Abstract
A very early soybean variety Zabava was selected from the hybrid combination F4 Slavia × EU Mentor by traits of increased cold resistance, drought resistance and reduced reaction for the length of the day. The Zabava variety belongs to a very early group of maturity, at the latitude of Krasnodar (45°) it matures in 94 days, and in yield is not inferior to the Puma standard variety. At the latitude of Samara (53°), it matures in 95 days, and the yield significantly exceeds the Samer 3 standard variety. In 2022, in a competitive variety test in the Krasnodar region, its yield was 2.51 t/ha; in a competitive test in the Samara region, it was 3.33 t/ha. The height of the plants of the Zabava variety at the latitude of Krasnodar averaged 74 cm. In the Samara region, at latitude 53°, the height of plants of the Zabava variety increased slightly to 87 cm. High resistance to low air and soil temperatures in the germination phase, and increased yield in long-day conditions characterizes the new soybean variety Zabava. This allows it to be cultivated in soybean-producing farms in the Central Chernozem, North Caucasus, Middle Volga, Low Volga, Ural, Western Siberian and Eastern Siberian regions of the Russian Federation.
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