August 7 Michigan Vegetable Updates | MSU Extension

The Michigan State University Vegetable Pathology Lab teams up with Michigan State Extension to publish vegetable updates throughout the growing season. View the July 31 update here. Southeast Michigan vegetable update In pumpkins and winter squash, downy mildew has been found on hard squash in Pennsylvania and Tennessee. Downy mildew is a complex disease with […]

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

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

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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New photo gallery: Choanephora fruit rot of summer squash | Cornell Cooperative Extension

The Long Island Horticultural Research & Extension Center in Riverhead, NY added a new photo gallery to their Cucurbit Disease collection for Choanephora fruit rot of summer squash. This common disease occurs when humidity and temperature are both high. Symptoms usually start to develop at the blossom end of fruit touching the ground. The pathogen is in […]

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