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IPM Scouting in Stone Fruits

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Peach scab - Cladosporium carpophilum Thüm.
IPM scouting in stone fruits > peach scab
Peach scab is common on peach and apricot. Circular, olive to black, velvety spots are produced on twigs and fruit, less frequently on leaves. Fruit lesions tend to be concentrated at the stem end of fruit and may eventually cause the fruit to crack. Shoot infections are slightly raised and circular to oval, becoming brown with purple margins later in the season. Peach scab
 
Peach scab Peach scab on fruit and a shoot
Additional information
Images on this page provided by Alan L. Jones.

This information was developed from A Pocket Guide for IPM Scouting in Stone Fruits by David Epstein, Larry J. Gut, Alan L. Jones and Kimberly Maxson-Stein. Purchase this in a pocket-sized guide for reference in the orchard from MSU Extension (publication E-2840).
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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Updated 7/24/07