Abstract
The article considers the influence of preparations produced by JSC "Shchelkovo Agrochem" on biometric indicators of growth and development of winter soft wheat of the Umka variety in the conditions of the Kurgan region (Kurgan SRIA - branch of FSBSI UrFASRC, UrB of RAS) in 2019-2021. The best indicators for plant safety, phytosanitary condition of crops, yield and biological productivity were obtained with an optimal protection scheme involving the use of insecto-fungicidal seed etching and additional autumn treatment with ZIM-500 at a dose of 0.5 l/ha. This scheme provided an increase in the yield of winter wheat by 5.3 c/ha (40.2%) to control and excellent grain quality at the level of class 1 and can be recommended for production. The use of additional means of comprehensive protection of winter wheat (Duo Title 0.2 l/ha + Biostim Grain 1 l/ha in the flag-leaf - earing phase) provided an improvement in grain quality indicators, increased yield by 4.3 c/ha (32.6%) to control, but did not provide an additional increase in yield compared to the optimal a protection scheme in the conditions of acute drought in 2021.
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