Description of the bread wheat varieties of Ukrainian and Russian breeding by alleles of locus csLV34 closely linked with multipathogen resistance gene Lr34/Yr18/Pm38

Abstract

Codominant molecular-genetic marker csLV3 was used to examine a collection of bread wheat varieties created in the main plant breeding centers of Ukraine and Russia from 1912 to 2011. Two allelic variants csLV34a and csLV34b associated, respectively, with the absence and presence of gene Lr34/Yr18/Pm38 were revealed. Allele csLV34b, commonly found among varieties of Ukrainian breeding, is especially common in varieties of the Plant Breeding and Genetics Institute (Odessa). The results can be used in breeding programs to select wheat varieties with gene Lr34/Yr18/Pm38 for use in crossing with varieties carrying the race nonspecific genes and develop new varieties with better resistance to fungal diseases.