Resistance of pea varieties to aschochyta blight in varying environmental сonditions

Results of estimation of resistance level and adaptive potential of pea varieties against aschochyta blight in infectious background under varying weather conditions for 2013-2016 (HTC from 0.70 up to 1.61). Two hundred and eighty two varieties of pea of domestic and foreign breeding were analysed....

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Bibliographic Details
Main Author: T. P. Gradoboeva
Format: Article
Language:Russian
Published: Federal Agricultural Research Center of the North-East named N.V. Rudnitsky 2017-04-01
Series:Аграрная наука Евро-Северо-Востока
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Online Access:https://www.agronauka-sv.ru/jour/article/view/110
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Summary:Results of estimation of resistance level and adaptive potential of pea varieties against aschochyta blight in infectious background under varying weather conditions for 2013-2016 (HTC from 0.70 up to 1.61). Two hundred and eighty two varieties of pea of domestic and foreign breeding were analysed. During investigation period 11.8% of varieties had resistance to black-spot aschochytosis estimated by beans, and 5.0% - to light-spot one. Resistance of beans and high resistance of seeds to light-spot aschochytosis (Е-182, Д-23417, and Е-3767) and dark-spot aschochytosis (Verkholuzskaya, Е-413, Е-3588, Е-3923, and Е-3598) was revealed. This trait was more stable in varieties Stabil (V = 14.9%), Е-3923 (V = 25.1%), D-23417 (V = 44.1%), and Е-3767 (V = 45.1%). These varieties may be used in breeding as sources of resistance to disease. Most part of varieties selected by resistance to aschochytosis belongs to intensive type varieties (bi>1). Varieties Ryabchik, Е-246, Valleg Fanndation, and D-23417 weakly react to change of environmental factors (bi
ISSN:2072-9081
2500-1396