New cultivar of grain pea pamyati popova adaptive to the Southern Urals conditions

The aim of the study is to create a new highly productive variety of field pea (Pisum sativum L.) adaptable to the agroclimatic conditions of the Southern Urals. The experiments were conducted in 2009-2023 in the conditions of the Cis-Ural steppe zone of the Republic of Bashkortostan. The soils of the experimental plot are represented by medium-deep carbonate chernozem with a humus content in the arable layer of 8.0 %. Weather conditions during the years of the study varied significantly in temperature (the sum of active temperatures above 10 °C is 2,000-2,250 °C) and moisture supply (the average annual precipitation is 355-495 mm), which made it possible to comprehensively evaluate the breeding material. The new pea variety Pamyati Popova was created by the method of multiple individual selection from a hybrid combination obtained by crossing the varieties K-7992 (Korea) and Usach. As a result, it was possible to combine the semi-leafless morphotype with the determinate type of stem growth, which ensures high resistance of the new variety to lodging. The Pamyati Popova variety is mid-season; the growing season lasts 60-78 days. The weight of 1,000 seeds is 190-220 g. The protein content in the seeds is 20.7-22.4 %. The average yield increase in the control nursery compared to the standard variety Pamyati Khangildina was 2.5 c/ha; in preliminary variety testing - 2.2; in competitive variety testing - 1.8 c/ha. In 2022, the Pamyati Popova pea variety was included in the State Register of Breeding Achievements in the Volga-Vyatka, Middle Volga and Ural Regions of the Russian Federation. The potential yield of the new variety is 42-43 c/ha. The economic efficiency of its introduction into production is 165-175 million rubles per year.