Analysis of adaptability of oat varieties and lines by productivity elements in the conditions of Kirov region
https://doi.org/10.30766/2072-9081.2023.24.6.949-957
Abstract
The research was carried out in 2020-2022 in the central part of the Kirov region, under varying weather conditions. In the nursery of the competitive variety testing, 3 varieties and 8 lines of hulled oats were studied in order to analyze their adaptive ability according to the elements of the productivity structure. Varieties and lines were characterized based on the sum of the ranks of the evaluation results according to the methods of S. A. Eberhart, W. A. Rassel (1966), N. A. Plokhinsky (1961), L. A. Zhivotkov et al. (1994), A. A. Rosielle and J. Hamblin (1981). There was a direct statistically significant effect of the mass of 1000 grains, the mass of grain from the panicle, the number of grains in the panicle on the yield (r = 0.62…0.85). The formation of the elements of the productivity structure depended on the hydrothermal conditions of individual periods of vegetation (r = 0.63…0.72). The method of two-factor analysis of variance revealed that the influence of the "year" factor on the elements of the productivity structure was more significant (33.7...64.3 %) than the "grade" factor (8.5...24.6 %). There have been identified lines and varieties able to form consistently high yields in contrasting weather conditions due to certain structural elements or their combined influence. A high adaptive capacity with a minimum amount of ranks was obtained by the number of spikelets in the 41h18 line (Σranks = 17), varieties Kirovsky 2 (Σranks = 14); by the number of grains in the panicle and by the weight of grains from the panicle – line 41h18 (Σranks = 14 and 15); by the weight of 1000 grains – lines 25h18, 91h18, 41h18, 50h18, 162h15 (Σranks = 21…27), varieties Medved’ and Kirovsky 2 (Σranks = 18…22). According to the total lowest sum of ranks (71...97), the Kirovsky grade 2, promising lines 25h18 and 41h18 have been identified.
Keywords
Avéna sativa L.,
index of environmental conditions,
stability,
plasticity,
stress resistance,
temperature,
precipitation,
number of spikelets,
mass of 1000 grains
Supporting agencies: Russian Federation within the state assignment of Federal Agricultural Research Center of the North-East named N. V. Rudnitsky(theme No. FNWE-2022-0007). The authors thank the reviewers for their contribution to the peer review of this work.
About the Authors
O. A. Zhuikova
Federal Agricultural Research Center of the Nort-East named N. V. Rudnitsky
Russian Federation
Russian Federation
Olga A. Zhuikova, PhD in Agricultural Science, senior researcher, Head of the Laboratory of Oat Breeding
Lenin Str., 166a, Kirov, Russian Federation, 610007
G. A. Batalova
Federal Agricultural Research Center of the Nort-East named N. V. Rudnitsky
Russian Federation
Russian Federation
Galina A. Batalova, DSc in Agricultural Science, Academician of the Russian Academy of Sciences, Head of the Department of Oat Breeding, Deputy Director for Breeding Work
Lenin Str., 166a, Kirov, Russian Federation, 610007
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Review
For citations:
Zhuikova O.A., Batalova G.A. Analysis of adaptability of oat varieties and lines by productivity elements in the conditions of Kirov region. Agricultural Science Euro-North-East. 2023;24(6):949-957. (In Russ.) https://doi.org/10.30766/2072-9081.2023.24.6.949-957
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