CucCAP vegetable pathologist, Lina Quesada – Ocampo discussed vegetable diseases including Fusarium wilt of watermelon at the December 2019 Ag Expo sponsored by the NC Vegetable Grower’s Association. Highlights of her talk were featured in the July 2020 issue of Vegetable Grower’s News. Continue Reading
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. Growers were advised to use a downy mildew specific fungicide program once the disease was found in the Great Lakes area. Risk remains high now that […]
How to Take a Photo for Crop Diagnostics With the current push to work remotely, using pictures to quickly address production questions has a lot of appeal and utility but the images must be of high quality. Continue Reading Cornell Commercial Vegetable Guidelines Available The 2020 Cornell Integrated Crop and Pest Management Guidelines for Commercial […]
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. Continue Reading
Fruit rot caused by Pythium species can be confused for that caused by Phytophthora capsici, another oomycete pathogen, because they both produce white growth on affected fruit. Continue Reading
The pathogen has a very large host range and infects a large diversity of plants including many other crops and also ornamental plants and broadleaf weeds.
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.
Downy mildew on cucumber has been verified in Berrien County, which is located in southwest Michigan.