Two methods of evaluation of resistance to preharvest sproutingof spring bread wheat in the volga region
A comparative assessment was made of the historical 10 white and 10 red grains varieties of spring soft wheat, two from the red grain (Poltavka and the Local Rusak are the result of local peasant breeding in the ХIХ century), and the remaining 18 varieties were created by the breeding laboratory of the Agricultural Reseаrch Institute for South-East Region for the period from 1910 to 2012 year. All of these varieties, with the exception of the variety Steklovidnaya 1, were successfully cultivated on millions of hectares of crops in the Volga region and several other regions of the country. According to a two-year study, significant differences were found between varieties on the basis of signs the percentage of germination and the index of germination. Erythrospermum 82/02, Saratovskaya 29, Saratovskaya 62 and Saratovskaya 68 showed the highest resistance to pre-harvest germination among the red grains, and Sarrubra among the white grains. However, in Sarrubra, the level of resistance to pre-harvest germination is lower than that of the red grain varieties. The combination of the two methods (germination percentage and germination index) makes it possible to more fully and objectively evaluate wheat breeding material.