Influence of weather factors on the productivity of perspective soybean lines in the unstable moisture zone

Zaitsev, N.I.; Revenko, V.Yu.; Устарханова, Э Г

doi:10.25230/2412-608x-2020-2-182-62-69

Cited by 4 publications

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“…Обсуждение В Центральном районе Нечерноземной зоны РФ основным лимитирующим фактором для возделывания сои являются тепловые ресурсы. При этом работа по интродукции сои в этом регионе, начатая в 80-е годы прошлого столетия, в последние годы получила мощный импульс ввиду возрастающей потребности в соевом белке предприятий, работающих в сфере пищевой промышленности, а также производства кормовой базы для животноводства [14,15]. Однако среди ученых нет единой стратегии в разработке модели сорта сои северного экотипа для региона.…”

Section: вестник ульяновской государственной сельскохозяйственной ака...unclassified

Agroclimatic Characteristics of Regions of the Non-Black Soil Zone of the Russian Federation and Suitability Estimation for Cultivation of Modern Early Soybean Varieties

Dorokhov¹,

Belyshkina²

2021

Vestnik of Ulyanovsk SAA

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An increase of warm period durati on has been recorded in the Central Non- Black Soil region in recent years, which occurs due to a rise of the number of days with positi ve temperatures: the transiti on through 0 ° C towards an increase in temperatures occurs earlier, and towards a decrease - later than the accepted average long-term values. The aim of the research was to analyze the parameters of climate change in the Central Non-Black Soil Region and to indicate the displacement of the northern border of the acceptable distributi on of soybean crops in the region. As a result of studying of agrometeorological database for a 40-year period from 1981 to 2020, the Central Economic Region of the Non-Black Soil Zone of the Russian Federati on was noti onally divided into 3 agroecological regions: northern, central and southern. The division was based on climati c temperature factors - the average temperature during the vegetati on season and the sum of acti ve temperatures during the growing season. Along with temperatures, the amount of precipitati on and the value of HTC for the vegetati on season were analyzed. Changes of agroclimati c conditi ons in the agroecological regions of the Central Economic Region of the Non-Black Soil Zone of the Russian Federati on are currently signifi cantly diff erent: as for the northern agroecological region (Tver, Yaroslavl, Kostroma regions), the sum of temperatures is 2000–2200 ° С, the HTC is 1.4–1.7, the amount of precipitati on is 285– 295. The sum of temperatures in the central agroecological region (Smolensk, Moscow, Kaluga, Vladimir, Ivanovo regions) is 2200–2400 ° C, the HTC is 1.1–1.4, the amount of precipitati on is 265–285. And the sum of temperatures in the southern agroecological region (Bryansk, Oryol, Ryazan, Tula regions) is 2400–2600 ° С, the HTC is 0.7–1.1, the amount of precipitati on is 255–265. In general, the local climate change in the Central Economic Region of the Non-Black Soil Zone of the Russian Federati on led to a shift of the sum isotherm of acti ve temperatures by 150–200 km towards high lati tudes. Early varieti es of soybeans are able to form a stable yield in the changed weather conditi ons of the Central Economic Region of the Non-Black Soil Zone of the Russian Federati on. Biological temperature minima are maintained at all stages of growth and development, maturati on occurs in August - early September.

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Section: вестник ульяновской государственной сельскохозяйственной ака...unclassified

Agroclimatic Characteristics of Regions of the Non-Black Soil Zone of the Russian Federation and Suitability Estimation for Cultivation of Modern Early Soybean Varieties

Dorokhov¹,

Belyshkina²

2021

Vestnik of Ulyanovsk SAA

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Promising soybean breeding lines of the northern ecotype for developing forage crops

Fadeev

Fadeeva

Nikiforova

et al. 2022

Аграрная наука Евро-Северо-Востока

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The article presents the results of comparative assessment of soybean breeding lines of the northern ecotype for selection of the most promising ones for developing forage varieties suited for cultivation in mixed crops. The studies were carried out in 2018-2021 in the conditions of the Chuvash Republic on gray forest heavy loamy soil. The experiment included four soybean lines in comparison with the SibNIIK 315 standard recommended for growing in the Volga-Vyatka region. The crops were evaluated according to the dynamics of accumulation of aboveground biomass during the phases of formation and filling of beans. Based on the results of a 4-year observation period, correlations between the productivity of soybean lines of the northern ecotype with weather factors have been established. It has been revealed that the yield of aboveground mass during the phases of formation and filling of beans depended mostly on atmospheric precipitation (r = -0.49…-0.86). It has been established, that breeding lines No. 314 and No. 320 of middle early and mid-season ripening period had rather high productivity. The yield of green mass in single-crop sowings was 39.7 t/hа in line No. 314 and 36.7 t/hа in line No. 320 that 1.5 times exceeded the standard variety. The selected lines are worth noting and according to bush architectonics are rather high (90- 91 cm), foliate (46-44 %), branched, nutate plants.

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Response of soybean varieties to weather conditions in Primorsky Krai

Lukyanchuk,

Butovets

2023

Agrarnaâ nauka

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Relevance. The soybean breeding process, focused on increasing the level of qualitative and reproductive indicators of the culture under the means of hybridization, further evaluation of the obtained genotypes and selection of promising samples, has an extremely relevant research direction.Results. The research determined how weather and climatic factors influenced the yield, protein content in seeds, and resistance to fungal diseases of promising soybean varieties under the conditions of Primorsky Krai. High-yielding accessions (3.08–3.59 t/ha) from combinations «Arisa × Taifun» and «NIISKH 3 × Taifun» were selected. A high TKW was characteristic of hybrid combination «Primorskaya 13 × Kofu» (207 g). During the growing season of the crop, there were conditions of insufficient (2021) and excessive (2022) moisture, which had a different effect on the yield level of soybean varieties on average according to experience (17.1 c/ha and 34.0 c/ha, respectively). The conditions of 2022 were optimal for the ontogeny of soybean. Varieties Primorskaya 1690, Primorskaya 1693, and Primorskaya 1696 had the highest yield in 2022 exceeding the standard by 38.0–54.7%. The highest yield was achieved under the conditions of short-term heavy precipitation in combination with high temperature during the growing period. Soybean seeds had a higher protein content after heavy precipitation with short periods of moisture excess from July to August. Under more favorable conditions for the development of fungal pathogens (in 2022), the degree of damage to soybean plants significantly increased (by 16.0%). The studied varieties were resistant to downy mildew and Cercospora.leaf spot (the degree of damage was up to 25.0%).

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Influence of weather factors on the productivity of perspective soybean lines in the unstable moisture zone

Cited by 4 publications

References 0 publications

Agroclimatic Characteristics of Regions of the Non-Black Soil Zone of the Russian Federation and Suitability Estimation for Cultivation of Modern Early Soybean Varieties

Agroclimatic Characteristics of Regions of the Non-Black Soil Zone of the Russian Federation and Suitability Estimation for Cultivation of Modern Early Soybean Varieties

Promising soybean breeding lines of the northern ecotype for developing forage crops

Response of soybean varieties to weather conditions in Primorsky Krai

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