DIFFENBACHIA         
DISEASES


BACTERIAL LEAF SPOT

Lesions develop on all parts of the leaf except on the midrib. Lesions begin as small, yellow, water-soaked areas that enlarge and turn tan or reddish.

Photo by Plant Disease Clinic
ANTHRACNOSE

Tan to dark brown, roughly circular lesions form on leaves. Dark fungal reproductive structures may sometimes be seen in the center of lesions.

Photo by Plant Disease Clinic
FUNGAL LEAF SPOT

Tiny water-soaked lesions develop across leaf. Mature lesions are usually circular and have an orange-yellow halo. Dark fungal reproductive structures can sometimes be seen in the center of lesions.

Photo by Plant Disease Clinic


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This page developed and maintained by Janna L. Beckerman, Ph.D. and Elizabeth Wiggins

Department of Plant Pathology
495 Borlaug Hall
1991 Upper Buford Circle
St. Paul, MN 55108
Comments? Email to janna@umn.edu