Abstract

Common scab of potato adversely affects the market value and reduces the economic values of potato due to presence of obnoxious black spots on skin of tubers. In present study twelve potato cultivars (SH-692, SH-704, Cardinal, FD-71-1, Sante, FD-51-5, FD-96-1, FD-63-1, FD-70-1, FD-8-3, FD-8-1, Asterix) were screened against disease in experimental area of department of Plant Pathology University of Agriculture Fasilabad during 2011-12. Among these twelve potato cultivars SH-692, SH-704 and Cardinal were least susceptible and showed disease incidence 32.60%, 53.80%, 4.80% respectively. Highly susceptible cultivars were FD-96-1, FD-63-1, FD-70-1, FD-3, FD-1 and Astarix and showed disease incidence 6.80%, 11.80%, 37.80%, 53.80%, 27.80 and 39.80% respectively. Previously reported resistance verity Asterix was highly susceptible in present study

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