Contact: Brian Wallheimer
bwallhei@purdue.edu
765-496-2050
Purdue University

Janna Beckerman, Purdue University

Caption: Janna Beckerman examines a Ralph Shay crabapple tree that is infected with apple scab. The fungus shows up as brown lesions on the leaves and fruit of crabapple trees, causing early defoliation.

Credit: Purdue Agricultural Communication photo/Tom Campbell

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