The Cucurbit Downy mildew ipmPIPE forcasts the likelihood of a CDM outbreak and reports outbreaks of the disease. August 10, 2019: New report from VA. CDM has been confirmed in Suffolk County, VA. August 8, 2019: First report from RI. New reports from SC, PA, and MD. CDM has been confirmed on butternut squash in […]
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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 […]
July 31 Michigan Vegetable Updates | MSU Extension
Southwest Michigan vegetable update Vine crop producers need to be aware that downy mildew has been confirmed at the Southwest Michigan Research and Extension Center. We found it on an unsprayed plot of pickles that we have since sprayed. Downy mildew is easiest to spot in the early morning when leaves are wet from dew. […]
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
Cucurbit Downy Mildew ipmPIPE July epidemic updates
The Cucurbit downy mildew forecast is provided by the North Carolina State University departments of Plant Pathology & Marine, Earth, and Atmospheric Sciences. The website provides a map of recent outbreaks and lists outbreaks. Outbreaks for June & July 2019 are listed. July 11 – Cucurbit Downy Mildew has been confirmed in Accomack and Chesterfield […]
Fusarium Wilt Management in Watermelons | VSCNews
Fusarium Wilt has a host range limited to watermelon. However, there are different types of this pathogen that can infect squash, cucumbers and other melons, but these types do not infect watermelon and vice versa. This is one reason why grafting with squash or other cucurbit rootstocks can nearly eliminate Fusarium Wilt. Continue Reading
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 […]
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, […]
