scholarly journals ROOT FORMATION STIMULATORS AND THEIR INFLUENCE ON THE ROOTING OF GREEN AND WOODEN CUTTINGS OF PEAR CLONE

2021 ◽  
Vol 16 (4) ◽  
pp. 33-37
Author(s):  
Anna Zhuravleva
Keyword(s):  
Root Formation ◽  
Growing Season ◽  
Film Coating ◽  
Forest Steppe ◽  
Total Degree ◽  
Scientific Center ◽  
Winter Conditions ◽  
Hot Weather ◽  
Control Water ◽  
Rapid Regrowth

In the garden of Omsk Agrarian Scientific Center, located in the southern forest-steppe of Omsk region in 2018-2020 research has been carried out with the aim of studying the features of the influence of various stimulants of root formation during the propagation of clonal pear rootstocks by green and lignified cuttings. The soil is meadow-chernozemic medium loamy with a pronounced sandy fraction, the reaction of the soil solution is close to neutral. The object of research is clonal pear stocks PG 2, PG 12, PG 17-16. Rooting of green and lignified cuttings was carried out in a greenhouse with a film coating with an artificial fogging installation. The substrate is a mixture of sand and peat (1 to 1). Planting scheme of cuttings 5×5 cm, in four replicates (50 pcs.), Placement is randomized. Kornevin (powdering of sections), and Ribav-extra, control – water (duration of exposure - 16 h) were used as stimulants of root formation during green cuttings. When propagating by lignified cuttings, cornevin (0,1%) and ribav-extra (0,01%) were used; water was used as control (exposure duration - 16 h). Clonal pear rootstocks tolerated the winter conditions of the study years relatively favorably. The exception was winter 2019-2020, the total degree of freezing was 1 point in the PG 2 and PG 17-16 rootstocks, and 5 points in the PG 12 rootstock (90% plant loss). The beginning of the growing season in 2018 was marked on May 22-23, in 2019 - May 5-6, in 2020 - April 18-19. In 2018-2019, green cuttings were carried out on June 20, in 2020 - on June 10. Earlier terms of cuttings in 2020 are explained by the rapid regrowth and lignification of the shoots (hot weather and lack of precipitation in the first months of the growing season). In the control, massive root formation was noted after 6 weeks. The treatment of cuttings with growth stimulants promoted the acceleration of root formation, which was observed after 4 ... 5 weeks. On average, over the years of research, rooting rate when using Kornevin, in comparison with control, increased by 13 ... 18%, Ribav -extra - by 10 ... 13%. The rootstock PG 12 is characterized by a higher rooting Kornevin of green cuttings (51.5 ... 56.5%) than that of PG 2 (47.7 ... 49%) and PG 17-16 (41.7 ... 44.3%). Rooting rate when using Kornevin was 50%, Ribav - extra 47%. PG 12 is the only rootstock under study in which rooting of lignified cuttings is observed: in the control 24%, when using preparations 44.5 ... 52%

scholarly journals The degree of ripening of the grapevine in the varieties of selection of National Scientific Centre ‟Institute of viticulture and wine-making after V.YE. Tairovˮ in the conditions of the northern part of the Forest-steppe of Ukraine

2020 ◽  
Vol 11 (3) ◽  
pp. 105-114
Author(s):  
O. S. Vasylenko ◽  
◽  
T. E. Kondratenko ◽  
Keyword(s):  
Weather Conditions ◽  
Growing Season ◽  
Climatic Conditions ◽  
Forest Steppe ◽  
Winter Conditions ◽  
The Mean ◽  
Primary Fluorescence ◽  
Wintering Conditions ◽  
Grape Varieties ◽  
Selection Of

Strong growth of shoots and ripening of grape fruits do not give grounds for claiming that the variety is in accordance with the climatic conditions of a certain area. Only a well-ripe vine can withstand severe winter conditions. The purpose of the study is to determine the degree of maturation of the vine in grape varieties of Odessa breeding grown in the northern part of the Forest-steppe, and to identify among them the most prepared for wintering conditions in the area. The degree of maturation of the vine was determined during 2018–2019 in the autumn before the cover of grape plants by the method of primary fluorescence using a microscope MBS-2 with fluorescent illuminator OI-18 and by the method of N. Matuzok. Studies have shown that the degree of ripening of the grapevine depends on the weather conditions during the growing season and varietal characteristics of the plants. Weather conditions during the years of study contributed to the good maturation of the shoots of grapes of all varieties except Kometa and Zahadka. The first had a characteristic brown color of the mature bark along the entire length of the shoot. When bending the vine in its upper part of the characteristic cracking of the bark was not in the varieties Kometa, Zahadka, Yarylo and Muskat odeskyi. The highest degree of ripening of shoot tissues was noted in the lower zone of the vine in the Aromatnyi, Kardyshakh, Kishmish tayirovskij. In the middle zone of shoots, the highest degree of maturation of the felema was found in the variety Kardyshakh, and in the upper part of the shoot, in the variety Aromatnyi. The highest conditional coefficient of maturation (Kv) of the tissues of the vine in the fifth internode is defined in the varieties Aromatnyi and Kyshmysh tairovskyi (0.90), the mean in the variety Kardyshakh (0.88), and the lowest in the variety Kometa (0.56). Based on the data obtained from the results of complex studies, it was found that the varieties Aromatnyi, Kyshmysh tairovskyi and Kardyshakh are the most prepared for wintering in the northern part of the Forest-steppe.

scholarly journals Influence of growth regulators on yield of carrot tablets in the conditions of the forest-steppe of right-bank Ukraine

2021 ◽  
Author(s):  
I. I. Palamarchuk ◽  
Keyword(s):  
Growth Regulators ◽  
Growth Regulator ◽  
Root Formation ◽  
Growing Season ◽  
Vegetation Period ◽  
Forest Steppe ◽  
Dry Period ◽  
Marketable Yield ◽  
Highest Weight ◽  
Root Crops

In the results conducted between studies, the studied regulators affect the biometrics and yield of table carrot plants. The greatest influence on the interphase period "root formation - technical maturity" was performed by the regulator Phytocid-r, which helped reduce the growth of the interphase period Shantane KL by 3 days, in the hybrid Brilliance F1 by 4 days. With the use of the growth regulator Phytocid-r of the vegetation period of the population in the variety Shantane KL – 117 days, in the hybrid Brilliance F1 – 118 days, respectively 6 and 7 days shorter with control. The highest weight of root crops during the growing season was observed using the growth regulator Phytocid-p, in the variety Shantane KL the increase relative to control was 15.5 – 23.7 g, in the hybrid Brilliance F1 – 18.5 and 25.5 g. root crops were also characterized by variants using growth regulators Ivin and Emistym C, where the increase relative to the control at the end of the growing season was: in the variety Shantane KL – 4.1-8.3 g, in the hybrid Brilliance F1 – 4.9 and 6.0 g respectively. The growing season of table carrots was characterized by slightly higher temperatures and low rainfall, with a long dry period, which negatively affected the formation of roots of table carrots. However, the highest yield was obtained from the option using the growth regulator Phytocid-p, which provided an increase in yield at the level: in the variety Shantane KL – 8.5 t / ha, in the hybrid Brilliance F1 – 13.3 t / ha. The highest percentage of marketable yield was obtained using the growth regulator Phytocid-p in both varieties and hybrids – 94.8 and 95.2 %, which is more than the control by 11.2 and 11.0 %. The largest mass of root crop was formed by plants using the growth regulator Phytocid-r: in the variety Shantane KL – 112 g, in the hybrid Brilliance F1 – 118 g, which is 23.8 and 25.6 g more than the control. The diameter of the root was in the range of 5.8-7.0 cm and varied slightly from the growth regulator. The hybrid Brilliance F1 was characterized by a longer root length. However, taking into account the applied growth regulator, it was found that the highest figure was for the use of Phytocid-r: in the variety Shantane KL – 17.6 cm, in the hybrid Brilliance F1 – 18.3 cm, which is more than the option without treatment 1.2 and 1.0 cm.

Irrigation regime and water consumption of potatoes in the Republic of Bashkortostan, depending on the reclamation condition of lands

2020 ◽  
Vol 0 (6) ◽  
pp. 13-19
Author(s):  
Guzel Gumerova ◽  
Georgiy Gulyuk ◽  
Dmitry Kucher ◽  
Anatoly Shuravilin ◽  
Elena Piven
Keyword(s):  
Water Consumption ◽  
Weather Conditions ◽  
Growing Season ◽  
Vegetation Period ◽  
Forest Steppe ◽  
Total Water ◽  
Total Water Consumption ◽  
Republic Of Bashkortostan ◽  
Irrigated Lands ◽  
The Republic

Data of long-term researches (2015–2018) in southern forest-steppe zone of the Republic of Bashkortostan, is justified theoretically and experimentally the mode of irrigation of potatoes on leached chernozems of unsatisfactory, satisfactory and good ameliorative condition of irrigated lands. For the growing periods of potatoes with different heat and moisture supply, the number of watering, the timing of their implementation, irrigation and irrigation norms are established. On lands with unsatisfactory meliorative state the number of irrigation depending on weather conditions of potato vegetation period varied from 0 to 3 (1.5 on average) with average irrigation norm – 990 m3/ha. With satisfactory meliorative state of lands the number of irrigation on average increased from 0 to 4 (2.3 on average) with irrigation norm – 1305 m3/ha. On lands with good meliorative state the number of irrigation was the highest – from 1 to 5 (3 on average) with average irrigation irrigation norm is 1653 m3/ha. It was noted that in the dry periods of potato vegetation the greatest number of watering was carried out (3–5 watering), and in the wet periods (2017) watering was not carried out except for the area with a good reclamation state, where only one irrigation was carried out by the norm of 550 m3/ha. Water consumption of potato was studied in dynamics as a whole during the growing season and the months of the growing season depending on weather conditions of vegetation period and land reclamation condition of irrigated lands, as well as in the control (without irrigation). The lowest total water consumption was in the area without irrigation and averaged 226.8 mm. In irrigated areas, its values increased to 319-353.4 mm. The average daily water consumption varied from 2.12 to 3.3 mm. The highest rates of potato water consumption were observed in June and July, and the lowest – in May and August. In the total water consumption of potatoes on the site without irrigation, the largest share was occupied by atmospheric precipitation and in addition to them the arrival of moisture from the soil. Irrigation water was used in irrigated areas along with precipitation, the share of which was 30.2–46.1 %.

YIELD OF CORN HYBRIDS DEPENDING ON PLANT DENSITY AND FERTILIZATION SYSTEMS

2020 ◽  
Author(s):  
V. Polyakov ◽  
Keyword(s):  
Grain Yield ◽  
Plant Density ◽  
Growing Season ◽  
Research Field ◽  
Forest Steppe ◽  
Corn Yield ◽  
Field Calculation ◽  
Corn Hybrids ◽  
Maize Hybrid ◽  
Fertilizer System

The article presents the results of research on the formation of corn yield for grain depending on the elements of cultivation technology in the Forest-Steppe of Ukraine. The goal of the research was to identify the influence of plant density and fertilizer system on the yield of corn hybrids for grain. The research was conducted during 2017-2019 in the research field of Bila Tserkva National Agrarian University (Bila Tserkva NAU). Research methods: field, calculation and statistical. Results. Regularities of growth, development and formation of yield by plants are revealed, both in concrete conditions of years of researches, and taking into account average long-term values taking into account features of hybrid-oriented technology. According to the results of the experiment it was recorded that the maximum yields for growing early-maturing maize hybrid DN PIVYHA with FAO 180 in general were obtained at a pre-harvest density of 75 thousand units/ha and the use of combined organo-mineral fertilizer system - 11.09 t/ha; medium-early maize hybrid DN ORLYK, FAO 280 in general in the experiment provided a grain yield of 9.60 t/ha, and in terms of 2017 - 7.86 t/ha, in 2018 - 11.22 t/ha and in 2019 - 9, 72 t/ha, but the medium-ripe hybrid of corn DN SARMAT, FAO 380 provided a grain yield of 10.81 t/ha, and in the context of 2017 - 9.31 t/ha, in 2018 - 11.68 t/ha and in 2019 - 11.44 t/ha. Significant influence on the formation of the yield of corn has a hybrid factor (27 %), fertilizer system determines the level of productivity by 21 % and interacts closely with the conditions of the growing season (factor BV 9 %), growing season conditions also determine the level of productivity of corn plants (19 %), and the pre-harvest density determines this feature by 18 %. Conclusions: In the conditions of the Right Bank part of the Forest-Steppe of Ukraine there is an increase in the level of productivity of maize hybrids from early to medium-ripe hybrids, regardless of the influence of other experimental factors.

scholarly journals Modelling the productivity of Siberian larch forests from Landsat NDVI time series in fragmented forest stands of the Mongolian forest-steppe

2021 ◽  
Vol 193 (4) ◽  
Author(s):  
Stefan Erasmi ◽  
Michael Klinge ◽  
Choimaa Dulamsuren ◽  
Florian Schneider ◽  
Markus Hauck
Keyword(s):  
Climate Change ◽  
Time Series ◽  
Global Climate Change ◽  
Global Climate ◽  
Siberian Larch ◽  
Growing Season ◽  
Forest Productivity ◽  
Forest Steppe ◽  
Fragmented Forest ◽  
Southern Fringe

AbstractThe monitoring of the spatial and temporal dynamics of vegetation productivity is important in the context of carbon sequestration by terrestrial ecosystems from the atmosphere. The accessibility of the full archive of medium-resolution earth observation data for multiple decades dramatically improved the potential of remote sensing to support global climate change and terrestrial carbon cycle studies. We investigated a dense time series of multi-sensor Landsat Normalized Difference Vegetation Index (NDVI) data at the southern fringe of the boreal forests in the Mongolian forest-steppe with regard to the ability to capture the annual variability in radial stemwood increment and thus forest productivity. Forest productivity was assessed from dendrochronological series of Siberian larch (Larix sibirica) from 15 plots in forest patches of different ages and stand sizes. The results revealed a strong correlation between the maximum growing season NDVI of forest sites and tree ring width over an observation period of 20 years. This relationship was independent of the forest stand size and of the landscape’s forest-to-grassland ratio. We conclude from the consistent findings of our case study that the maximum growing season NDVI can be used for retrospective modelling of forest productivity over larger areas. The usefulness of grassland NDVI as a proxy for forest NDVI to monitor forest productivity in semi-arid areas could only partially be confirmed. Spatial and temporal inconsistencies between forest and grassland NDVI are a consequence of different physiological and ecological vegetation properties. Due to coarse spatial resolution of available satellite data, previous studies were not able to account for small-scaled land-cover patches like fragmented forest in the forest-steppe. Landsat satellite-time series were able to separate those effects and thus may contribute to a better understanding of the impact of global climate change on natural ecosystems.

scholarly journals DYNAMICS OF FORMATION OF THE SQUARE OF BEETS PLANTS OF BEETS DEPENDING ON VARIETY SPECIAL FEATURES AND TERMS OF SEEDING UNDER CONDITIONS OF THE RIGHT-FOREST STEPPE OF UKRAINE

2019 ◽  
pp. 173-182
Author(s):  
Inna Palamarchuk
Keyword(s):  
Aerial Part ◽  
Root Formation ◽  
Weather Conditions ◽  
Forest Steppe ◽  
Sowing Time ◽  
The Third ◽  
Sowing Dates ◽  
Number Of Leaves ◽  
The Right ◽  
Sowing Period

The results of studies on the dynamics of the formation of the area of leaves of plants of beetroot canteen depending on varietal characteristics and sowing time in the conditions of the Forest-Steppe of Right-Bank Ukraine are presented. The dependence of the growth and development of beetroot plants on varietal characteristics and sowing dates, as well as on weather conditions that were in the studied time, was revealed. The largest number of leaves in the phase of intensive root formation was formed by plants with a sowing period of I decade of May: 13.3 pcs. / plant – Bordo Kharkivskiy, 13.1 pcs. / plant – Opolskiy. The greatest mass of the root crop in the phase of intensive root formation was planted at a sowing period of the third decade of April: the Bordo Kharkivskiy – 72.4 g, the variety Opolskiy – 43.5 g. The same pattern was observed when taking into account the mass of the aerial part of beetroot. In the Bordo Kharkivskiy variety, it varied from 92.4 g to 87.5 g depending on the sowing time, in the Opolskiy variety from 33.7 g to 31.7 g, that is, the beet plants of the Bordo Kharkivskiy cultivar formed a significantly larger mass of the aerial part in comparison with the Opolskiy variety. Plants were sown with the largest leaf area at a sowing period of the 3rd decade of April: in the Bordo Kharkivskiy – 1.2 – 4.0 thousand m2 / ha, in the Opolskiy variety – 1.0 – 2.3 thousand m2 / ha. According to the results of the crop accounting, it was found that it depended on the variety and sowing period of beetroot. On average, over the years of research, the highest yield was observed with a sowing period of the third decade of April: 63.1 t / ha for the Bordo Kharkivskiy variety, 55.9 t / ha for the Opolskiy variety.

scholarly journals Prospects of practical use of new potatoes state varietal resources in the north-east Forest-Steppe of Ukraine

2019 ◽  
pp. 15-21 ◽  
Author(s):  
N.S. Kozhushko ◽  
M.M. Sakhoshko ◽  
M.G. Bashtovyi ◽  
D.V. Smilyk ◽  
V.I. Avramenko ◽  
...  
Keyword(s):  
Starch Content ◽  
Growing Season ◽  
Potato Production ◽  
Climatic Conditions ◽  
Forest Steppe ◽  
North East ◽  
The North ◽  
Significant Difference ◽  
New Varieties ◽  
Growing Conditions

According to statistic evaluation of the manifestation of signs of the economic suitability of state sort resources of 2019 registration potatoes when growing it in different agro-climatic conditions, a significant advantage of influence of the forest-steppe conditions was determined. Compared to Polesia the increase of yield rose for 4.1 t/ha or 18 % (НІР05 = 2.18, Ffact= 12.65 > F05 = 4.22) and the amount of trade potato for 22.72 ha or 20 % (Ffact = 58.87). There is also a tendency to increase the number of starch from unit of area for – 17 % and the total consumer properties for – 8 %.  However, there is a significant difference in the reduction of storability of products by 45 % and the lack of it’s resistance to macrosporiosis and late blight. It was proved that the yield of varieties for cultivation in the polesia zone by 25.7 % depended on the duration of the growing season (Ffact = 4.14 > F05  = 0.06). The relationship between yield and starch of potatoes in Polesia zone varieties  was determined – 23.6 % and in forest-steppe – 17.3 % and starch collection, respectively, 33.6 % and 28.0 %. The dependence of storability of potato which grew in the polesia zone and in forest-steppe from the amount of starch for 15 % was mathematically proved (Ffact = 2.11 > F05 = 0.17) і 11.3 % (Ffact = 1.52 > F05 = 0.24); the dependence of storability on the duration of the growing season in the Forest-Steppe conditions was confirmed(Ffact = 0.66 > F05  = 0.43). In addition, the 12 % of tasting grade of the Forest-Steppe varieties depended on the starch content amount (Ffact = 1.65 > F05 = 0.22). According to the results of the regression analysis, mathematical models have been developed to predict yields, culinary and consumer properties, and the storability of new potato varieties under different growing conditions. The project of a conveyor for the consumption of fresh product in summer  period with the involvement of varieties of early ripeness in the Forest-Steppe was presented: 80 days after planting – Sanibel, 90 days after planting – Medison, Paroli, 95 days after planting – Bazalia, Bernina, 100 days after planting – Donata, in the Polesia zone ‒ 80 days after planting – Sanibel, 90 days after planting – Paroli, 95 days after planting –Bazalia, 100 days after planting – Medison, Bernina, Donata. By distribution of varieties by predicted high content of phytonutrients there were bred varieties with red skin and creamy flesh – Bazalia and Sanibel, by high content with yellow flesh – Baltic Rosa and moderate content with white flesh – Oleksandrit, Fotynia, Ricarda. Introduction of new varieties with certain high adaptive potential of storability and content of bioactive compounds in potatoes will provide growth of potato production in the conditions of the northeast forest-steppe and increase its competitiveness in the domestic and foreign markets and will solve the problem of year-round consumption of fresh quality products.

scholarly journals Agrobiological characteristics of hulless barley cultivars developed at Omsk agrarian Scientific Center

2019 ◽  
Vol 180 (1) ◽  
pp. 38-43 ◽  
Author(s):  
P. N. Nikolaev ◽  
O. A. Yusova ◽  
N. I. Aniskov ◽  
I. V. Safonova
Keyword(s):  
Stress Tolerance ◽  
West Siberia ◽  
The State ◽  
Forest Steppe ◽  
Agricultural Practice ◽  
Seeding Rate ◽  
Scientific Center ◽  
Hulless Barley ◽  
Barley Cultivars ◽  
State Register

Background. An extremely important task today is to develop new hulless barley cultivars, capable of yielding large and high-quality grain harvests, and introduce them into agricultural production. Objective. The purpose was to study three hulless barley cultivars ‘Omsky golozerny 2’, ‘Omsky golozerny 4’ and ‘Maysky’, developed at Omsk Agrarian Scientific Center, in order to describe their agrobiological characteristics.Materials and methods.The experimental part of the work was carried out in 2015–2017 on the experimental fields of Omsk ASC in the southern forest steppe (third crop rotation after the wheat predecessor; fourth crop after fallow). There were 4 replications on the plot of 10 m2. The seeding rate was 4 million viable seeds per 1 ha. Agricultural practice used in the experiments was conventional for West Siberia. Parameters of stability and plasticity were calculated according to Eberhart and Russell, Wricke; adaptability, according to Zhivotkov; homeostasis, according to Khangildin; stress tolerance and compensatory ability, according to Rossielle and Hemblin.Results. Many years of breeding work at Omsk ASC resulted in the development of three hulless barley cultivars: ‘Omsky golozerny 2’ (listed in the State Register of the Russian Federation for regions 9, 10 and 11), ‘Omsky golozerny 4’ (submitted for the State Crop Variety Trials in 2017), and ‘Maysky’ (not included in the State Register). The new hulless barley cultivar ‘Omsky golozerny 4’, considering its higher productivity (+1.36 g to the reference in 1000 grain weight, and +0.73 t/ha to cv. ‘Maysky’), in the yield of nutrients per area unit equaled the reference ‘Omsky golozerny 2’, but exceeded ‘Maysky’ (+47.2 kg/ha of protein, +390 kg/ha of starch, and +42.4 kg/ha of crude fat). ‘Omsky golozerny 4’ was also characterized by stability (stability = 4.8), increased compensatory ability (3.29) and adaptability (103%). There was an increase in productivity with improved growing conditions (ecological plasticity = 1.25). ‘Maysky’ had higher stress tolerance (–1.35), while the reference ‘Omsky golozerny 2’ showed increased homeostasis (0.118). Thus, ‘Omsky golozerny 4’ exceeded the previous two cultivars in adaptability and stability.

scholarly journals The influence of foliar fertilizer on the biometric indicators and sunflower yield

2019 ◽  
Vol 2019 (2) ◽  
pp. 145-151
Author(s):  
M.V. Shevchenko ◽  
G.O. Kutsegub ◽  
R.S. Mozgovoy
Keyword(s):  
Leaf Surface ◽  
Growing Season ◽  
Forest Steppe ◽  
Left Bank ◽  
Effective Measure ◽  
Foliar Fertilizer ◽  
Surface Yield

The results of three-year research on determining the effectiveness of outside the roots extra fertilization of sunflower with complex fertilizers of various application periods under conditions of the Left-Bank Forest-Steppe of Ukraine are given. It was established that a combination of macro – and micro-fertilizers during the growing season of sunflower is appropriate for increasing seeds yield. The most effective measure is the use of three-time extra fertilization with a complex of Sol B (boron 15 %) (0.5 l/ha) and Kod Fol (N14P6K5) v.r. (0.5 l / ha). Keywords: sunflower, microelements, macroelements, extra fertilization, height, leaf surface, yield.

scholarly journals Present-day breeding of legumes and groat crops in Russia

2021 ◽  
Vol 25 (4) ◽  
pp. 381-387
Author(s):  
V. I. Zotikov ◽  
S. D. Vilyunov
Keyword(s):  
Plant Protection ◽  
Effective Means ◽  
Cost Effective ◽  
Growing Season ◽  
Climatic Conditions ◽  
Stress Factors ◽  
Temperature Sensitive ◽  
Scientific Center ◽  
Close Relationship ◽  
High Yielding Varieties

The production of pedigree seeds is not only an important but also a cost-effective means of increasing the yield and efficiency of agriculture. The genetic potential of varieties can be unlocked only by choosing those adaptive to the soil and climatic conditions in a particular region, using modern tools for plant protection, and applying balanced mineral nutrition. These are the most important factors determining the performance. In the course of breeding and genetic work, the Federal Scientific Center of Legumes and Groat Crops (FSC LGC) has created new soybean varieties, whose high biological and economic potentials are combined with resistance to stress factors. Despite the close relationship between productivity and growing season duration, the highly productive and early-ripening (100–115 days) soybean varieties raised at FSC LGC can yield 2.5 to 3.5 t/ha, the grain having high contents of protein (37–42 %) and fat (18–22 %), depending on the climatic conditions in a particular year of cultivation. They are less temperature-sensitive than other domestic or foreign varieties. It is important that our soybean varieties are not genetically modified. New pea varieties created at FSC LGC in 2015–2020 differ in growing season duration and morphological features. They are adaptable to the soil and climatic conditions of a region, which ensures the maximum realization of their potential. The main factor in increasing yields and stabilizing the production of buckwheat and millet grain in the Russian Federation is the creation and adaption of new earlyripening and high-yielding varieties of the determinate type adapted to the specific natural and climatic conditions of different regions of Russia.

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