Relevance. Presently, for the organic Cole crop cultivation are usually used early-ripe sorts and hybrids of Russian originator firms. There is a problem with middle and lateripe sorts and hybrids, which do not satisfy with the requirements of biological ripeness and weight of cabbage, presenting by customers. That is why hybrid Snezhinka F1 of VNIISSOK selection is of practical interest; in 2008 yr. it was shown that it is perspective to use it in the conveyer after early-ripe sorts in organic cultivation.Materials and methods. The research has done on hybrid Snezhinka F1 with comparison of hybrid Cuisor F1 (originator Syngenta seeds B.V.). The technology was maximal close to the technology of organic cultivation. The tests provided by triple repetition. The accounts and data processing were carried out by standard methods.Results. As a result, after researches of middle-ripe cabbage hybrid Snezhinka F1 was found that it satisfies the requirements of customers. Firstly, the cabbage does not contain any pesticides. Secondly, the formation of its biochemical composition proceeds without mineral fertilizers, by using the natural soil fertility. Thirdly, and it is very important by these biometric values, the cabbage reaches the phase of biological ripe at the same level or even above the popular hybrid Cuisor F1.

Relevance. The interest of vegetable producers in small-fruited tomato hybrids has been increasing in recent years. This is due to the high commercial qualities of fruits that do not crack, contain 3 times more sugars than large-fruited tomatoes, and their range of use for canning and salads has also been expanded.Goal: to identify effective options for the use of biologically active substances in conditions of extended turnover of winter greenhouses on tomato plantings F1 Sherami.Methods. Research was aimed at studying the effect of biologically active substances – sodium selenate at a concentration of 10-5, natural coniferous concentrate (2 mg/l), EpinExtra (0.2 mg/l) and their double and triple combinations on the productivity of cherry tomatoes F1 Sherami. The treatment of plants was carried out 4 times during the growing season – after picking, when planting seedlings in a permanent place, when pouring the first brush and during the mass harvest.Results. As a result of research, it was found that the use of the above drugs increases the productivity of tomato plants of the Sherami hybrid. The maximum yield according to the results of 2018 and 2019 was obtained on the variant using sodium Selenate + KHN + Epin-extra and averaged 288.1 t/ha. Also, the use of BAS had an effect on the content of dry matter, sugars and macronutrients.Conclusion. The effect of preparations of biologically active substances positively affected the growth and development of plants. The variation of the yield increase compared to the control ranged from 5.2 to 17.2 t/ha. The maximum yield of the Sherami hybrid tomato was obtained on the variant using sodium Selenate + KHN + Epin-extra, the increase was 19 t/ha, which made it possible to obtain an appropriate income level of more than 272 thousand rubles/ha.

Relevance. The induction of gynogenic development of the culture of unpollinated ovules of Cucumis sativus L., as a part of solid nutrient media agar-agar or Phytagel™ are used as a gelling agent. The gelling agent determines the mobilization of substances in the composition of the nutrient medium and has various effects on the explants, which affects the quality of the resulting regenerates. However, there are no scientific works that explaines the effect of these gelling agents on the development of ovules and compare them with each other for C. sativus L. The aim: investigate the effect of various gelling agent in the nutrient medium on the induction of gynogenesis and the development of cucumber unpollinated ovules.Materials and methods. There are two promising collection specimens of cucumber №58 and №831 of the laboratory of cucurbits crop breeding and seed production of FSBSI FSVC were included into research. IMC nutrient medium (Induction Medium for Cucurbitaceae) with 30 g/l sucrose, 200 mg/l ampicillin, 0.2 mg/l thidiazuron (TDZ) was used for the induction of gynogenesis; agar-agar at a concentration of 7 g/l or Phytagel™ at a concentration of 3.5 g/l was used as a gel-forming agents. Ovules were isolated from ovaries in the phase of half-opened flower (FL-1) and fully opened flower (FL). Cultivation was carried out in plastic Petri dishes with a diameter of 60 mm with an air gap of 28.8 cm3 – "KS No. 1", and glass culture jars with an air gap of 140 cm3 – "KS No. 2".Results. On containing Phytagel™ or agar-agar nutrient medium, the area of ovules during 30 days of cultivation increases irregularly. Coefficients of ovule enlargement between gelling agents differed from 1.7 to 2.6 times depending on the cultivation time. The average growth rate of ovules on media with Phytagel™ was 0.08 mm2/day, while on media with agar-agar it was 0.02 mm2/day. Gelling agents type and cucumber phenotype are significant factors affecting the increase in area of entered into unpollinated cucumber ovules culture. Herewith the share of the gelling agent effect was 55.01%, and the share of genotype effect was 14.53%. The effect of flower development stage or culture vessel type has not found for both of genotypes. In the study, it was possible to achieve the induction of gynogenesis in 67% of the unpollinated ovules genotype №831 on nutrient medium with agar-agar.Conclusion. Ovules development were faster on a nutrient medium using Phytagel™ as a gelling agent than on agaragar. At the same time, the percentage of induced ovules was significally higher on nutrient medium with agar-agar for both phenotypes. Gelling agents type and cucumber phenotype were found as significant factors of the induction and the development of unpollinated ovules.

The article describes the life and creative path of the famous scientist, a prominent specialist in the field of ecology, breeding and seed production of vegetable crops, аcademician of the Russian Academy of Sciences, Honored Scientist of the Russian Federation, laureate of the State Prize and the Prizes of the Government of the Russian Federation Viktor Fedorovich Pivovarov.

Relevance. Study of pesticide residues is an integral part of registration tests. It is present a particular interest in terms of hygienic safety of eating vegetable crops grown with use of protective agents.Methods. The analysis procedure includes an approach developed by the authors, based on microwave digestion of samples after cryo-destruction, followed by analysis by atomic absorption spectrometry with electrothermal atomisation. The approaches used in research, allow us to trace the dynamics of copper content in fruits of potatoes, tomatoes, cucumbers and onions, during the vegetation periods of 2020-2021 in different soil and climatic zones.Results. It is shown that treatment with copper-containing preparations does not affect the content of copper in fruits of the studied crops during the whole experiment, except for the day of sampling immediately after the treatment. At the same time, reliable excesses in comparison with control samples are observed in experiments, where the aboveground part of crops is investigated. For example, the content of copper in tomato fruits in 2020, taken on the day of the last treatment, was 0.61±0.16 mg/kg and 0.47±0.08 mg/kg in the experimental and control samples, respectively. In 2021, the trend continued and copper concentration on the day of treatment was 0.80±0.15 mg/kg and 0.64±0.12 mg/kg respectively in the experimental and control samples. In the study of onion treated with copper oxychloride-based preparation, the concentration of copper in the whole plant (leaves + bulb) on the day of treatment in 2020 was 8.5±1.1 mg/kg in the experimental sample and 0.43±0.18 mg/kg in the control sample. In 2021, the copper concentration in the experimental sample collected on the treatment day was 14.1±3.8 mg/kg and in the control sample was 1.1±0.2 mg/kg respectively.

Precision farming technologies can help mitigate the environmental impact of agriculture by reducing the use of fertilizers and irrigation while reducing costs. Vegetable precision farming technology uses geographic positioning system (GPS), geographic information system (GIS), artificial intelligence (IoT), robotics, sensor technology, data-based genome editing, etc. to improve the production and quality of vegetables. Digital genome sequencing, developed over the past decade, has greatly reduced the cost and time required to map the DNA of plants and other organisms. Digital genome sequencing methods generate vast amounts of genome sequence data, which in turn aid in plant breeding for specific field conditions or desired traits. This maintains excellent prospects for growing vegetables in the current farming scenario, when climate change is forcing a rethink of all agricultural practices. This article provides useful information about precision farming technologies for vegetable growers, enthusiasts, farmers and researchers. Economic factors are important drivers and barriers to technology adoption. The practical significance of new technologies provided through communication and education has additional potential in terms of their promotion.

Relevance. Potato starch is widely used in the food, textile, perfume and pharmaceutical industries. The starch content and the size of starch granules in potato tubers are varietal characteristics (Solanum tuberosum L.). The knowledge of morphological properties of starch plays a key role in the technologies for the production of consumer and industrial goods.Materials and methods. The studies were carried out in 2020-2021 at the experimental base of Federal State Budget Scientific Institution “Federal Scientific Center of Agricultural Bio-technology of the Far East named after A.K. Chaiki” (Primorsky Krai). The object of the research were 11 varieties of different maturity dates. Morphological structure of starch granules was evaluated by image analysis on Countess II FL automated cell counter.Results. The varieties studied had predominantly rounded and oval pellets regardless of maturity and genetic origin. Differences in starch granule size depending on tuber size and ripeness group were noted. Early maturing varieties had granule size less than 20 microns regardless of tuber fraction. The exception is the variety Queen Anne, in small tubers of this variety starch granules larger than 20 microns is 67.86%. It was noted that the proportion of medium and large grains increased in varieties with a longer growing season. For example, the variety Augustin medium-ripening had a proportion of medium and large grains in the large and small tuber of 47.72 and 41.48%, respectively. The maximum number of grains larger than 20 microns was observed in the mid-late varieties Kazachok (63.77%) and Smak (92.22%).Conclusion. The method using a cell counter and subsequent processing of microphotographs of starch granules is an accessible, economical, simple and effective approach to phenotyping potato varieties and hybrids of Solanum tuberosum L. by physical and chemical parameters of starch. This method can be used for accelerated analysis of a large number of samples on a limited amount of natural material, including in field and farm laboratories.

Relevance. Onion is a valuable food crop, which is due to its chemical composition, taste and medicinal qualities. As part of the strategy to ensure food security and independence of Russia in the agricultural sector, it is necessary to increase the production of vegetable products, including onions, and for this it is necessary to increase the production of domestic seeds. Seed production is an important branch of agriculture, which consists in the planned reproduction of zoned varieties. Unlike commodity production, it is a more labor-intensive industry and requires regular improvement of existing technologies that take into account the specifics of new varieties and hybrids.Materials and methods. The object is onion (Allium сера L.). Research material: new varieties of spring onion Primo and Ampex of selection of FSBSI FSVC. The studies were conducted in 2018-2020 on the basis of the North Caucasus branch of the FSBSI FSVC. Laboratory and field experiments were carried out according to generally accepted methods. The area of the accounting plot is 5m2 , the repetition is 4-fold, with a randomized arrangement of options.Results and discussions. Different planting dates of uterine bulbs, their diameter, standing density, planting depth, significantly affected the qualitative and quantitative indicators of seed productivity of onion plants of Primo and Ampex varieties. The results obtained made it possible to modify and optimize individual elements of varietal technologies of onion seed production. To create the best conditions for the growth and development of seed plants of Ampex and Primo varieties and to obtain high yields of high-quality seeds in the conditions of the foothill zone of the North Caucasus, it is recommended to: use queen bulbs of 8 cm in size, organize the planting of queen bulbs in the first decade of November, use a scheme for planting queen onions: 75x10 cm, use a planting depth of 15 cm. With this technology, the productivity of plant seeds reaches 6-8 g in the Ampex variety and 5-7 g in the Primo variety, and the yield of conditioned seeds is 520-580 kg/ha and 450-600 kg/ha, respectively.

At present, much attention is paid to medicinal plants, the raw material of which is used for the production of drugs with antibacterial activity. Such plants include Macleaea x kevensis Turill. Due to the fact that this crop does not grow under natural conditions in the Russian Federation, there is a question of creating industrial plantations of Macleau x kevensis Turill. To solve this problem, it is necessary to determine a promising way of propagation of the plant and develop a balanced use of mineral fertilizers in order to obtain maximum yields of high quality medicinal raw materials. The research was carried out on the experimental fields of medicinal crop rotation of the North Caucasus branch of FGBNU VILAR, located in the Western Caucasus, in order to study the ways of multiplication of the crop and the timing of its planting. Field experiments were laid by setting up experiments with small area. Phenological observations were carried out, peculiarities of growth and development of plants were studied, yield and content of active substances were determined. The conducted researches have established that the most effective way of propagation of Macleau x kevensis Turill in the conditions of Western Ciscaucasia is autumn planting by cuttings of rhizomes 10-15 cm long. With this method of multiplication of the culture, its ear- lier regrowth in the spring, active growth and development of plants are observed. It allows to harvest the raw material already in the first year of vegetation and provides the yield of medical raw material of Macleau x kevensis Turill at the level of 1,12 t/ha and the alkaloid content 1,02%. If we applied foliar top dressing NPK45, then in I-III years of vegetation of the crop, the yield of raw materials increased by 25-27% and the content of alkaloids increased by 6-9%, and their yield per hectare – by 30-38%.

Relevance. The results of a study on the use of organomineral fertilizers obtained using biocatalytic processes for detoxification of poultry waste and their influence on the growth and development of plants during the growing season are presented.Methodology. For poultry farms, it is necessary to create and introduce waste-free technologies for the preparation of fertilizers. To increase the efficiency of the fertilizer as a biological catalyst, we used a bacterial growth stimulator sodium humate, obtained by us according to a previously developed technology from brown coal from the Maikubenskoye deposit in the Republic of Kazakhstan («Method for producing sodium humate» Patent No. 4600 RK), as well as a sorbent based on sodium humate (a by-product of obtaining sodium humate), which was used to detoxify the feedstock and the resulting product from heavy metals and their salts due to its absorption-adsorption and complexing properties. For the developed technology for producing organic fertilizers, an application has been submitted for obtaining a Patent for the invention of the Republic of Kazakhstan «Method for producing organic fertilizers» (priority No. 2021-22818, dated July 13, 2021). Studies to determine the effectiveness of the resulting fertilizer were carried out on the experimental plots of the peasant farm «Flame», Pavlodar district of Pavlodar region of the Republic of Kazakhstan. In the soil intended for growing seedlings of tomatoes of the «Pepper-shaped Orange» variety and peppers of the «Bogatyr» variety, the resulting fertilizer was applied in an amount of 1 kg per 1 m2 of soil, which was dug to a depth of 8-10 cm and used for growing seedlings in greenhouses and in subsequent for planting it in open ground. xperimental and control studies were carried out under equivalent climatic conditions, scheme and technology of watering plants. In total, 100 bushes of each plant species were used in the experiment.Results. The use of the obtained organomineral fertilizer makes it possible to increase the yield of vegetable crops (tomatoes, peppers) by 20-25% in comparison with the control. In addition, in the experimental samples, an increase in the number of fruits on the bush was noted with an increase in their size, a decrease in the growing season and the number of damaged fruits.