Downy mildew causes severe leaf blight on cucurbit crops, including cucumber, melon, squash, and pumpkin.
Cucurbit Downy Mildew
Downy mildew recommendations for cucumbers | MSU Extension
For Michigan to remain the top producer of pickling cucumbers in the U.S., downy mildew must be controlled.
Downy mildew on Squash and Pumpkin
Pseudoperonospora cubensis Downy mildew causes angular, yellow to brown lesions on top of the leaves that are restricted by leaf veins. When conditions are favorable, for example early in the morning when moisture is higher, lesions observed on the underside of the leaf may be covered in dark “down”. This downy growth is masses of […]
Watermelon Disease Management
Watermelon Diseases Cucumber green mottle mosaic virus: Cucumber green mottle mosaic virus (CGMMV) Downy mildew: Pseudoperonospora cubensis Fusarium wilt Fusarium oxysporum f. sp. niveum (F. oxysporum) Gummy stem blight Didymella bryoniae (anamorph = Phoma cucurbitacearum) Papaya ringspot virus : Papaya ringspot virus (PRSV) Phytophthora fruit rot Phytophthora capsici Powdery mildew Podosphaera xanthii Disease Management Resources Cucurbit Disease […]
Squash Disease Management
Squash Diseases Downy Mildew: Pseudoperonospora cubensis Phytophthora blight: Phytophthora capsici Powdery mildew: Podosphaera xanthii Virus diseases Disease Management Links Cucurbit Disease Factsheets Diagnosing and Managing Phytophthora on Squash poster Plant Disease Clinics Forecasters Field Extension Trials Extension Publications Extension and Industry Presentations Plant Disease Management Reports Production Guides Vegetable Pathology Programs
Cucumber Disease Management
Cucumber Diseases Downy Mildew: Pseudoperonospora cubensis Phytophthora fruit rot: Phytophthora capsici Powdery Mildew: Podosphaera xanthii Disease Management Resources Cucurbit Disease Factsheets Plant Disease Clinics Forecasters Cucumber Cultivar Evaluations Extension Publications Extension and Industry Presentations Plant Disease Management Reports Production Guides Vegetable Pathology Programs
Extension Foundation Webinar | Cucurbit Downy Mildew
Managing Cucurbit Downy Mildew in Organic Systems in the Northeast by: Christine Smart of the Department of Plant Pathology and Plant-Microbe Biology at Cornell University shared on YouTube Continue Reading
2016 Great Lakes Expo and Michigan Greenhouse Growers Expo
Mary Hausbeck will speak about Downy Mildew Prevention and Control. Dr. Hausbeck and Charles Krasnow will speak about Phytophthora capsici and Fungicide Management Programs.
