“Conditions have been favourable for infection by Didymella bryoniae, the causative agent of Gummy Stem Blight. Look for hot spots of stems with oozing lesions, and for distinctive patterns on the skin of butternut squash.” “Powdery mildew pressure remains high. Infection with powdery mildew can reduce fruit quality including poor internal colour development, and infection of […]
Presence of Powdery Mildew a Concern for Southeast Vegetable Growers “Powdery mildew disease is present on older squash in various vegetable fields across South Florida. According to the South Florida Vegetable Pest and Disease Hotline, respondents report that the disease has also started to show up on watermelon crops across the region as well.” Continue […]
Plant Pathologists will discuss Powdery Mildew and Cucurbit Downy mildew in the Vegetable & Cucurbit Session in rooms 201 and 202 on Wednesday: 10:00am: Powdery Mildew Efficacy Trials – What Works Best and Does Chlorothalonil Fit? Dr. Margaret T. McGrath, Cornell U, USA 10:30am: Fruit Rots and Foliar Diseases Dr. Margaret T. McGrath, Cornell U, […]
9:00am Powdery Mildew Update by Doug Higgins from the Hausbeck Lab at MSU
University of Florida presenters at the Florida Ag Expo in November discussed control Downy Mildew, Powdery Mildew, and Gummy Stem Blight on Cucurbits.
Powdery mildew recommendations for the Northeast from the Cornell Vegetable Pathology Extension at Long Island Horticultural Research & Extension Center were recently updated on the CucCAP website Disease Management Pages: Powdery mildew on Cucumber Powdery mildew on Melon Powdery mildew on Squash & Pumpkin Disease information and 2019 fungicide recommendations from the McGrath lab for Powdery […]
Several new pumpkin, squash, and melon varieties that were developed at the NH Agricultural Experiment Station at the University of New Hampshire were released by cooperating seed companies recently. The new varieties exhibit intermediate resistance to powdery mildew disease. Newly released Renegade pumpkin has powdery mildew resistance. The butternut variety Gabrielle an F1 hybrid is similar […]
Long Island Horticultural Research & Extension Center’s Margaret T. McGrath discussed cucurbit disease management in New York at the 2019 Empire State Producers Expo. Managing diseases is an important component of a successful production program for cucurbit crops because there are several diseases that can reduce yield or fruit quality when not adequately managed. The mildews […]