entity attribute variable_of method_of acronym scale_of Crown rust infection type seedling NQBB A qualitative analysis of the type of disease symptoms exhibited by seedlings inoculated with crown rust (Puccinia coronata f. sp. avenae) race NQBB during greenhouse trials. Ratings made using the scale from Murphy (1935) immune/nearly immune= 0, highly resistant= 1, moderately resistant= 2, moderately susceptible= 3, and completely susceptible= 4.