S.No. Wilting percentage Scale Abbreviation 1. No wilting Immune I 2. 0.1-10% Resistant R 3. 10.1-25% Moderately resistant MR 4. 25.1-50 % Moderately susceptible MS 5. 50.1-75% Susceptible S 6. 75 % and above Highly susceptible HS

Table 1: Rating scale was used for grouping of resistance and susceptibility to categories the germplam/varieties.