Purpose. Development of scientific and applied foundations for the introduction, selection and use of plants of the species of the genus Physalis L. to ensure food security in Ukraine. Methods. Subject of study – plants of the genus Physalis. The study was conducted in 2014–2018. on the introduction plots of the department of cultural flora of the M. M. Hryshko National Botanical Garden, NAS of Ukraine (NBG). The work used general scientific and special methods: field, introduction, biological and morphological; laboratory (chemical, biochemical), statistical (methods of analysis of variance and statistical estimation of average data using Microsoft Excel (2010). Results. The features of ontomorphogenesis were established, the biological and morphological parameters of plants of the species of the genus Physalis L. were investigated under conditions of introduction in the Right-Bank Forest-Steppe Ukraine. It was found that the content of dry matter in plant fruits varied from 10 to 18.34%, sugars – from 39.34 to 67.97%, tannins – 1.57 to 3.35% and carotene – from 0.200 to 0.583%, ascorbic acid – from 123.91 to 284.95 mg/100 g, depending on the species, varietal and shape characteristics. Conclusions. It was found that the introduced plant species of the genus Physalis in conditions of culture have four age periods and 10 developmental states: seeds (se), sprouts (p), juvenile (j), immature (im), virginal (v), generative (g), subsenilny (ss) and senile (se). Ph. ixocarpa ‘Likhtaryk’ of the NBG selection was distinguished among the studied introduced species in terms of biological and morphological parameters and biochemical composition. The obtained data can be used for further research and determining the prospects for the introduction of these introduced species into a wide culture

Purpose. Development of scientific and applied foundations for the introduction, selection and use of plants of the species of the genus Physalis L. to ensure food security in Ukraine. Methods. Subject of study – plants of the genus Physalis. The study was conducted in 2014–2018. on the introduction plots of the department of cultural flora of the M. M. Hryshko National Botanical Garden, NAS of Ukraine (NBG). The work used general scientific and special methods: field, introduction, biological and morphological; laboratory (chemical, biochemical), statistical (methods of analysis of variance and statistical estimation of average data using Microsoft Excel (2010). Results. The features of ontomorphogenesis were established, the biological and morphological parameters of plants of the species of the genus Physalis L. were investigated under conditions of introduction in the Right-Bank Forest-Steppe Ukraine. It was found that the content of dry matter in plant fruits varied from 10 to 18.34%, sugars – from 39.34 to 67.97%, tannins – 1.57 to 3.35% and carotene – from 0.200 to 0.583%, ascorbic acid – from 123.91 to 284.95 mg/100 g, depending on the species, varietal and shape characteristics. Conclusions. It was found that the introduced plant species of the genus Physalis in conditions of culture have four age periods and 10 developmental states: seeds (se), sprouts (p), juvenile (j), immature (im), virginal (v), generative (g), subsenilny (ss) and senile (se). Ph. ixocarpa ‘Likhtaryk’ of the NBG selection was distinguished among the studied introduced species in terms of biological and morphological parameters and biochemical composition. The obtained data can be used for further research and determining the prospects for the introduction of these introduced species into a wide culture

Purpose. To determine the patterns of influence of gro­wing factors on the economically valuable characteristics of new soybean varieties. Methods. Field, biochemical methods, analysis of variance. Results. The rates of the influence of the growing zone, the conditions of the growing season of the year and the soybean variety on the yield, weight of 1000 seeds, the content of crude protein and oil, and protein and oil collection were determined. The greatest influence on the yield of the studied varieties had a growing zone – 55%. On average the maximum yield was obtained in Forest-steppe zone 2.48–3.58 t/ha, the lowest – in Steppe zone (1.33–1.89 t/ha) for 2017–2018. In the same period the weight of 1000 seeds on average was 125.1–169.9 g in the Steppe zone, in Forest-Steppe zone it was 130.2–207.8 g and 143.9–188.0 g in Fo­rrest zone. According to the results of analysis of variance, it was determined that the growing zone has the greatest influence on weight of 1000 seeds – 31%, variety – 21% and conditions of the growing season of the year – 13%. The main characteristics of soybean quality are the content of crude protein and oil in seeds. The highest level of crude protein was observed in soybean variety in Forest-Steppe zone – 37.5–44.0%. In Forrest zone, the crude protein content was 34.4–41.7%, in the Steppe zone 35.4–40.1%. The maximum level of this characteristic was observed in variety ‘NS Diyana’ – 44.0% in Forest-Steppe zone, in Forrest zone – in the variety ‘Alexa’ 41.7%, in Steppe zone – in variety ‘NS Diyana’ 40.1%. Thus, the growing zone (31%) and variety (25%) had the greatest influence on the content of crude protein; the interaction of factors (variety and growing zone) affected 17%. The average oil content for 2017‑2018 ranges from 19.8 to 24.2%. High oil content was noted in ‘Adsoy’ variety in Forrest and Forest-Steppe zones, 24.2 and 22.6%, respectively, and ‘Azimut’ – 23.8% in Steppe zone. The results of the analysis of variance showed that the growing zone to a greater extent affected the oil content in soybean seeds by 25%, variety – 21%, and the interaction of factors of the variety and gro­wing zone by 21%. Conclusions. According to the results of multifactor analysis of variance, it was determined that the growing zone had the greatest influence on the studied parameters. It was found that the rate of the influence of gro­wing zone of soybean varieties is 25–55%, depending on the studied characteristic. It was determined that the influence of the variety was 4–25%, the conditions of the growing season affected by 1–26%.

Wheat is one of the main crops in China, and crop yield prediction is important for regional trade and national food security. There are increasing concerns with respect to how to integrate multi-source data and employ machine learning techniques to establish a simple, timely, and accurate crop yield prediction model at an administrative unit. Many previous studies were mainly focused on the whole crop growth period through expensive manual surveys, remote sensing, or climate data. However, the effect of selecting different time window on yield prediction was still unknown. Thus, we separated the whole growth period into four time windows and assessed their corresponding predictive ability by taking the major winter wheat production regions of China as an example in the study. Firstly we developed a modeling framework to integrate climate data, remote sensing data and soil data to predict winter wheat yield based on the Google Earth Engine (GEE) platform. The results show that the models can accurately predict yield 1~2 months before the harvesting dates at the county level in China with an R2 &gt: 0.75 and yield error less than 10%. Support vector machine (SVM), Gaussian process regression (GPR), and random forest (RF) represent the top three best methods for predicting yields among the eight typical machine learning models tested in this study. In addition, we also found that different agricultural zones and temporal training settings affect prediction accuracy. The three models perform better as more winter wheat growing season information becomes available. Our findings highlight a potentially powerful tool to predict yield using multiple-source data and machine learning in other regions and for crops.

Wheat (<i>Triticum aestivum</i> L.) is one of the main staple foods worldwide. Wide precise sowing (Wps) is a sowing method believed to produce the highest winter wheat grain yields; however, the reasons for its high yields and its effect on quality traits have not been effectively studied. Hence, a two-year field experiment was conducted to evaluate the effect of three sowing methods, dibbling (Db), drilling (Dr), and Wps and seed rates (112.5 kg ha⁻¹, 150 kg ha⁻¹, 187.5 kg ha⁻¹, and 225 kg ha⁻¹) on grain yield and the quality of winter wheat. Wps, Dr, and Db produced statistically similar results in terms of the grain yield and most of the quality traits measured. The grain yield increased significantly with the increasing rate, the highest being 7488.89 kg ha⁻¹ at a seed rate of 225 kg ha⁻¹. The total protein, albumin, and globulin were not affected by the sowing methods, but prolamin and glutelin were affected by the Dr and Wps, respectively. The total starch in both years, and the amylose and amylopectin in the first year, were affected only by the seed rates, with 60.11%, 23.2%, 38.63%, or higher values. The results indicated that for the wheat yield and quality traits, Wps, Dr and Db can mostly be used interchangeably. For the protein, starch, and grain yield, the suitable seed rates were 112.5 kg ha⁻¹, 150 kg ha⁻¹, and 225 kg ha⁻¹, respectively.

Purpose. To determine the growing factors impact the economically valuable characteristics of new soft winter wheat varieties.Methods. Field, biochemical methods, ANOVA.Results. The influence of the growing zone, the growing season conditions and the genotype of the soft winter wheat varieties on yield, protein and gluten content were determined. The conditions of the growing zone have the greatest influence on studied varieties yield – 73%. On average, for 2020–2021, the maximum yield was obtained in the Forest-Steppe zone – 6.23–8.39 t/ha. In the Forest zone, the yield of studied soft winter wheat varieties was 5.31–7.02 t/ha. For the Steppe zone, the yield was within 5.16–6.63 t/ha. It was determined that varieties which showed low yield in the Forrest zone were characterized by higher yield in the Steppe zone. It was found that the growing zone (49%) and growing season (42%) conditions have the greatest effect on the protein content in grain of studied varieties. It was determined that variety ‘MANDARIN’ was characterized by the highest protein content in all growing zones (14.5–16.4%). In the Steppe and Forest-Steppe zones, high protein content was identified in grain of wheat varieties ‘Tata Mata’ (13.6–14.3%), ‘Eneida’ (13.6–14.3%) and ‘Novator’ (14.2 and 13.2%), in the Forest zone – in grain of varieties ‘Vahoma’ and ‘Eneida’ – 13.4% each. It was found that the growing zone conditions impacted gluten content in grain of studied wheat varieties by 64%, the influence of the growing season conditions was 28%. The effect of variety genotype on protein and gluten content was 5 and 4%, respectively. The grain of soft winter wheat varieties ‘MANDARIN’ and ‘Eneida’ contained the largest amount of gluten in all growing zones (27.7–31.8% and 27.3–30.3%). For the Steppe and Forest-Steppe zones, a high gluten content was found in grains of varieties ‘Illusion’ (28.4 and 30.8%) and ‘Tata Mata’ (27.8 and 29.8%).Conclusions. It was found that growing zone conditions of soft winter wheat varieties (73%) and the interaction of factors zone × year (21%) impacted the yield significantly. The growing zone conditions (49 and 64%), growing season conditions (21 and 28%) and genotype of variety (5 and 4%, respectively) had a significant influence on protein and gluten content. Therefore, a significant influence of growing zone conditions on the productivity indicators of soft winter wheat determines the need to select varieties in order to obtain a high yield, taking into account the soil and climatic zone | Мета. Визначити вплив факторів вирощування на господарсько-цінні характеристики нових сортів пшениці м’якої озимої.Методи. Польовий, біохімічні методи аналізу та дисперсійний аналіз.Результати. Встановлено частки впливу умов зони вирощування, вегетаційного періоду року та генотипу на врожайність, вміст білка і клейковини в зерні сортів пшениці м’якої озимої. На врожайність досліджуваних сортів найбільше вплинули умови зони вирощування (73%). Так, у середньому за 2020–2021 рр. у зоні Лісостепу вона становила 6,23–8,39 т/га (максимальна); Полісся – 5,31–7,02; Степу – 5,16–6,63 т/га. Сорти, які в зоні Полісся показали низьку врожайність, у Степу характеризувалися вищою. Частка впливу умов зони вирощування на вміст білка в зерні досліджуваних сортів становила 49%; умов вегетаційного періоду року – 42%. Найбільший вміст білка у всіх зонах вирощування мав сорт ‘МАНДАРИН’ (14,5–16,4%). У Степу та Лісостепі найбільшу його кількість виявлено в зерні сортів ‘Тата Мата’ (13,6–14,3%), ‘Енеїда’ (13,6–14,3%) та ‘Новатор’ (14,2 і 13,2%), в Поліссі – у ‘Вагома’ та ‘Енеїда’ (по 13,4%). На вміст клейковини в зерні досліджуваних сортів умови зони вирощування впливали на 64%, вегетаційного періоду року – на 28%. Вплив генотипу на вміст білка і клейковини становив 5 і 4% відповідно. У всіх зонах вирощування найбільше клейковини містило зерно сортів ‘МАНДАРИН’ та ‘Енеїда’ (27,7–31,8 і 27,3–30,3%). У Степу та Лісостепі високий вміст клейковини мали сорти ‘Ілюзіон’ (28,4 та 30,8%) і ‘Тата Мата’ (27,8 та 29,8%).Висновки. Встановлено, що на врожайність сортів пшениці м’якої озимої суттєво впливали умови зони вирощування (73%) та взаємодія факторів зона × рік (21%). Частка впливу умов зони вирощування на вміст білка і клейковини становила 49 і 64% (суттєва), умов вегетаційного періоду року – 21 і 28%, а генотипу – 5 і 4% відповідно. Отже, для отримання високого врожаю пшениці м’якої озимої необхідно підбирати сорти, враховуючи істотний вплив умов ґрунтово-кліматичної зони вирощування на показники продуктивності.

Purpose. To determine the patterns of influence of gro­wing factors on the economically valuable characteristics of new soybean varieties.Methods. Field, biochemical methods, analysis of variance.Results. The rates of the influence of the growing zone, the conditions of the growing season of the year and the soybean variety on the yield, weight of 1000 seeds, the content of crude protein and oil, and protein and oil collection were determined. The greatest influence on the yield of the studied varieties had a growing zone – 55%. On average the maximum yield was obtained in Forest-steppe zone 2.48–3.58 t/ha, the lowest – in Steppe zone (1.33–1.89 t/ha) for 2017–2018. In the same period the weight of 1000 seeds on average was 125.1–169.9 g in the Steppe zone, in Forest-Steppe zone it was 130.2–207.8 g and 143.9–188.0 g in Fo­rrest zone. According to the results of analysis of variance, it was determined that the growing zone has the greatest influence on weight of 1000 seeds – 31%, variety – 21% and conditions of the growing season of the year – 13%. The main characteristics of soybean quality are the content of crude protein and oil in seeds. The highest level of crude protein was observed in soybean variety in Forest-Steppe zone – 37.5–44.0%. In Forrest zone, the crude protein content was 34.4–41.7%, in the Steppe zone 35.4–40.1%. The maximum level of this characteristic was observed in variety ‘NS Diyana’ – 44.0% in Forest-Steppe zone, in Forrest zone – in the variety ‘Alexa’ 41.7%, in Steppe zone – in variety ‘NS Diyana’ 40.1%. Thus, the growing zone (31%) and variety (25%) had the greatest influence on the content of crude protein; the interaction of factors (variety and growing zone) affected 17%. The average oil content for 2017‑2018 ranges from 19.8 to 24.2%. High oil content was noted in ‘Adsoy’ variety in Forrest and Forest-Steppe zones, 24.2 and 22.6%, respectively, and ‘Azimut’ – 23.8% in Steppe zone. The results of the analysis of variance showed that the growing zone to a greater extent affected the oil content in soybean seeds by 25%, variety – 21%, and the interaction of factors of the variety and gro­wing zone by 21%.Conclusions. According to the results of multifactor analysis of variance, it was determined that the growing zone had the greatest influence on the studied parameters. It was found that the rate of the influence of gro­wing zone of soybean varieties is 25–55%, depending on the studied characteristic. It was determined that the influence of the variety was 4–25%, the conditions of the growing season affected by 1–26%. | Цель. Установить закономерности влияния факторов выращивания на хозяйственно-ценные характеристики новых сортов сои.Методы. Полевой, биохимические методы анализа, дисперсионный анализ.Результаты. Определены доли влияния зоны выращивания, условий вегетационного периода года и сорта сои на урожайность, массу 1000 семян, содержание сырого протеина и масла, сбора белка и масла. Наибольшее влияние на показатель урожайности исследуемых сортов имела зона выращивания – 55%. В среднем за 2017–2018 гг. максимальная урожайность получена в зоне Лесостепи – 2,48–3,58 т/га, самая низкая – в зоне Степи 1,33–1,89 т/га. Значение показателя массы 1000 семян в среднем за 2017–2018 гг. составляют в зоне Степи – 125,1–169,9 г, в Лесостепи – 130,2–207,8 г и 143,9–188,0 г в зоне Полесья. По результатам дисперсионного анализа было определено, что на массу 1000 семян наибольшее влияние имела зона выращивания – 31%, меньшее влияние оказывал сорт – 21% и условия вегетационного периода года – 13%. Основные показатели качества сои культурной – содержание сырого протеина и масла в семенах. Наибольшие значения содержания сырого протеина отмечено в зоне Лесостепи – 37,5–44,0%. В зоне Полесья содержание сырого протеина составило 34,4–41,7%, в зоне Степи – 35,4–40,1%. Максимальные значения этого показателя были отмечены у сорта ‘НС Дияна’ – 44,0% в зоне Лесостепи, в зоне Полесья – у сорта ‘Алекса’ – 41,7%, в степной зоне ‘НС Дияна’ – 40,1%. Таким образом, наибольшее влияние на содержания сырого протеина имел фактор зоны выращивания (31%) и сорт (25%), взаимодействие факторов сорта и зоны выращивания влияло на 17%. Содержание масла в среднем за 2017–2018 гг. составляло от 19,8 до 24,2%. Высокое содержание масла было отмечено у сорта ‘Адсой’ в зоне Полесья и Лесостепи – 24,2 и 22,6%, соответственно, а также у сорта ‘Азимут’ – 23,8% в степной зоне. По результатам дисперсионного анализа было определено, что на показатель содержания масла в семенах сои больше всего влияли зона выращивания на 25%, сорт – 21%, и взаимодействие факторов сорта и зоны выращивания на 21%.Выводы. Наибольшее влияние на исследуемые показатели имела зона выращивания. Определено, что доля влияния зоны выращивания сортов сои составляет 25–55% в зависимости от исследуемого показателя. Определено, что доля влияния сорта составляла 4–25%, условия вегетационного периода года влияли на 1–26%. | Мета. Установити закономірності впливу факторів вирощування на господарсько-цінні характеристики нових сортів сої.Методи. Польовий, біохімічні методи аналізу, дисперсійний аналіз.Результати. Визначено частки впливу таких факторів як зона вирощування, умови вегетаційного періоду року та сорт сої на врожайність, масу 1000 насінин, уміст сирого протеїну та олії, збір білка та олії з гектара. Найбільше впливав на показник урожайності досліджуваних сортів фактор зони вирощування – його вплив складав 55%. У середньому за 2017–2018 рр. максимальну врожайність досліджуваних сортів отримано в зоні Лісостепу – 2,48–3,58 т/га, найменшу – в зоні Степу – 1,33–1,89 т/га. Значення показника маси 1000 насінин в середньому за 2017–2018 рр. становили для зони Степу – 125,1–169,9 г, Лісостепу – 130,2–207,8 г та 143,9–188,0 г – для зони Полісся. За допомогою дисперсійного аналізу було визначено, що на масу 1000 насінин найбільше впливала зона вирощування – 31%, менше значення мав фактор сорту – 21% та умови вегетаційного періоду року – 13%. Найбільші значення вмісту сирого протеїну в насінні сої відмічено у зоні Лісостепу – 37,5–44,0%. У зоні Полісся вміст сирого протеїну для досліджуваних сортів становив 34,4–41,7%, в зоні Степу – 35,4–40,1%. Максимальні значення цього показника було відмічено для сорту ‘НС Діяна’ – 44,0% в зоні Лісостепу, в зоні Полісся –  для ‘Алєкса’ – 41,7%, в степовій зоні – для сорту ‘НС Діяна’ – 40,1%. Таким чином, найбільший вплив на вміст сирого протеїну мав фактор зони вирощування (31%) та сорту (25%), взаємодія факторів «сорт» та «зона вирощування» впливала на 17%. Вміст олії для досліджуваних сортів сої в середньому за 2017–2018 рр. становив від 19,8 до 24,2% в трьох зонах вирощування. Найвищий вміст олії було відмічено у насінні сорту ‘Адсой’ в зоні Полісся та Лісостепу – 24,2 та 22,6%, відповідно, а також у сорту ‘Азимут’ – 23,8% в степовій зоні. Використання дисперсійного аналізу дозволило встановити, що на вміст олії в насінні сої найбільше впливали фактор зони вирощування – його вплив становив 25%, вклад фактору належності до певного сорту – 21%, взаємодія факторів «сорт» та «зона вирощування» впливала на 21%.Висновки. Найбільший вплив на досліджувані показники чинив фактор зони вирощування. Визначено, що частка впливу фактора зони вирощування сортів сої на показники врожайності, маси 1000 насінин, умісту сирого протеїну та олії, збору білка та олії з гектара становила 25–55%. Визначено, що частка впливу фактору сорту становила 4–25%, умови вегетаційного періоду року впливали на 1–26%.

Wheat is one of the most important staple foods in temperate regions and is in increasing demand in urbanizing and industrializing countries such as China. Enhancing yield potential to meet the population explosion around the world and maintaining grain quality in wheat plants under climate change are crucial for food security and human nutrition. Global warming resulting from greenhouse effect has led to more frequent occurrence of extreme climatic events. Elevated atmospheric CO₂ concentration (eCO₂) along with rising temperature has a huge impact on ecosystems, agriculture and human health. There are numerous studies investigating the eCO₂ and heatwaves effects on wheat growth and productivity, and the mechanisms behind. This review outlines the state-of-the-art knowledge regarding the effects of eCO₂ and heat stress, individually and combined, on grain yield and grain quality in wheat crop. Strategies to enhance the resilience of wheat to future warmer and CO₂-enriched environment are discussed.

Purpose. To determine the patterns of influence of gro­wing factors on the economically valuable characteristics of new soybean varieties. Methods. Field, biochemical methods, analysis of variance. Results. The rates of the influence of the growing zone, the conditions of the growing season of the year and the soybean variety on the yield, weight of 1000 seeds, the content of crude protein and oil, and protein and oil collection were determined. The greatest influence on the yield of the studied varieties had a growing zone – 55%. On average the maximum yield was obtained in Forest-steppe zone 2.48–3.58 t/ha, the lowest – in Steppe zone (1.33–1.89 t/ha) for 2017–2018. In the same period the weight of 1000 seeds on average was 125.1–169.9 g in the Steppe zone, in Forest-Steppe zone it was 130.2–207.8 g and 143.9–188.0 g in Fo­rrest zone. According to the results of analysis of variance, it was determined that the growing zone has the greatest influence on weight of 1000 seeds – 31%, variety – 21% and conditions of the growing season of the year – 13%. The main characteristics of soybean quality are the content of crude protein and oil in seeds. The highest level of crude protein was observed in soybean variety in Forest-Steppe zone – 37.5–44.0%. In Forrest zone, the crude protein content was 34.4–41.7%, in the Steppe zone 35.4–40.1%. The maximum level of this characteristic was observed in variety ‘NS Diyana’ – 44.0% in Forest-Steppe zone, in Forrest zone – in the variety ‘Alexa’ 41.7%, in Steppe zone – in variety ‘NS Diyana’ 40.1%. Thus, the growing zone (31%) and variety (25%) had the greatest influence on the content of crude protein; the interaction of factors (variety and growing zone) affected 17%. The average oil content for 2017‑2018 ranges from 19.8 to 24.2%. High oil content was noted in ‘Adsoy’ variety in Forrest and Forest-Steppe zones, 24.2 and 22.6%, respectively, and ‘Azimut’ – 23.8% in Steppe zone. The results of the analysis of variance showed that the growing zone to a greater extent affected the oil content in soybean seeds by 25%, variety – 21%, and the interaction of factors of the variety and gro­wing zone by 21%. Conclusions. According to the results of multifactor analysis of variance, it was determined that the growing zone had the greatest influence on the studied parameters. It was found that the rate of the influence of gro­wing zone of soybean varieties is 25–55%, depending on the studied characteristic. It was determined that the influence of the variety was 4–25%, the conditions of the growing season affected by 1–26%.

Мета. Визначити вплив факторів вирощування на господарсько-цінні характеристики нових сортів пшениці м’якої озимої. Методи. Польовий, біохімічні методи аналізу та дисперсійний аналіз. Результати. Встановлено частки впливу умов зони вирощування, вегетаційного періоду року та генотипу на врожайність, вміст білка і клейковини в зерні сортів пшениці м’якої озимої. На врожайність досліджуваних сортів найбільше вплинули умови зони вирощування (73%). Так, у середньому за 2020–2021 рр. у зоні Лісостепу вона становила 6,23–8,39 т/га (максимальна); Полісся – 5,31–7,02; Степу – 5,16–6,63 т/га. Сорти, які в зоні Полісся показали низьку врожайність, у Степу характеризувалися вищою. Частка впливу умов зони вирощування на вміст білка в зерні досліджуваних сортів становила 49%; умов вегетаційного періоду року – 42%. Найбільший вміст білка у всіх зонах вирощування мав сорт ‘МАНДАРИН’ (14,5–16,4%). У Степу та Лісостепі найбільшу його кількість виявлено в зерні сортів ‘Тата Мата’ (13,6–14,3%), ‘Енеїда’ (13,6–14,3%) та ‘Новатор’ (14,2 і 13,2%), в Поліссі – у ‘Вагома’ та ‘Енеїда’ (по 13,4%). На вміст клейковини в зерні досліджуваних сортів умови зони вирощування впливали на 64%, вегетаційного періоду року – на 28%. Вплив генотипу на вміст білка і клейковини становив 5 і 4% відповідно. У всіх зонах вирощування найбільше клейковини містило зерно сортів ‘МАНДАРИН’ та ‘Енеїда’ (27,7–31,8 і 27,3–30,3%). У Степу та Лісостепі високий вміст клейковини мали сорти ‘Ілюзіон’ (28,4 та 30,8%) і ‘Тата Мата’ (27,8 та 29,8%). Висновки. Встановлено, що на врожайність сортів пшениці м’якої озимої суттєво впливали умови зони вирощування (73%) та взаємодія факторів зона × рік (21%). Частка впливу умов зони вирощування на вміст білка і клейковини становила 49 і 64% (суттєва), умов вегетаційного періоду року – 21 і 28%, а генотипу – 5 і 4% відповідно. Отже, для отримання високого врожаю пшениці м’якої озимої необхідно підбирати сорти, враховуючи істотний вплив умов ґрунтово-кліматичної зони вирощування на показники продуктивності.

Wheat is one of the most important staple foods in temperate regions and is in increasing demand in urbanizing and industrializing countries such as China. Enhancing yield potential to meet the population explosion around the world and maintaining grain quality in wheat plants under climate change are crucial for food security and human nutrition. Global warming resulting from greenhouse effect has led to more frequent occurrence of extreme climatic events. Elevated atmospheric CO₂ concentration (eCO₂) along with rising temperature has a huge impact on ecosystems, agriculture and human health. There are numerous studies investigating the eCO₂ and heatwaves effects on wheat growth and productivity, and the mechanisms behind. This review outlines the state-of-the-art knowledge regarding the effects of eCO₂ and heat stress, individually and combined, on grain yield and grain quality in wheat crop. Strategies to enhance the resilience of wheat to future warmer and CO₂-enriched environment are discussed.

Durum wheat (Triticum turgidum L. subsp. durum) is one of the major crops in the Mediterranean basin, where water stress often occurs during grain filling which represents a critical stage for the synthesis and accumulation of storage proteins (gliadins and glutenins). The aim of the study is to evaluate, by two-dimensional gel electrophoresis (2DE SDS-PAGE), the storage proteins composition of two durum wheat cultivars (Ciccio and Svevo) cultivated in a growth chamber under two different water regimes (control and water deficit). At milk stage and physiological maturity, gluten proteins have been extracted and separated by 2DE SDS-PAGE. The analysis of the gels was performed by the software ImageMaster 2D Platinum (Amersham). The results showed differences in protein expression within the different gel regions between water regimes and cultivars; under water deficit the rate of protein accumulation was faster for all the protein regions, either at milk and physiological stage. Protein accumulation within high molecular weight (H) region resulted faster in Ciccio than in Svevo mainly in the control treatment. In the low molecular weight region between 48 and 35 kDa (L 48-35), the cultivar Ciccio showed a higher protein expression than Svevo. Furthermore under water deficit a marked increase in H region volume and a decrease in the L 48-35 region was observed only for Svevo; instead in Ciccio no change was observed showing this cultivar a greater stability on changing water regime. Further studies by the use of mass spectrometry are necessary to identify specific peptides relative to drought stress during grain filling as well as to investigate the relationships with technological quality.

Purpose. To study the effect of weather conditions on grain quality in soft spring wheat lines that are undergoing competitive variety trial. To identify indices to be least affected by weather conditions. To investigate the correlation dependence between grain quality indices in the years with contrasting weather conditions and conduct the analysis of variance. Methods. Parameters of grain and flour quality of bread spring wheat lines were determined using conventional methods at the laboratory of grain quality of V. M. Remeslo Myronivka Institute of Wheat, NAAS of Ukraine, protein content in flour was measured with the use of the SPECTRAN 119M device. Results. Contrasting weather conditions were considered including arid ones (2013) – that had negative effect on 1000 kernel weight, but at the same time positively influenced the averaged grain quality indices; with excess humidity (2014) – they resulted in decreasing of all technological indices; optimal ones (2015) – allowed to obtain maximum indices of grain and flour quality. Paired coefficients of correlation between different para­meters of grain and flour quality were calculated. The most number of strong and medium correlations was found in a dry year (33.3%), the smallest one – in a wet year (13.0%). Such indices as flour strength, dough dilution and protein content depended on the conditions of the growing year least of all. Grain-unit response was the most considerable to the humid conditions of the year. The analysis of variance showed that climatic conditions had significant effect on the quality indices of grain and flour. At the same time, an important genotypic component was revealed in indices of dough resilience (63%), bread volume and rating (61 and 53% respectively), the flour strength (42%), crude gluten quality (33%), bread porosity (30%). With climate variations, the genotypic conditionality of the content of protein and especially crude gluten was expressed insignificantly. Conclusions. When creating high quality cultivars, plant breeders should be guided by such indices as flour strength, dough resilience, gluten quality, bread volume and rating as only they are more genetically determined

Purpose. To study the effect of weather conditions on grain quality in soft spring wheat lines that are undergoing competitive variety trial. To identify indices to be least affected by weather conditions. To investigate the correlation dependence between grain quality indices in the years with contrasting weather conditions and conduct the analysis of variance. Methods. Parameters of grain and flour quality of bread spring wheat lines were determined using conventional methods at the laboratory of grain quality of V. M. Remeslo Myronivka Institute of Wheat, NAAS of Ukraine, protein content in flour was measured with the use of the SPECTRAN 119M device. Results. Contrasting weather conditions were considered including arid ones (2013) – that had negative effect on 1000 kernel weight, but at the same time positively influenced the averaged grain quality indices; with excess humidity (2014) – they resulted in decreasing of all technological indices; optimal ones (2015) – allowed to obtain maximum indices of grain and flour quality. Paired coefficients of correlation between different para­meters of grain and flour quality were calculated. The most number of strong and medium correlations was found in a dry year (33.3%), the smallest one – in a wet year (13.0%). Such indices as flour strength, dough dilution and protein content depended on the conditions of the growing year least of all. Grain-unit response was the most considerable to the humid conditions of the year. The analysis of variance showed that climatic conditions had significant effect on the quality indices of grain and flour. At the same time, an important genotypic component was revealed in indices of dough resilience (63%), bread volume and rating (61 and 53% respectively), the flour strength (42%), crude gluten quality (33%), bread porosity (30%). With climate variations, the genotypic conditionality of the content of protein and especially crude gluten was expressed insignificantly. Conclusions. When creating high quality cultivars, plant breeders should be guided by such indices as flour strength, dough resilience, gluten quality, bread volume and rating as only they are more genetically determined

Purpose. Determine the ecological plasticity and productivity of F1 sunflower hybrids created on the basis of maternal and parental lines, selected according to an accelerated selection system of lines resistant to herbicides (imidazoline and sulfonylurea groups) and broomrape (Orobanche cumana Wallr.). Methods. Statistical analysis of F1 sunflower hybrids was carried out using the methods of variation statistics, regression and analysis of variance using the Microsoft Office Excel 2016 application package. Molecular biological, biotechnological and classical selection methods were used for the accelerated system of line selection. Thus, for the purpose of targeted selection of sunflower sterility fixers, we used HRG01 molecular SCAR marker to identify the gene for the restoration of pollen fertility (Rf1). To accelerate the creation of parental lines resistant to tribenuron-methyl, we used a culture of immature embryos in vitro. Results. The results of testing of F1 sunflower hybrids at Kyiv, Chernihiv, Cherkasy (Uman and Shpolianskyi districts), Khmelnytskyi, Kharkiv, Kherson and Odesa regions. The hybrids were created on the basis of selected lines, chosen according to an accelerated selection system for herbicide-resistant lines (imidazoline (IMI-hybrids) and sulfonylurea (SU-hybrids) groups) and broomrape (Orobanche cumana Wall). The standards for comparison with hybrids were: for IMI hybrids – hybrids ‘NK Neoma’ (Syngenta) and ‘ES Genesis’ (Euralis), and for SU-hybrids – ‘SY Sumiko’ (Syngenta) and ‘P64LE25’ (Pioneer). As a result, it was found that among SU-hybrids, UA 2/106 had a 3.9% higher yield when compared to the standards (‘SY Sumiko’ and ‘P64LE25’). And for IMI-hybrids it was found that hybrids UA 1/67, UA 1/66, UA 1/84 have the same yield of 2.76 t/ha as the ‘NK Neoma’ standard. IMI hybrids UA 1/92, UA 1/102 have the same yield of 2.91 t/ha as ‘ES Genesis’. Conclusions. F1 hybrids were created on the basis of the original breeding material selected due to the accelerated system of sunflower lines selection. The hybrids were analyzed according to the yield indicator. The most productive among the tested SU-hybrids was UA 2/106 hybrid, among the IMI hybrids – UA 1/67, UA 1/66, UA 1/84, UA 1/92 and UA 1/102.

Purpose. Determine the ecological plasticity and productivity of F1 sunflower hybrids created on the basis of maternal and parental lines, selected according to an accelerated selection system of lines resistant to herbicides (imidazoline and sulfonylurea groups) and broomrape (Orobanche cumana Wallr.). Methods. Statistical analysis of F1 sunflower hybrids was carried out using the methods of variation statistics, regression and analysis of variance using the Microsoft Office Excel 2016 application package. Molecular biological, biotechnological and classical selection methods were used for the accelerated system of line selection. Thus, for the purpose of targeted selection of sunflower sterility fixers, we used HRG01 molecular SCAR marker to identify the gene for the restoration of pollen fertility (Rf1). To accelerate the creation of parental lines resistant to tribenuron-methyl, we used a culture of immature embryos in vitro. Results. The results of testing of F1 sunflower hybrids at Kyiv, Chernihiv, Cherkasy (Uman and Shpolianskyi districts), Khmelnytskyi, Kharkiv, Kherson and Odesa regions. The hybrids were created on the basis of selected lines, chosen according to an accelerated selection system for herbicide-resistant lines (imidazoline (IMI-hybrids) and sulfonylurea (SU-hybrids) groups) and broomrape (Orobanche cumana Wall). The standards for comparison with hybrids were: for IMI hybrids – hybrids ‘NK Neoma’ (Syngenta) and ‘ES Genesis’ (Euralis), and for SU-hybrids – ‘SY Sumiko’ (Syngenta) and ‘P64LE25’ (Pioneer). As a result, it was found that among SU-hybrids, UA 2/106 had a 3.9% higher yield when compared to the standards (‘SY Sumiko’ and ‘P64LE25’). And for IMI-hybrids it was found that hybrids UA 1/67, UA 1/66, UA 1/84 have the same yield of 2.76 t/ha as the ‘NK Neoma’ standard. IMI hybrids UA 1/92, UA 1/102 have the same yield of 2.91 t/ha as ‘ES Genesis’. Conclusions. F1 hybrids were created on the basis of the original breeding material selected due to the accelerated system of sunflower lines selection. The hybrids were analyzed according to the yield indicator. The most productive among the tested SU-hybrids was UA 2/106 hybrid, among the IMI hybrids – UA 1/67, UA 1/66, UA 1/84, UA 1/92 and UA 1/102.

Purpose. To reveal breeding and genetic peculiarities of modern spring barley varieties for the “number of grains per main ear” trait and identify genetic sources of increased combining ability for involving in hybridization. Methods. Investigations were carried out at the V. M. Remeslo Myronivka Institute of Wheat of NAAS of Ukraine. Modern varieties of domestic (‘Virazh’, ‘Talisman Myronivskyi’, ‘Komandor’) and foreign (‘KWS Aliciana’, ‘KWS Bambina’, ‘Zhana’, ‘Explorer’) breeding were involved in crossing for a full (7´7) diallel scheme. Parents and F1 were studied in field conditions during 2014–2016. Results. The analysis of variance of combining ability has shown a significant advantage in varying of general combining ability (GCA) effects. The mean square of specific combining ability (SCA) was significantly less than the GCA, but reliable throughout the years. The reciprocal effect was reliable only in 2014. Stably high effects of GCA during all years of investigations were noted in the varieties ‘KWS Aliciana’ (1.18–1.62) and ‘Virazh’ (1.33–1.48). The variety ‘KWS Bambina’ was characterized by lower but reliable positive effects of GCA (0.43–0.99) as compared to mentioned above. Non-allelic gene interaction was not found, that allowed to calculate the basic parameters of genetic variation. During all years of investigations, dominant effects of genes (H1 and H2) prevailed over the additive (D) ones in phenotypic expression of grain number per main ear. Mean degree of dominance in the experiment (H1/D) has shown overdominance. The same pattern was also distinctive for the index of mean degree of dominance in the loci . The dominance was reliably directed. Dominant effects of genes increased grain content, and recessive ones reduced it. At least 3–4 genes (groups of genes) have been revealed which determined the effects of dominance. At the same time, recessive genes (F<0) or gene effects were prevailed quantitatively in the varieties investigated. A high coefficient of heritability in broad sense (H2 = 0.98) has shown a significant determination of phenotypic variability with genetic factors. The coefficient of heritability in narrow sense (h2 = 0.66–0.68) confirmed that despite the advantage of dominant effects over the additive ones, the contribution of the latter was also significant. Conclusions. The prevalence of dominant effects of genes in the phenotypic expression of the number of grains per main ear causes the need for sufficient sample size of hybrid material and points to the expediency of conducting a more “rigid” selection for phenotype in later generations. At the same time, the considerable contribution of additive effects and high values of heritability indices give reason to predict the efficiency of selections aimed at increasing the trait in created hybrid material. The varieties ‘Virazh’, ‘KWS Aliciana’, ‘KWS Bambina’ should be used as effective genetic sources to increase grain content in combination breeding.

Purpose. To reveal breeding and genetic peculiarities of modern spring barley varieties for the “number of grains per main ear” trait and identify genetic sources of increased combining ability for involving in hybridization. Methods. Investigations were carried out at the V. M. Remeslo Myronivka Institute of Wheat of NAAS of Ukraine. Modern varieties of domestic (‘Virazh’, ‘Talisman Myronivskyi’, ‘Komandor’) and foreign (‘KWS Aliciana’, ‘KWS Bambina’, ‘Zhana’, ‘Explorer’) breeding were involved in crossing for a full (7´7) diallel scheme. Parents and F1 were studied in field conditions during 2014–2016. Results. The analysis of variance of combining ability has shown a significant advantage in varying of general combining ability (GCA) effects. The mean square of specific combining ability (SCA) was significantly less than the GCA, but reliable throughout the years. The reciprocal effect was reliable only in 2014. Stably high effects of GCA during all years of investigations were noted in the varieties ‘KWS Aliciana’ (1.18–1.62) and ‘Virazh’ (1.33–1.48). The variety ‘KWS Bambina’ was characterized by lower but reliable positive effects of GCA (0.43–0.99) as compared to mentioned above. Non-allelic gene interaction was not found, that allowed to calculate the basic parameters of genetic variation. During all years of investigations, dominant effects of genes (H1 and H2) prevailed over the additive (D) ones in phenotypic expression of grain number per main ear. Mean degree of dominance in the experiment (H1/D) has shown overdominance. The same pattern was also distinctive for the index of mean degree of dominance in the loci . The dominance was reliably directed. Dominant effects of genes increased grain content, and recessive ones reduced it. At least 3–4 genes (groups of genes) have been revealed which determined the effects of dominance. At the same time, recessive genes (F<0) or gene effects were prevailed quantitatively in the varieties investigated. A high coefficient of heritability in broad sense (H2 = 0.98) has shown a significant determination of phenotypic variability with genetic factors. The coefficient of heritability in narrow sense (h2 = 0.66–0.68) confirmed that despite the advantage of dominant effects over the additive ones, the contribution of the latter was also significant. Conclusions. The prevalence of dominant effects of genes in the phenotypic expression of the number of grains per main ear causes the need for sufficient sample size of hybrid material and points to the expediency of conducting a more “rigid” selection for phenotype in later generations. At the same time, the considerable contribution of additive effects and high values of heritability indices give reason to predict the efficiency of selections aimed at increasing the trait in created hybrid material. The varieties ‘Virazh’, ‘KWS Aliciana’, ‘KWS Bambina’ should be used as effective genetic sources to increase grain content in combination breeding.

Purpose. To establish correlation dependence of influence of such factors as seeding rate, sowing time and seeding methods on yield indicators, as well as individual response of winter wheat varieties to them in case of the ecological system of seed production, that would allow to form elements of intensive varietal technology and obtain the genetically determined productivity potential of the variety in the future. Methods. Weight measuring was used to determine seed yield; the reliability of the experiment results was identified by statistical evaluation, analysis of variance and regression procedure. Results. During the period of investigation, the weather conditions differed significantly both for the temperature regime and the amount of precipitation, but the stability of grain and seed yield over years was the main requirement to varieties, that allowed to study the intergenotypic correlation relationships of crop yield indices and the dynamics of their changes under the effect of ecological factors. In the course of investigation, winter wheat yield indices were fixed annually from 684 plots, which were grouped and analyzed for factors of influence in order to ensure the complete certainty. Conclusions. Variants of investigation were defined for the certified seed yield and environmental factors (sowing time and seeding method, seeding rate), that had strong positive correlation relationships. Seeding rate and seeding method had the greatest impact on 1000 kernel weight. For tille­ring coefficient, varieties depending on the variant of the investigation had a negative close correlation relationship, which was greatly affected by seeding rate. For correlation relationships, winter wheat varieties ‘Bohdana’ and ‘Slavna’ appeared to be the most stable, ‘Chorniava’ and ‘Astarta’ were the most plastic.

Purpose. To establish correlation dependence of influence of such factors as seeding rate, sowing time and seeding methods on yield indicators, as well as individual response of winter wheat varieties to them in case of the ecological system of seed production, that would allow to form elements of intensive varietal technology and obtain the genetically determined productivity potential of the variety in the future. Methods. Weight measuring was used to determine seed yield; the reliability of the experiment results was identified by statistical evaluation, analysis of variance and regression procedure. Results. During the period of investigation, the weather conditions differed significantly both for the temperature regime and the amount of precipitation, but the stability of grain and seed yield over years was the main requirement to varieties, that allowed to study the intergenotypic correlation relationships of crop yield indices and the dynamics of their changes under the effect of ecological factors. In the course of investigation, winter wheat yield indices were fixed annually from 684 plots, which were grouped and analyzed for factors of influence in order to ensure the complete certainty. Conclusions. Variants of investigation were defined for the certified seed yield and environmental factors (sowing time and seeding method, seeding rate), that had strong positive correlation relationships. Seeding rate and seeding method had the greatest impact on 1000 kernel weight. For tille­ring coefficient, varieties depending on the variant of the investigation had a negative close correlation relationship, which was greatly affected by seeding rate. For correlation relationships, winter wheat varieties ‘Bohdana’ and ‘Slavna’ appeared to be the most stable, ‘Chorniava’ and ‘Astarta’ were the most plastic.

Purpose. Providing a scientific rationale for the practical application of analysis of variance elements to determine the range of morphological and value for cultivation and use (VCU) characteristics of Romaine lettuce ‘Skarb’ variety. Results. The Romaine lettuce ‘Skarb’ variety was identified by the type of display of quantitative (QN) identification characteristics. VCU characteristics of the var. longifolia L. varieties were determined and statistically processed. The author focused on practical application of histogram and variation curve of phenotype morphological characteristics when performing the uniformity test. The correlation between quantitative characteristics of lettuce leaf and head was observed when plant productivity was developing. Romaine lettuce yield value was verified statistically. Thresholds were established for the indices under study, confidence intervals were defined over the years of study. Conclusions. The use of Lewis stability factor (S.F. = Xmax/Xmin) allowed to establish the stability of each characteristic display. Practical application of the histogram and variation curve for determining code of display of quantitative morphological characters and the range of VCU characteristics of the Romaine lettuce ‘Skarb’ variety was scientifically grounded.

Purpose. Providing a scientific rationale for the practical application of analysis of variance elements to determine the range of morphological and value for cultivation and use (VCU) characteristics of Romaine lettuce ‘Skarb’ variety. Results. The Romaine lettuce ‘Skarb’ variety was identified by the type of display of quantitative (QN) identification characteristics. VCU characteristics of the var. longifolia L. varieties were determined and statistically processed. The author focused on practical application of histogram and variation curve of phenotype morphological characteristics when performing the uniformity test. The correlation between quantitative characteristics of lettuce leaf and head was observed when plant productivity was developing. Romaine lettuce yield value was verified statistically. Thresholds were established for the indices under study, confidence intervals were defined over the years of study. Conclusions. The use of Lewis stability factor (S.F. = Xmax/Xmin) allowed to establish the stability of each characteristic display. Practical application of the histogram and variation curve for determining code of display of quantitative morphological characters and the range of VCU characteristics of the Romaine lettuce ‘Skarb’ variety was scientifically grounded.

Purpose. Jute mallow (Corchorus olitorius L.) is a mucilaginous vegetable and fiber crop cultivated in the tropics, where catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) are common weeds. Hence, the study investigated the growth, yield, and nutrient level of jute mallow in weed-free, catnip, and Mexican sunflower environments. Methods. The study involved two screen-house experiments in a Completely Randomized Design (CRD) with six replications. The treatments were 0 (control), 2, 4, 6, 8, and 10 weed plants per pot in both experiments. These are 0, 100, 200, 300, 400, and 500 weed count per square meter equivalent, based on the surface area of the pots used. Mexican sunflower and catnip plants interacted with jute plants in the first and second experiments, respectively. Growth parameters of jute mallow were recorded weekly from 5 to 8 weeks after sowing (WAS), and harvesting was done at 8 WAS. The proximate composition of jute was evaluated using standard procedures outlined by AOAC. The data collected were subjected to analysis of variance (ANOVA), and means were separated using Duncan Multiple Range Test (DMRT) at P < 0.05. Results. Catnip and Mexican sunflower negatively impacted the morphological features of jute mallow from 100 plants per square meter upwards. Catnip and Mexican sunflower, at 300 and 100–500 plants per square meter, respectively, reduced the dry weight of jute mallow. The crude protein content of jute mallow was also lessened by Mexican sunflower at some point. Conclusions. The study recommends that the density of catnip and Mexican sunflower plants interacting with jute mallow should be maintained below 100 plants per square meter to prevent yield loss.

Purpose. Jute mallow (Corchorus olitorius L.) is a mucilaginous vegetable and fiber crop cultivated in the tropics, where catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) are common weeds. Hence, the study investigated the growth, yield, and nutrient level of jute mallow in weed-free, catnip, and Mexican sunflower environments.Methods. The study involved two screen-house experiments in a Completely Randomized Design (CRD) with six replications. The treatments were 0 (control), 2, 4, 6, 8, and 10 weed plants per pot in both experiments. These are 0, 100, 200, 300, 400, and 500 weed count per square meter equivalent, based on the surface area of the pots used. Mexican sunflower and catnip plants interacted with jute plants in the first and second experiments, respectively. Growth parameters of jute mallow were recorded weekly from 5 to 8 weeks after sowing (WAS), and harvesting was done at 8 WAS. The proximate composition of jute was evaluated using standard procedures outlined by AOAC. The data collected were subjected to analysis of variance (ANOVA), and means were separated using Duncan Multiple Range Test (DMRT) at P < 0.05.Results. Catnip and Mexican sunflower negatively impacted the morphological features of jute mallow from 100 plants per square meter upwards. Catnip and Mexican sunflower, at 300 and 100?500 plants per square meter, respectively, reduced the dry weight of jute mallow. The crude protein content of jute mallow was also lessened by Mexican sunflower at some point.Conclusions. The study recommends that the density of catnip and Mexican sunflower plants interacting with jute mallow should be maintained below 100 plants per square meter to prevent yield loss. | ????. ???? ???????????? (Corchorus olitorius L) ? ?? ??????? ? ??????? ????????, ??? ????????? ? ????????. ?????????? ?????????, ?? ?????????? ???? ??????, ? ?????? ????? ???????? (Nepeta cataria L.) ? ????????????? ???????? (Tithonia diversifolia?L). ? ?????? ??????????? ??????? ????, ??????????? ? ????? ?????? ??????????? ? ???????? ????? ????????????? ?? ????? ??????????? ??????? ????? ?????????? ? ?????????????? ????????? ?? ? ??????????, ???????? ??? ????????.??????. ??????????? ???????? ??? ???????????? ???????????? ?? ???????? ?????????????? ?????? ? ????? ???????????. ????? ??????? ? ????????????? ???? ?????: 0 (????????), 2, 4, 6, 8 ? 10 ???????? ?? ??????? ??? ???????????. ? ??????????? ????? ???????? ???????????? ????????, ???? ????????? ??????????? 0, 100, 200, 300, 400 ? 500 ???????? ?? 1??2. ????????? ????? ????? ????????????? ??????????? ??????? ? 5 ?? 8 ????? ????? ?????, ? ?????? ??????? ????? 8 ??????. ????? ?????? ?????? ? ???????? ????? ????????? ? ????????????? ??????????? ????????, ?????????? ?????????? ????????? ????????????????????? ???????. ???????? ?????????? ???? ????????? ?? ????????????? ??????? ????????????? ??????? (ANOVA).??????????. ?????? ????? ???????? ? ?????????????? ???????? ?? ????????? ??? 100 ?????? ?? ???????????? ???? ??????? ????????? ???????? ?? ???????????? ???????????????? ????? ?????????????. ?? ???????, ?? ??????????? 100?500 ?????? ?? ?????????? ????, ??????????? ????? ????????? ????? ???? ????? ?????????????. ?? ????????????, ????????????? ???????? ???? ????? ??????????? ????????? ?????? ?????? ???????? ? ????? ?????????????.????????. ??? ??????????? ????? ?????? ?????????????? ???????????? ??????????? ?????? ??????? ????? ??????????? ?? ?????????????? ????????? ? ??????? ????? ??????????????? ?????? ??? 100 ??./?2.

Purpose. Jute mallow (Corchorus olitorius L.) is a mucilaginous vegetable and fiber crop cultivated in the tropics, where catnip (Nepeta cataria L.) and Mexican sunflower (Tithonia diversifolia L.) are common weeds. Hence, the study investigated the growth, yield, and nutrient level of jute mallow in weed-free, catnip, and Mexican sunflower environments. Methods. The study involved two screen-house experiments in a Completely Randomized Design (CRD) with six replications. The treatments were 0 (control), 2, 4, 6, 8, and 10 weed plants per pot in both experiments. These are 0, 100, 200, 300, 400, and 500 weed count per square meter equivalent, based on the surface area of the pots used. Mexican sunflower and catnip plants interacted with jute plants in the first and second experiments, respectively. Growth parameters of jute mallow were recorded weekly from 5 to 8 weeks after sowing (WAS), and harvesting was done at 8 WAS. The proximate composition of jute was evaluated using standard procedures outlined by AOAC. The data collected were subjected to analysis of variance (ANOVA), and means were separated using Duncan Multiple Range Test (DMRT) at P < 0.05. Results. Catnip and Mexican sunflower negatively impacted the morphological features of jute mallow from 100 plants per square meter upwards. Catnip and Mexican sunflower, at 300 and 100–500 plants per square meter, respectively, reduced the dry weight of jute mallow. The crude protein content of jute mallow was also lessened by Mexican sunflower at some point. Conclusions. The study recommends that the density of catnip and Mexican sunflower plants interacting with jute mallow should be maintained below 100 plants per square meter to prevent yield loss.

Purpose. Analysis of the allelic state of Ppd-1 genes, which control sensitivity to photoperiod, in varieties and lines of bread winter wheat, and comparison of the results obtained with field observations on the duration of periods before heading and flowering, whose originators were the Nosivska Breeding and Research Station of the V. M. Remeslo Myronivka Institute of Wheat National Academy of Agrarian Sciences of Ukraine and Poltava State Agrarian Academy of the Ministry of Education and Science of Ukraine. Methods. The following methods were used in the work: DNA extraction, allele-specific PCR, agarose and polyacrylamide gel electrophoresis, analysis of variance. Results. It was revealed that ‘Yuvivata 60’ variety has a recessive Ppd-1 genotype and belongs to the III haplotype by a combination of mutations in the structure of Ppd-D1 gene. Line ‘L41/95’ was heterogeneous by alleles of Ppd-D1 gene, which corresponded to the presence of haplotypes III and VII. All other tested cultivars and lines were characterized by alleles Ppd-A1b, Ppd-B1b and Ppd-D1a, and assigned to haplotype VII. According to the results of statistical data processing, the duration of the period from May, 1 to heading was the smallest for the variety ‘Donskaya polukarlikovaya’ in the conditions of both the Forest-Steppe and Polissia-Forest-Steppe regions of Ukraine, the longest – in the varieties ‘Yuvivata 60’, ‘Myronivska 61’ and ‘L41/95’. The differences between these groups were significant and amounted to 10 days. Conclusions. A breeding material with a high adaptive ability for growing conditions in Polissia-Forest-Steppe zone was studied by the allelic state of the Ppd-1 genes. A low level of polymorphism in the studied varieties and lines was revealed by the alleles of Ppd-1 genes [12.5% – Ppd-D1b (²²²), 12.5% – Ppd-D1à/b (²²²/VII), 75% – Ppd-D1a (VII)], that agrees with the hypothesis that breeders gave a greater preference for the photoperiod-insensitive wheat genotype under Ukrainian conditions. The genotypes with the dominant Ppd-D1a (VII) gene almost completely dominate in the south of Ukraine. At the same time, in northern latitudes, weather conditions negate the advantages of the genotypes with Ppd-D1a gene

Purpose. Analysis of the allelic state of Ppd-1 genes, which control sensitivity to photoperiod, in varieties and lines of bread winter wheat, and comparison of the results obtained with field observations on the duration of periods before heading and flowering, whose originators were the Nosivska Breeding and Research Station of the V. M. Remeslo Myronivka Institute of Wheat National Academy of Agrarian Sciences of Ukraine and Poltava State Agrarian Academy of the Ministry of Education and Science of Ukraine.Methods. The following methods were used in the work: DNA extraction, allele-specific PCR, agarose and polyacrylamide gel electrophoresis, analysis of variance.Results. It was revealed that ‘Yuvivata 60’ variety has a recessive Ppd-1 genotype and belongs to the III haplotype by a combination of mutations in the structure of Ppd-D1 gene. Line ‘L41/95’ was heterogeneous by alleles of Ppd-D1 gene, which corresponded to the presence of haplotypes III and VII. All other tested cultivars and lines were characterized by alleles Ppd-A1b, Ppd-B1b and Ppd-D1a, and assigned to haplotype VII. According to the results of statistical data processing, the duration of the period from May, 1 to heading was the smallest for the variety ‘Donskaya polukarlikovaya’ in the conditions of both the Forest-Steppe and Polissia-Forest-Steppe regions of Ukraine, the longest – in the varieties ‘Yuvivata 60’, ‘Myronivska 61’ and ‘L41/95’. The differences between these groups were significant and amounted to 10 days.Conclusions. A breeding material with a high adaptive ability for growing conditions in Polissia-Forest-Steppe zone was studied by the allelic state of the Ppd-1 genes. A low level of polymorphism in the studied varieties and lines was revealed by the alleles of Ppd-1 genes [12.5% – Ppd-D1b (²²²), 12.5% – Ppd-D1à/b (²²²/VII), 75% – Ppd-D1a (VII)], that agrees with the hypothesis that breeders gave a greater preference for the photoperiod-insensitive wheat genotype under Ukrainian conditions. The genotypes with the dominant Ppd-D1a (VII) gene almost completely dominate in the south of Ukraine. At the same time, in northern latitudes, weather conditions negate the advantages of the genotypes with Ppd-D1a gene | Мета. Визначення алельного стану генів Ppd-1, що контролюють чутливість до фотоперіоду, у сортів та ліній пшениці м’якої озимої Носівської селекційно-дослідної станції Миронівського інституту пшениці ім. В. М. Ремесла НААН (НСДС МІП) і Полтавської державної аграрної академії МОН України (ПДАА), та зіставлення отриманих результатів молекулярно-генетичного аналізу з даними польових спостережень щодо строків колосіння та цвітіння.Методи. Виділення ДНК, алель-специфічна ПЛР, електрофорез фрагментів ампліфікації в агарозних та полі­акриаламідних гелях, дисперсійний аналіз.Результати. Визначено, що сорт ‘Ювівата 60’ має рецесивний генотип Ppd-1 та належить до ІІІ гаплотипу за комбінацією мутацій у структурі Ppd-D1 гена. Лінія ‘Л41/95’ виявилася гетерогенною за алелями гена Ppd-D1, що відповідало наявності гаплотипів III і VII. Усі інші досліджені зразки характеризувалися алелями Ppd-A1b, Ppd-B1b та Ppd-D1а та належали до гаплотипу VII. За результатами статистичної обробки даних тривалість періоду від першого травня до колосіння була найменшою в сорту ‘Донская полукарликовая’ в умовах як Лісостепу, так і Полісся–Лісостепу Ук­раїни, найбільшою – у сортів ‘Ювівата 60’, ‘Миронівська 61’ та лінії ‘Л41/95’. Відмінності між зазначеними групами були достовірними й становили приблизно 10 діб.Висновки. За алельним станом генів Ppd-1 досліджено селекційний матеріал з високою адаптивною здатністю для умов вирощування в перехідній зоні Полісся–Лісостеп. За алелями генів Ppd-1 досліджені сорти та лінії виявили невисокий рівень поліморфізму [12,5% – Ppd-D1b (ІІІ), 12,5% – Ppd-D1а/b (ІІІ/VII), 75% – Ppd-D1a (VII)], що узгоджується з гіпо­тезою надання селекціонерами більшої переваги слабкочутливим до фотоперіоду генотипам пшениці в умовах України. Генотипи з домінантним алелем Ppd-D1a (VII) в умовах Півдня України практично повністю домінують. Водночас у північніших широтах погодні умови нівелюють переваги, що мають генотипи з Ppd-D1a.

Purpose. Analysis of the allelic state of Ppd-1 genes, which control sensitivity to photoperiod, in varieties and lines of bread winter wheat, and comparison of the results obtained with field observations on the duration of periods before heading and flowering, whose originators were the Nosivska Breeding and Research Station of the V. M. Remeslo Myronivka Institute of Wheat National Academy of Agrarian Sciences of Ukraine and Poltava State Agrarian Academy of the Ministry of Education and Science of Ukraine. Methods. The following methods were used in the work: DNA extraction, allele-specific PCR, agarose and polyacrylamide gel electrophoresis, analysis of variance. Results. It was revealed that ‘Yuvivata 60’ variety has a recessive Ppd-1 genotype and belongs to the III haplotype by a combination of mutations in the structure of Ppd-D1 gene. Line ‘L41/95’ was heterogeneous by alleles of Ppd-D1 gene, which corresponded to the presence of haplotypes III and VII. All other tested cultivars and lines were characterized by alleles Ppd-A1b, Ppd-B1b and Ppd-D1a, and assigned to haplotype VII. According to the results of statistical data processing, the duration of the period from May, 1 to heading was the smallest for the variety ‘Donskaya polukarlikovaya’ in the conditions of both the Forest-Steppe and Polissia-Forest-Steppe regions of Ukraine, the longest – in the varieties ‘Yuvivata 60’, ‘Myronivska 61’ and ‘L41/95’. The differences between these groups were significant and amounted to 10 days. Conclusions. A breeding material with a high adaptive ability for growing conditions in Polissia-Forest-Steppe zone was studied by the allelic state of the Ppd-1 genes. A low level of polymorphism in the studied varieties and lines was revealed by the alleles of Ppd-1 genes [12.5% – Ppd-D1b (²²²), 12.5% – Ppd-D1à/b (²²²/VII), 75% – Ppd-D1a (VII)], that agrees with the hypothesis that breeders gave a greater preference for the photoperiod-insensitive wheat genotype under Ukrainian conditions. The genotypes with the dominant Ppd-D1a (VII) gene almost completely dominate in the south of Ukraine. At the same time, in northern latitudes, weather conditions negate the advantages of the genotypes with Ppd-D1a gene

Purpose. To determine the effect of the basic organo-mineral fertilizer on the formation and stability of grain quality of winter wheat varieties in multiple crop rotation after black fallow as a predecessor. Methods. Field experiments were based on a multifactorial scheme using split-plot method with due regard to all requirements of the field experiment procedure, analysis of variance was used for statistical processing of the obtained results. Results. Investigation data was given concerning determination of grain quality indices in winter wheat varieties of diffe­rent ecotypes after black fallow as a predecessor depending on organo-mineral fertilizer application in the Left-Bank Forest-Steppe zone of Ukraine. In average for the period of investigation (2011–2015), the highest protein content in winter wheat grains was formed in no treatment variant [in such varieties as ‘Doridna’ (14.1%), ‘Dykanka’ (14.3%) and ‘Levada’ (14.2%)] and in case of organo-mineral fertilizer application [in the varieties ‘Hordovyta’ (14.0%), ‘Kalyta’ (14.0%), ‘Dykanka’ (14.7%) and ‘Levada’ (14.6%)]. The highest content of crude gluten in grains, without regard for the variant of the experiment, was found in the following varieties as ‘Dykanka’ (24.9–25.1%) and ‘Levada’ (23.7–25.4%). Conclusions. It was established that the content of protein and crude gluten in grains as well as the falling number of winter wheat was highly dependent on such factors as the variety and the year of cultivation as compared to the fertilizer background. The following varieties as ‘Hordovyta’, ‘Mulan’, Dykanka’ and ‘Levada’ were very sensitive to the application of organo-mineral fertilizer for the protein content, while ‘Hordovyta’ (2.4%), ‘Levada’ (1.7%), ‘Borvii’ (1.2%) and ‘Mulan’ (1.1%) – for the crude gluten content.

Purpose. To determine the effect of the basic organo-mineral fertilizer on the formation and stability of grain quality of winter wheat varieties in multiple crop rotation after black fallow as a predecessor. Methods. Field experiments were based on a multifactorial scheme using split-plot method with due regard to all requirements of the field experiment procedure, analysis of variance was used for statistical processing of the obtained results. Results. Investigation data was given concerning determination of grain quality indices in winter wheat varieties of diffe­rent ecotypes after black fallow as a predecessor depending on organo-mineral fertilizer application in the Left-Bank Forest-Steppe zone of Ukraine. In average for the period of investigation (2011–2015), the highest protein content in winter wheat grains was formed in no treatment variant [in such varieties as ‘Doridna’ (14.1%), ‘Dykanka’ (14.3%) and ‘Levada’ (14.2%)] and in case of organo-mineral fertilizer application [in the varieties ‘Hordovyta’ (14.0%), ‘Kalyta’ (14.0%), ‘Dykanka’ (14.7%) and ‘Levada’ (14.6%)]. The highest content of crude gluten in grains, without regard for the variant of the experiment, was found in the following varieties as ‘Dykanka’ (24.9–25.1%) and ‘Levada’ (23.7–25.4%). Conclusions. It was established that the content of protein and crude gluten in grains as well as the falling number of winter wheat was highly dependent on such factors as the variety and the year of cultivation as compared to the fertilizer background. The following varieties as ‘Hordovyta’, ‘Mulan’, Dykanka’ and ‘Levada’ were very sensitive to the application of organo-mineral fertilizer for the protein content, while ‘Hordovyta’ (2.4%), ‘Levada’ (1.7%), ‘Borvii’ (1.2%) and ‘Mulan’ (1.1%) – for the crude gluten content.