Abstract
The complex assessment has been given to the pea varieties permitted for use by productivity and parameters of the adaptive ability based on the results of their test in three natural and climatic zones in Tyumen oblast. The best varieties by average productivity have been found—in conditions of subtaiga, Yamal’skii; in northern forest steppe, Yamal; and in southern forest steppe, Omskii 9. All varieties had strong variability of productivity. The highest level of realization of productivity potential of varieties was noticed in the conditions of subtaiga. The highest general adaptive ability was peculiar to the varieties Yamal’skii, Agrointel, and Yamal; and the largest values of a variance of the specific adaptive ability were detected in the varieties Omskii 9, Batrak, and Tyumenets. By plasticity, the varieties were divided into three groups: weakly responsive to the improvement of conditions (b i < 1)—Omskii 9 and Batrak; intensive, with high response to the improvement of conditions (b i > 1)—Yamal and Agrointel; and plastic, changing the productivity of which fully corresponds changing the growth environment (b i = 1)—Tyumenets and Yamal.
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Original Russian Text © V.A. Sapega, 2015, published in Doklady Rossiiskoi Akademii Sel’skokhozyaistvennykh Nauk, 2015, No. 5, pp. 14–17.
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Sapega, V.A. Productivity and parameters of the adaptive ability and stability of pea varieties. Russ. Agricult. Sci. 41, 429–433 (2015). https://doi.org/10.3103/S1068367415060208
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DOI: https://doi.org/10.3103/S1068367415060208