ADAPTABILITY OF SOYBEAN VARIETIES OF THE NORTHERN ECOTYPE IN THE CONDITIONS OF THE SOUTHEAST OF THE OREL REGION
2023
Mazalov, V. I. | Nebytov, V. G. | Mertsalov, E. N.
The parameters of plasticity and yield stability, soybean varieties Zusha, Lancetnaya, Svapa, Osmon, Georgiya and Shatilovskaya 17 were studied in significantly different weather conditions in 2018-2022 in the south- east of the Orel region. Of the compared varieties, the varieties Zusha (bi= 1,47), Svapa (bi=1,23), Lancetnaya (bi=0,98), Georgiya (bi=0,97) distinguished themselves the most by their reaction to the conditions of the year, the smallest (bi=0,55 and 0,80) - Shatilovskaya 17 and Osmon). The greatest stability of grain yield under changing weather conditions was noted in the varieties Zusha (Si2 = 0,07), Svapa (Si2 = 0,01). The Shatilovskaya 17 and Georgiya varieties were less stable (Si2=0,15 and Si2=0,l2). In the south-east of the Oryol region, the cultivation of early-ripening soybean varieties of the northern ecotype of Swapa and Zusha is recommended, taking into account the average yield for 2018-2022 – 2,36 and 2,24 t/ha, protein content (38% and 40%), fat (21%), optimal combination of plasticity and stability parameters, bi =1,23 and 1,47 and Si2 = 0,01 and 0,07
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