Resistance of winter soft wheat varieties to leaf and yellow rust in the conditions of the Central Chernozem region of Russia

In 2020, resistance to leaf and yellow rust in 62 varieties of winter soft wheat recommended for cultivation the Central Chernozem region Russia was characterized. Varieties resistant two species (group resistance) (16%) or one them (18% yellow, 1% rust) have been identified. Moderate level group both types (disease severity up 15%) shown Moskovskaya 56, 70 Latynevka. Bogdanka, Volzhskaya 100, K, Izyuminka, Lidiya, Odesskaya 200, Rubin were characterized by moderate weak susceptibility rust. For first time conditions Tambov region, virulence pathogen studied, racial composition Two races 79E190 15E144 revealed among isolates P. striiformis use a set differential lines analysis. All avirulent Avocet with genes Yr5, Yr10, Yr12, Yr17, Yr24 YrAR.