“Downy Mildew was identified today in a commercial cucumber field in Kent County, Ontario. The disease had previously been identified in the Great Lakes area, in Michigan on June 22nd. Risk remains high now that the disease has been confirmed in Ontario despite hot, dry weather.”
Cucurbit Downy Mildew
Breeding for Hardiness—the Organic Way | Cornell Research
“Breeding pest and disease tolerance into a plant can take a long time. For some years, Mazourek has been addressing the threat caused by downy mildew, a fungus-like pathogen that attacks plants in the cucurbits family.”
Cucumber downy mildew moves across Michigan | MSU Extension
Downy mildew on cucumber plants has been verified on two farms in Monroe County, which is located in southeast Michigan. This is the first confirmation of this devastating disease on the east side of the state for 2020.
Cucumber Downy Mildew Confirmed in the Great Lakes Region
Cucumber downy mildew has NOT been identified in Ontario, but the risk is high. Growers are advised to use a downy mildew specific fungicide program, if this hasn’t been started.
First cucumber downy mildew outbreak of 2020 confirmed in Berrien County | MSU Extension Vegetables
Downy mildew on cucumber has been verified in Berrien County, which is located in southwest Michigan.
Cucumber downy mildew update on spore detection | MSU Extension Vegetables
Our molecular analysis of the spore trap samples from Berrien County has recently confirmed cucumber downy mildew spores in the air for June 8, 10 and 13, 2020. For the Muskegon spore trap, there was a positive for cucumber downy mildew spores for June 8.
Cucumber Downy Mildew Found in Johnston County | NC State Extension
Cucumber downy mildew, caused by the oomycete pathogen Pseudoperonospora cubensis, has been found in a commercial cucumber field in Johnston County.
