Cucumber downy mildew disease confirmed in research plot in southwest Michigan | MSU Extension Vegetables

Downy mildew on cucumber has developed in a small research plot at the Southwest Research and Extension Center in Benton Harbor, Michigan. This is the first confirmed report in Michigan in 2019. Disease symptoms developed over the last several days and this research plot had not been sprayed with any fungicides. Continue Reading

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July 24 Michigan Vegetable updates | MSU Extension Vegetables

West central Michigan vegetable update Cucurbit downy mildew has not been reported in Michigan yet or in the Midwest, but spores were captured back in June. After that initial capture in Allegan County on June 28, no spores were captured through July 15. Powdery mildew was present at one hoophouse I visited, and pumpkin and squash […]

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Phytophthora crown rot on cucurbits and peppers requires an aggressive approach | MSU Extension Vegetables

This plant pathogen lives in the soil and survives Michigan winters. It does not move via air currents but spreads via splash of contaminated soil, surface water such as culverts, rivers, creeks and streams contaminated by run-off from infested fields, and the dumping of diseased culls onto production fields. Phytophthora is especially unique because it can develop […]

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Cucumber downy mildew spores detected | MSU Extension Vegetables

Act now to protect cucumbers from downy mildew. The Hausbeck vegetable pathology lab at Michigan State University has established a network of spore traps in major cucumber production areas of their state. This year, they have the ability to distinguish the spores of cucumber downy mildew from the spores of hop downy mildew . The spores […]

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Watermelon rootstock proves resistant to disease and pests

A new watermelon line, developed by Agricultural Research Service (ARS) and Clemson University scientists, is serving as a solution against major disease and pests of watermelon crops in the southern U.S., says the USDA. The innovative variety is a rootstock watermelon called Carolina Strongback. It is resistant to both Fusarium wilt and the southern root-knot […]

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