Screening for resistance in wheat against aphid Sitobion avenae F.

Relative resistance in wheat 10 varieties/genotypes against aphid, Sitobion avenae F. was evaluated under the field conditions at the University Research Farm, Sher-e-Kashmir University of Agricultural Sciences & Technology- Jammu, Main Campus, Chatha during rabi 2010–11 and 2011–12. A lone variety RSP-561 was found to be resistant, while, HI-1454, HI-1544, PBW-373, JAUW-584, PBW-343, DBW-17 and RAJ-3765 were moderately resistant. Others were categorized as susceptible which included HI-1500 and PBW-175 susceptible check. It was observed that leaf area had a significant negative correlation with aphid population.