method_of resistant, 9 4 (1 resistant, 9 6 (1 scale_of 9 (1 resistant, 9 resistant, 9 8 (1 entity 3 (1 resistant, 9 5 (1 resistant, 9 variable_of resistant, 9 1 (1 7 (1 resistant, 9 resistant, 9 2 (1 attribute acronym ISU Susceptibility scale (1-9)