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Phytophthora blight in vegetables and other cucurbits is complicated by the fact that downy mildew may also be a problem. While similar in some ways, Phytophthora blight is different from downy mildew in a number of ways. Phytophthora movement through the air is limited, unlike downy mildew. Phytophthora survives over winter and thrives in hot weather, whereas downy mildew thrives in cooler weather. Phytophthora has to be introduced into a field, usually by contaminated water or movement of soil. Both…

Get a gameplan for managing Phytophthora rot in zucchini and winter squash grown for Michigan’s processing industry. Our special guest Dr. Chris Smart of Cornell University will team up with Dr. Mary Hausbeck to share real-world management strategies for this disease based on years of research on Phytophthora-infested ground.

Learn the latest research-based strategies for managing cucurbit downy mildew and Phytophthora capsici in pickling cucumbers. Our special guest Dr. Lina Quesada-Ocampo of North Carolina State University—a national leader in research on cucurbit downy mildew-will partner with Dr. Mary Hausbeck to give an in-depth overview of the biology and control of these devastating diseases.