Powdery Mildew

Jan 2, 2020

Managing Cucurbit Diseases | VSCNews

University of Florida presenters at the Florida Ag Expo in November discussed control Downy Mildew, Powdery Mildew, and Gummy Stem Blight on Cucurbits.

May 13, 2019

Cornell Vegetable Pathology shares insights on cucurbit disease management

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. Disease information and 2019 fungicide recommendations from the McGrath lab for Powdery mildew, downy mildew and Phytophthora blight were recently published in Proceedings of the 2019 Empire State Producers Expo.

Apr 10, 2019

UNH breeding releases new cucurbits available for 2019 | VGN

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.

Mar 25, 2019

UNH Squash Breeding Program

The squash breeding work by Dr. Brent Loy, emeritus professor of plant genetics at UNH has resulted in the commercial release of several new cucurbit varieties that exhibit intermediate resistance to powdery mildew disease. Three new pumpkins, a summer squash, a butternut squash and a melon have been released and are available in 2019 seed catalogues.

Mar 19, 2019

Managing Mildews and Phytophthora Blight Successfully in 2019 | Cornell Vegetable Program

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…

Nov 11, 2018

Resistance to Fungicides in Vegetable Pathogens: Current Situation and Strategies for Managing | Cornell Vegetable Pathology

Multi-fungicide resistance remains a constant concern, exemplified by cucurbit powdery mildew isolates present on Long Island that are resistant to 6 different fungicide chemistries.

Sep 7, 2018

September 5 Vegetable Updates | MSU

Pumpkin management in the final stretch The evidence of proper management shows up now. Some issues can still be addressed, but others required attention months ago. Poor control of Powdery Mildew will result in defoliation, sunburned fruit and weak, brown handles. There is limited effectiveness with rescue sprays for powdery. Fruit rots are triggered in some fields…

Aug 31, 2018

August 31 Vegetable Production Update | NC State

Powdery Mildew on cucumber and squash in Western North Carolina Powdery Mildew is caused by the fungal pathogens Podosphaera xanthii and Erysiphe cichoracearum. Disease can occur on all cucurbit crops. However, due to the incorporation of resistance genes, most commercial cucumber and melon cultivars are less susceptible. High-humidity (50-90%), moderate temperatures (68 to 80 ℉),…

Aug 1, 2018

Michigan Vegetable Crop Updates | MSU Extension

Southwest Michigan vegetable update – Aug. 1, 2018 Cucurbit downy mildew is now present throughout the area, so a tighter spray schedule with more effective products is advised. Morning dew conditions will continue to be conducive for powdery mildew spread. Read more Southeast Michigan vegetable update – Aug. 1, 2018 In cucumbers, downy mildew reports continue to…

Jul 25, 2018

Mid-July Michigan Vegetable updates | MSU Extension

Michigan extension agents report on cucurbit crops in five regions of the state.