Abstract
The results of a study of 18 varieties and promising lines of chaffy and naked oats in the competitive variety test of the Rudnitsky Federal Agricultural Research Center of the Northeast (Kirov oblast) in the period from 2019 to 2021 are presented. The purpose of the research was to assess the varieties and lines of chaffy and naked oats for feed and universal use that are capable of forming stable grain yields in the conditions of the Kirov oblast and to select the most promising highly adaptive, ecologically plastic genotypes that most fully realize their productive potential under changing environmental conditions. The agroclimatic conditions during the study period were contrasting. The dependence of grain yield on HTC in the period from sowing to heading was established: r = 0.85 for chaffy genotypes and r = 0.87 for naked genotypes. Under the most favorable conditions of 2019, an increase up to 48 days in the duration of the growing season from seedlings to heading in chaffy oats and 47 days in naked oats was observed. This increase favored the development of higher plants—98.2 cm for chaffy and 95.2 cm for naked genotypes—which was, on average, 21.2 cm and 20.5 cm higher for corresponding sets of genotypes, respectively, than under unfavorable conditions of 2021. Among the chaffy genotypes, the Medved’ variety of high-intensity type of universal use was selected. This variety was characterized by high grain yield (6.4 t/ha) and green mass yield (35.3 t/ha) and high plasticity and stability in terms of grain yield. Lines 178h13 and 200h15 with green mass yields of 37.6 t/ha and 25.6 t/ha, respectively, were classified as chaffy oats for mowing. Among the naked genotypes, the highest grain yield was revealed for the Baget variety (4.4 t/ha), and the highest green mass was revealed for line 36h13 (24.8 t/ha). Most of the studied naked genotypes had high plasticity.
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Vologzhanina, E.N., Batalova, G.A. New Promising Varieties and Lines of Chaffy and Naked Oats for Mowing and Universal Use. Russ. Agricult. Sci. 48, 321–327 (2022). https://doi.org/10.3103/S1068367422050123
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DOI: https://doi.org/10.3103/S1068367422050123