Analysis of Hybrid Necrosis Genes in Winter Common Wheat ( Triticum aestivum L.) Cultivars

Abstract

The presence of hybrid necrosis genes was analyzed in 86 winter common wheat cultivars included in different years in the unified State Register of the Russian Federation for commercial use. Crossings with testers showed the absence of the Ne1 gene in the genotypes. The presence of the Ne2 gene was demonstrated in 46 cultivars (53.5% of the cultivars studied), and 40 cultivars (46.5%) were noncarriers (genotype ne1ne1ne2ne2) of hybrid necrosis genes. The Ne2 genotypes were characterized for allele strength. It was shown that moderate–m (3.6%) and strong–s (27.9%) alleles of the Ne2 gene prevailed in the cultivars analyzed.

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