Cucumber Downy Mildew in Western North Carolina | NC State Plant Pathology

Cucumber Downy Mildew (CDM) has been confirmed on cucumber samples from our sentinel plot in Waynesville, NC (Haywood County) and from commercial growers in Burke and Henderson Counties. Approximately 75-100% of plants were affected. Leaves showed symptoms typical of CDM: angular, chlorotic or yellow lesions on the upper surface of the leaves with gray to […]

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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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Cucumber downy mildew spores detected | MSU Extension

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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Managing Southern Blight in the Southeast | VSCNews

Southern blight is a severe disease of vegetables that favors warm and wet weather common to production in the Southeast. The disease is caused by the soilborne fungus Athelia rolfsii (synonymous with Sclerotium rolfsii), which has a broad host range of over 1,200 plants. Since the phaseout of methyl bromide, outbreaks of southern blight have increased on tomato, […]

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