attribute method_of Observe Rust severity and response and record the note. Severity†is recorded as a percentage, according to the modifed Cobb using: Trace, 5, 10, 20, 40, 60, 100. Response is recorded following the scale: 0-No visible infection, R-Resistant, MR-Moderately Resistant, M-Intermediate, MS-Moderately Susceptible, S-Susceptible. Rust severity and response notes - Estimation scale_of variable_of acronym entity