Scab caused by Venturia inaequalis (Cke.) Wint. is the most important fungal disease of apple. The development and deployment of genetic resistance is reliable and a safe option to combat the dreaded disease with palpable advantage as compared to chemical control. A variety Firdous developed by SKUAST-K has been known for its resistance, however, genetic basis of resistance has not been proved or established till date. | Marker based screening of F1 (Firdous x Gala) mapping population for major scab resistance gene Rvi6 in apple (Malus × Domestica)