The influence of biological growth regulators on the productivity of agrocenoses of spring barley and winter wheat
https://doi.org/10.32634/0869-8155-2025-399-10-159-166
Abstract
Relevance. Over the past few years, the Rostov region has been experiencing a trend of abnormal weather conditions causing drought. Smoothing out negative factors is possible by managing the agrocenosis, including through biological preparations and selection of varieties.
Methods. The research was conducted in the agricultural years 2022–2025 in the Rostov region. The 1st experiment was conducted in the Azov Sea zone on chernozem soils. The Leon variety of spring barley and the bioregulators of growth “Artafit”, “Biodux”, “Obereg”, “Trainer”, “Fulvohumat” were studied. The 2nd experiment was conducted in the eastern zone on chestnut soils. Wheat varieties Stanichnaya and Lydia and bioregulators of growth “HumatAktiv”, “Albit”, “Vigor Forte” were studied.
Results. Under experimental conditions, the plants formed non-highly productive agrocenoses due to low seed germination (90% in barley and 88,2% in wheat), survival rate for harvesting (76% and 75%, respectively), productive bushiness coefficient (1,2 and 1,25), weight of 1000 grains (41,8 g and 40,9 g). As a result, the yield of barley grain is 2,5–3,8 t/ha and wheat 3,15–4,38 t/ha. According to the combination of positive effects of biological growth regulators on the profitability and productivity of agrocenoses of spring barley, we recommend the preparations “Biodux” and “Obereg” during the growing season during the tillering phase, on winter wheat, the use of “Vigor Forte” preparations in the pre-sowing preparation of seeds and “Albit” during the tillering phase.
About the Author
N. A. Ryabtseva
Don State Agrarian University
Russian Federation
Russian Federation
Natalya Aleksandrovna Ryabtseva - Candidate of Agricultural Sciences, Associate Professor
of the Department of Agriculture and Storage Technologies for Plant Products,
24 Krivoshlykov Str., Persianovsky settlement, Oktyabrsky district, Rostov region, 346493
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Review
For citations:
Ryabtseva N.A. The influence of biological growth regulators on the productivity of agrocenoses of spring barley and winter wheat. Agrarian science. 2025;(10):159-166. (In Russ.) https://doi.org/10.32634/0869-8155-2025-399-10-159-166
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