Reaction of the plant or plant part to Phakopsora pachyrhizi infection.
Source:
SoyTO:004
Comment
The anamorph of Phakopsora pachyrhizi is Malupa sojae. Disease severity scale is 1= no visible lesions, 2= few scattered lesions present, 3= moderate number of lesions on at least part of the leaf, 4= abundant number of lesions on part of the leaf, 5= prolific lesions over most of the leaf. Note, measurements taken on the first trifoliolate leaf but other leaf nodes have been used.