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P&PDL Picture of the Week



Scab of Crabapple

Peggy Sellers, Purdue University

With the wet weather we have been having in Indiana, there is also a lot of scab of crabapples and apples caused by the fungus Venturia inaequalis. A wide range of symptoms have been observed this year from a few leaf spots, to what some may term "sheet scab," to yellow leaves and premature leafdrop. Please refer to the following publications for more info on apple scab:

Click on the small image to view a larger image.

Scab of Crabapple Scab of Crabapple
Scab of Crabapple
(Photos by Peggy Sellers)
Scab of Crabapple Scab of Crabapple
Scab of Crabapple
(Photos by Peggy Sellers)
Scab of Crabapple
Sheet scab caused by excessive rain resulting in scorch-like symptoms on crabapple (Photo by Gail Ruhl)

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Last updated: 12 June 2002/tlm.
The Plant & Pest Diagnostic Laboratory at Purdue University.