The studies were carried out in 2019–2021 on the basis of the Far Eastern Agricultural Research Institute (Khabarovskiy Krai). The object of research was 27 varieties and breeding lines of soft spring wheat in competitive variety testing. Meteorological conditions differed greatly by the years of research: 2019 and 2020 were characterized by low temperatures of the surface air layer and strong waterlogging during the growing season, 2021 – by heat and drought in the second half of summer. As a result of the research, soft spring wheat varieties and soft spring wheat breeding lines of competitive variety testing by grain yield were selected: Dalira, Priamurskaya, Zaryanka, 65/2-11, 26/2-14, 29/8-06, 58/2-05, 14/2 -00, 60/2-09, 21/1-01, 118/1-99, 11/7-14, 48/2-14, 43/3-14, 22/2-16, 19/1-14, 47/1-17. The samples of soft spring wheat, significantly exceeding the standard Khabarovchanka variety by the main economically valuable traits of productivity were noted: by the plant height – Dalira, 11/5-14; by the ear length – Dalira, Zaryanka, 94/3-09; by the grain number per ear – Zaryanka, 118/1-99; by the grain weight per ear – 29/6-06, 118/1-99, 55/5-09, 11/7-14, 43/3-14, 47/1-17, 65/1-17; by the lodging resistance – Anfeya, Dalira, 42/1-14, 29/8-06, 118/1-99, 11/7-14, 48/2-14, 43/3-14, 19/1-14 , 47/1-17, 65/1-17. According to the most important parameters of grain quality, promising genotypes of spring wheat were identified by the weight of 1 000 grains: Anfeya, Priamurskaya, 65/2-11, 42/1-14, 29/8-06, 58/2-05, 60/2-09, 21/1-01, 118/1-99, 55/5-09, 94/3-09, 11/5-14, 11/7-14, 43/3-14, 19/1-14, 11/ 5-16, 47/1-17, 65/1-17; by the grain protein content: Anfeya, 42/1-14; by the grain lysine content: Dalira, 60/2-09, 21/1-01, 118/1-99.

Zenkina Kristina V., Aseeva Tatiana A.

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