Рurpose. Determining the influence of the varietal features on seed productivity of China Aster when growing under conditions of Forest-Steppe zone of Ukraine. Methods. Field study during 2011–2013 on experimental field of Institute of Horticulture of the National Academy of Agriculture Sciences. Results. It was experimentally determined the influence of varietal features on seed productivity for various sort-types of China Aster. Based on morphological description, the growth and development of this plant was shown as well as dependence of generative organs on quantitative parameters of ve­getative ones, and their impact on the productivity of various variety types either of the Institute of Horticulture or other scientific institutions breeding. Structure of flowers for various sort-types was illustrated. The most productive varieties were identified among those that are included in the State Register of plant varieties suitable for dissemination in Ukraine which have formed the average of 3 g of seeds or more per plant during the years of study. Conclusions. Edaphoclimatic conditions of the Forest-Steppe zone of Ukraine are favorable for seed-producing industry of China Aster. Its productivity considerabl­y depends on a variety and sort-type to which it belongs.

Рurpose. Determining the influence of the varietal features on seed productivity of China Aster when growing under conditions of Forest-Steppe zone of Ukraine. Methods. Field study during 2011–2013 on experimental field of Institute of Horticulture of the National Academy of Agriculture Sciences. Results. It was experimentally determined the influence of varietal features on seed productivity for various sort-types of China Aster. Based on morphological description, the growth and development of this plant was shown as well as dependence of generative organs on quantitative parameters of ve­getative ones, and their impact on the productivity of various variety types either of the Institute of Horticulture or other scientific institutions breeding. Structure of flowers for various sort-types was illustrated. The most productive varieties were identified among those that are included in the State Register of plant varieties suitable for dissemination in Ukraine which have formed the average of 3 g of seeds or more per plant during the years of study. Conclusions. Edaphoclimatic conditions of the Forest-Steppe zone of Ukraine are favorable for seed-producing industry of China Aster. Its productivity considerabl­y depends on a variety and sort-type to which it belongs.

The main reasons hindering expansion of assortment of horticultural crops and negatively affecting the provision of Ukraine’s population with horticultural production were discussed. The trend towards global unification of genotypes with parallel reduction of potential to andropoadaptability of chief horticultural crops is recognized as one of the main causes for instability in domestic horticulture crops production. Appropriate measures are proposed, including intensification of zonal specialization and intensification of the state protectionism over both domestic fruit farming and research developments, first of all in breeding and genetics, aimed at the ability to meet various requirements of producers, processors and consumers of fruits and berries to new cultivars.

Мета. Установити господарсько-економічну доцільність вирощування підщеп волоського горіха. Методи. Сіянці волоського горіха, перспективні як підщепи в Україні, досліджували в розсадниках ФОП Затоковий В. Ю. (с. Слобода Комарівці, Сторожинецький р-н, Чернівецька обл.) упродовж 2018–2020 рр. Господарсько-економічну ефективність вирощування підщеп культури визначали за Методикою економічної та енергетичної оцінки типів плодоягідних насаджень, помологічних сортів і результатів технологічних досліджень у садівництві (2002). Результати. Для визначення економічної ефективності вирощування сіянців аналізували технологічну карту вирощування сіянців волоського горіха. Найбільша частка в структурі затрат припадала на оплату праці – 86,7%. Причиною цього було використання ручної праці, яка становила 96,5% від загальних затрат на технологію вирощування сіянців. Частка рівня механізації вирощування не перевищувала 3,5%. Загальні витрати пального на 1 га становили 120,7 л, або 2957,20 грн у грошо­вому еквіваленті. Таким чином, затрати на паливо займали незначну частку – 0,4% в собівартості одного сіянця. Один гектар площі забезпечував вихід 65 тис. шт. сіянців волоського горіха, що становило 1625 тис. грн за умови вартості їх реалізації 25 грн/шт. Матеріальні витрати при цьому становили 46,16 тис. грн/га (загальні витрати – 712,43 тис. грн). Тому показник собівартості був гранично низьким, а рівень рентабельності – гранично високим. Висновки. Вирощування сіянців волоського горіха сортів ‘Слава України’, ‘Пам’яті Затокового’, ‘Лисичанський’ є економічно доцільним. Це зумовлено досить низькою собівартістю одного сіянця (10,82 грн) та високою рентабельність виробництва вихідного селекційного матеріалу для щеплення та закладання промислових насаджень культури.

Purpose. Improvement of a range of strawberry varie­ties based on comprehensive study and introduction of new Ukrainian and West European cultivars. Methods. Cultivars and elite forms were studied using the methods of primary variety studying and state variety testing at three-year strawberry plantations of the Institute of Horticulture of the National Academy of Sciences of Ukraine (the city of Kyiv) and its variety testing stations. Results. It was found that more frequent spring and summer droughts as well as black frosts in winter adversely affected the strawberry productivity. The best varieties were selected among new ones for the complex of traits, they included ‘Elegance’ from the Great Britain, ‘Gercules’ from Ukraine (both are dessert grapes), ‘Elsanta’ from Holland (for universal use), ‘Alba’ from Italia (as raw material). The highly adaptive and productive ‘Istochnik’ and ‘Festyvalna romashka’ varieties (as raw material) are recommended for the north regions. Conclusions. In the context of profound climatic change, high-profitable cultivation of mid-ripening varieties and a strawberry as such in the Northern Forest-Steppe zone is expedient under controlled conditions – in high film tunnels, in hot-houses and under perennial irrigation that already has become the European tendency.

Purpose. Improvement of a range of strawberry varie­ties based on comprehensive study and introduction of new Ukrainian and West European cultivars. Methods. Cultivars and elite forms were studied using the methods of primary variety studying and state variety testing at three-year strawberry plantations of the Institute of Horticulture of the National Academy of Sciences of Ukraine (the city of Kyiv) and its variety testing stations. Results. It was found that more frequent spring and summer droughts as well as black frosts in winter adversely affected the strawberry productivity. The best varieties were selected among new ones for the complex of traits, they included ‘Elegance’ from the Great Britain, ‘Gercules’ from Ukraine (both are dessert grapes), ‘Elsanta’ from Holland (for universal use), ‘Alba’ from Italia (as raw material). The highly adaptive and productive ‘Istochnik’ and ‘Festyvalna romashka’ varieties (as raw material) are recommended for the north regions. Conclusions. In the context of profound climatic change, high-profitable cultivation of mid-ripening varieties and a strawberry as such in the Northern Forest-Steppe zone is expedient under controlled conditions – in high film tunnels, in hot-houses and under perennial irrigation that already has become the European tendency.

New results of the clonal selection of apple tree (Malus domestica Borkh) conducted at Podillya Research Station of Horticultural Institute NAAS by method of state variety testing have been presented. By the results of the 6-year studying (2007 - 2012) of 20 new Jonagold clones of domestic selection their estimation was carried out according to the complex of such qualities as productivity, early ripening, marketability, taste qualities and durability of fruits. The following clones are defined to be the best: DP-16, DP-17, DP-18, DP-20. They start fruiting in the age of 2 or 3 years, productivity of the 5- or 6-year-old trees reaches 8,3–25,5 tons per hectare, quantity of the fruits of the highest and first grade is about 57–76% (in 2010–2012). Fruits of the mentioned clones are bigger than medium size (DP-16), big (DP-17, DP-18) and very big (DP-20); they have average similarity, excellent and very harmonious sour-sweet taste (8,3–8,7 points). Fruits of the best clones kept their quality for 202 – 220 days.

New results of the clonal selection of apple tree (Malus domestica Borkh) conducted at Podillya Research Station of Horticultural Institute NAAS by method of state variety testing have been presented. By the results of the 6-year studying (2007 - 2012) of 20 new Jonagold clones of domestic selection their estimation was carried out according to the complex of such qualities as productivity, early ripening, marketability, taste qualities and durability of fruits. The following clones are defined to be the best: DP-16, DP-17, DP-18, DP-20. They start fruiting in the age of 2 or 3 years, productivity of the 5- or 6-year-old trees reaches 8,3–25,5 tons per hectare, quantity of the fruits of the highest and first grade is about 57–76% (in 2010–2012). Fruits of the mentioned clones are bigger than medium size (DP-16), big (DP-17, DP-18) and very big (DP-20); they have average similarity, excellent and very harmonious sour-sweet taste (8,3–8,7 points). Fruits of the best clones kept their quality for 202 – 220 days.

In the article the authors show outcome of three years observation of blackcurrant varieties bred by Study Horticulture Department NULES of Ukraine for their suitabi­ lity to machine harvesting. Blackcurrant is the most common berry crop in Ukraine. When establishing intensive industrial plantations the varieties suitable for machine harvesting should be used. During 2006-2008 limited and unlimited traits of varieties bred by NULES of Ukraine suitability to combine harvesting were studied. All parameters of the examined varieties were compared against the requirements of the «ideal variety”. Simultaneous ripening of berries was observed in varieties Dochka Vorskly – 93,6%, Hovtva, Pamyaty Leonida Myhalevskoho – 92,6%. The pick off effort required to collect berries out of their clusters for all varieties but Yarynka was within acceptable range of 67...129 g. By effort applied for berries crush only Yarynka has failed to meet the necessary requirements. All the varie­ ties but Yarynka have been found suitable by growth habit of their bush (upright and semi-spread). Insufficient number fruits (6-7 pc.) in clusters for varieties Narodna and Yarynka was noted. Berries weight for all studied varieties ranged within 1.27-1.84 g, their drop-off was 3-8%, duration of harvesting period ranged from 8 to 10 days, so all the parameters of varieties suggested they were suitable for picking berries by berry harvesters. Varieties Dochka Vorskly, Universitetska, Hovtva, Pamyatna, Premiera, Narodna, Leleka and Pamyaty Leonida Myhalevskoho were selected as suitable for combine harvesting by the complex of positive parameters.

In the article the authors show outcome of three years observation of blackcurrant varieties bred by Study Horticulture Department NULES of Ukraine for their suitabi­ lity to machine harvesting. Blackcurrant is the most common berry crop in Ukraine. When establishing intensive industrial plantations the varieties suitable for machine harvesting should be used. During 2006-2008 limited and unlimited traits of varieties bred by NULES of Ukraine suitability to combine harvesting were studied. All parameters of the examined varieties were compared against the requirements of the «ideal variety”. Simultaneous ripening of berries was observed in varieties Dochka Vorskly – 93,6%, Hovtva, Pamyaty Leonida Myhalevskoho – 92,6%. The pick off effort required to collect berries out of their clusters for all varieties but Yarynka was within acceptable range of 67...129 g. By effort applied for berries crush only Yarynka has failed to meet the necessary requirements. All the varie­ ties but Yarynka have been found suitable by growth habit of their bush (upright and semi-spread). Insufficient number fruits (6-7 pc.) in clusters for varieties Narodna and Yarynka was noted. Berries weight for all studied varieties ranged within 1.27-1.84 g, their drop-off was 3-8%, duration of harvesting period ranged from 8 to 10 days, so all the parameters of varieties suggested they were suitable for picking berries by berry harvesters. Varieties Dochka Vorskly, Universitetska, Hovtva, Pamyatna, Premiera, Narodna, Leleka and Pamyaty Leonida Myhalevskoho were selected as suitable for combine harvesting by the complex of positive parameters.

The article highlights the state of breeding and variety studying for Callistephus chinensis in Ukraine and, in particular, in the Horticulture Institute of NAA, and offers the summary of studying the growth and development aspects for Callistephus, various varieties productivity level, their response to specific set of weather and climatic conditions. The research objectives and methods for their achieving are disclosed, as well the requirements a variety shall comply with, namely: reaching homozygote state, distinctness and ornamentality, fusariose and weather conditions resistance. 11 descriptions for new varieties of annual aster (Anastasia, Angelina, Litnia Nich, Lybid, Oksamyt, Samanta, Sofia, Snizhana, Flamingo , Shokoladka, Tsarivna) as bred by the Horticulture Institute of NAAS were provided, namely by identification and economic and biologic characteristics, these varieties are listed in the State Register of Plant Varieties Suitable for Dissemination in Ukraine.

Abstract In this study, the taxonomic diversity of the Xylodon raduloides species complex (Hymenochaetales, Basidiomycota) is examined. Specimens were studied using an integrative taxonomic approach that includes molecular phylogenetic and morphological analyses, and environmental niche comparisons. Four different species were found inside the Xylodon raduloides complex, with a biogeographic distribution pattern bound by geographic regions: Europe, North America, Patagonia, and Australia–New Zealand. Molecular, morphological, and environmental evidences delimit two lineages within this complex: a Northern Hemisphere clade with longer basidiospores and wider ranges in temperature and precipitation tolerance, and a Southern Hemisphere clade with smaller and more spherical basidiospores, and an isothermal and more humid climate preference. The integrative taxonomic approach used in this study demonstrates congruence between data sets and shows how morphological and environmental characteristics contribute to the differentiation of fungal species complexes. By combining various sources of taxonomic information, three new species are described: Xylodon laurentianus, X. novozelandicus, and X. patagonicus.

The study results for many years (1972- 2006) of pear gene pool in the All- Russian Research Institute of Horticultural Breeding are given. The cultivars and selections have been singled out for wide dissemination and use in breeding.

The study results for many years (1972- 2006) of pear gene pool in the All- Russian Research Institute of Horticultural Breeding are given. The cultivars and selections have been singled out for wide dissemination and use in breeding.