Determination of marker alleles linked to scab resistance in multiresistant Hungarian apple cultivars
The aim of the Hungarian apple breeding program carried out from 1990 until 2016 was to widen the Hungarian apple assortment by resistant and tolerant cultivars with high fruit quality. The main aim was pyramiding of resistance genes in the new scab resistant genotypes. It is important to detect the marker alleles linked to scab resistance using SCAR and SSR markers. Marker analyses were performed on seven apple cultivars and two cultivar candidates (Artemisz, Cordelia, Hesztia, Rosmerta, Bellona, Damara, Isolda, MR-18 (accepted name: Feronia) and MR-19 (Veritas) originated from the Hungarian apple resistance breeding program. Rvi1, Rvi2, Rvi4, Rvi6, Rvi8, Rvi15 resistance loci were analysed using SCAR (AD13, OPL19, OPB18 and AL07) and SSR (CH05e03, CH02b10, CH02c02a and CH01d03) markers. The tested cultivars carry 1-5 resistance genes. In our previous experiments Rvi1, Rvi6 and Rvi4 alleles have been detected in the cultivars using CH01d03, AD13, AL07 and OPL19 markers. By repeating this marker analysis most of the results were confirmed in the current study, but the composition of the resistance genes in Bellona, Damara and Feronia needed to be corrected.
Király, I., Mihálka, V., Hüvely, A., Pető, J., Palkovics, A. and Tóth, M. (2020). Determination of marker alleles linked to scab resistance in multiresistant Hungarian apple cultivars. Acta Hortic. 1289, 49-54
Malus × domestica, Venturia inaequalis, scab, resistance breeding, marker analysis