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Fruit Crop Alert Staff

arrowFruit growth stages
Vol. 22, No. 7, May 22, 2007
 
Blossom blight in blueberries
Annemiek Schilder
Plant Pathology
   
Phomopsis twig blight. Blueberry flower cluster killed by phomopsis twig blight.
Photo 1. Brown, spreading lesion on stem is typical of Phomopsis twig blight. Photo credit: Phillip Wharton, MSU.
Photo2. Blueberry flower cluster killed by Phomopsis twig blight. Note brown discoloration of subtending twig.
Flower cluster killed by the mummy berry fungus. Flower cluster killed by Botrytis cinerea.
Photo 3. Flower cluster killed by the mummy berry fungus (Monilinia vaccinii-corymbosi) with characteristic layer of gray powdery spores on cluster stem and flower stem. Photo credit: Peter Oudemans, Rutgers University.
Photo 4. Flower cluster killed by Botrytis cinerea showing layer of grayish brown powdery spores all over flower cluster. Photo credit: Bill Cline, NC State University.
 
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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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