Symptoms typical of CDM include angular, chlorotic or yellow lesions on the upper surface of the leaves with gray to black spores on the underside of the leaf.
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.
Development of varieties with multiple disease resistances is always an important goal for plant breeders. Dr. Yiqun Weng’s Lab at the Vegetable Crops Research Unit in USDA-ARS, Madison, Wisconsin identified the STAYGREEN gene that is responsible for the PI 197087-derived triple-disease resistances.
Poster Abstract submission is open until October 15, 2018 for Cucurbitaceae 2018. Registration rates increased October 1. CucCAP researchers will participate in this meeting. Follow CUC 2018 on Facebook and Twitter for last minute updates. Program Tuesday Nov. 13 Sessions Genetic Resources Production and Quality Floral and Fruit Development Pathology Poster session Cucurbit Genetics Cooperative […]
West central Michigan vegetable update In cucurbits, cucurbit downy mildew has been on the move in west Michigan. Read more. East Michigan vegetable update Pickling cucumber harvests are rolling. Downy mildew reports are still coming in from the Thumb and southeast Michigan. It is a good time to use Ranman or Orondis Opti on new and older […]
This course will demonstrate pest management in fresh market vegetables in both field and greenhouse (high tunnel) vegetables; primarily for those growing for wholesale auction. A hands-on demonstration of weed, insect and disease identification in vegetables including management options such as inter-row cover crops, grafting and where appropriate, spray options will be used to educate […]
Central Michigan vegetable update For pickles, I do not have any confirmed reports of downy mildew in this part of Michigan yet, however, growers are advised to continue downy mildew fungicide spray programs. The disease has been confirmed in Michigan. See: https://veggies.msu.edu/wp-content/uploads/2018/08/DMCucurbitDownyMildewMap_8.7.18.pdf Harvest of summer squash continues with powdery mildew becoming more prevalent. Read more. Southwest Michigan vegetable update Cucurbit downy […]