Classification of common spring wheat varieties according to genetic quality potential (grain hardness and high molecular weight glutenin subunits)

It is shown that common spring wheat varieties and specimens of Kazakhstan and of the KASIP-4 regional network are mainly classified as medium-hard and hard, with the exception of vars. Lutescens 54, Lutescens 30–94, and E-607. A considerable part of the gene pool is represented by potentially high-quality varieties with the formula 2*7+9 5+10 (9 points), 30%; 1 7+9 5+10 (9 points), 4%; 1 7+8 5+10 (10 points), 7%. An original subunit 5.5+10 on chromosome 1D was found in varieties Akmola 3, Tselinogradka, and Tselinnaya 24.