One of the most serious diseases in vegetable production in Georgia is Phytophthora blight, caused by the oomycete pathogen Phytophthora capsici. It is a water mold that attacks the roots, foliage, and fruit, causing root rot, crown rot, leaf lesions, fruit rot, and plant wilt. The disease affects peppers, squash, watermelon, cucumber, cantaloupe, and other vegetable […]
Changes in Winter Squash Fruit Exocarp Structure Associated with Age-Related Resistance to Phytophthora capsici by Safa A. Alzohairy, Ray Hammerschmidt, and Mary K. Hausbeck Published Online:27 Aug 2019 Phytophthora capsici is a destructive pathogen of cucurbits causing root, crown, and fruit rot. Winter squash (Cucurbita sp.) production is limited by this pathogen in Michigan and other U.S. growing […]
Extension vegetable pathologist Mary Hausbeck was joined by CucCAP plant pathologists Lina Quesada from NC State and Chris Smart from Cornell University for a series of disease management workshops in Michigan. These winter workshops for vegetable growers provided an in-depth overview of the biology and control of cucurbit downy mildew and Phytophthora capsici in pickling cucumbers […]
West central Michigan vegetable update – Aug. 3, 2018 In cucurbits, cucurbit downy mildew was detected at additional sites in southwest Michigan as well as in Saginaw and Arenac counties over the last week; it is on the move and cucumbers and melons need to be protected. Phytophthora capsici was causing fruit rot and leaf lesions in […]
Dr. Mary Hausbeck, a member of the CucCAP Pathology team, will present: Fungicides & Diseases: Managing Diseases for Higher Profitability and a Safer Environment Explore management strategies that tackle a persistent, soil-borne mold called Phytophthora capsici that kills plants and rots fruit. Producers will have the opportunity to observe field studies in squash and peppers to […]
The soil borne bacteria, Phytophthora capsici, spreads rapidly via water and can infect cucumbers, zucchini, summer and winter squash, watermelons, cantaloupes, pumpkins, peppers, eggplants, tomatoes and succulent beans. Read more about the destructive bacteria Phytophthora capsici.
Michigan’s multimillion dollar cucumber crop has two enemies: Phytophthora capsici and downy mildew. These create significant problems with growing cucumbers and all vegetables in the cucurbit class, such… Read More
Mary K. Hausbeck from MSU Department of Plant, Soil and Microbial Sciences spoke about Downy Mildew Prevention and control at the Great Lakes Expo on December 6 in the Pickling Cucumber Session. In the Phytophthora session, Dr. Hausbeck spoke about Phytophthora capsici: Pathogen Biology and Management Strategies.