Assessing the allele state in the gene of stability to scab in apple tree varieties by the use of molecular markers
The results of molecular genetic analysis of apple cultivars at the gene Vf the determining immunity to scab, were represented. The immune to scab genotypes were identified by using molecular markers VfC and AL07-SCAR. The allelic state of Vf gene in resistant and susceptible forms was revealed. In most of the analyzed collection scab resistant cultivar of apple were heterozygous for the gene Vf(Vfvf). Cultivar Freedom contains the gene Vf in the dominant homozygous state (VfVf).