1. UC IPM
Yellowish spots on the upper side of a peach leaf (right) caused by rust, <i>Tranzschelia discolor</i>. Reddish brown spores of the rust fungus have developed in lesions on the underside of an adjacent leaf.
Yellowish spots on the upper side of a peach leaf (right) caused by rust, Tranzschelia discolor. Reddish brown spores of the rust fungus have developed in lesions on the underside of an adjacent leaf.
Credit: Jack Kelly Clark