Cucurbit Downy Mildew

Aug 3, 2018

August 3 Michigan vegetable update | MSU

In cucurbits, cucurbit downy mildew was detected at additional sites in southwest Michigan as well as in Saginaw and Arenac counties over the last week; it is on the move and cucumbers and melons need to be protected. Phytophthora capsici was causing fruit rot and leaf lesions in one zucchini field and root, crown and petiole rot in other fields after last week’s wetter weather.

Jul 31, 2018

Cucurbit Downy Mildew Forecast and Epidemic History | ipmPIPE

June 2018 to August 2018 Downy Mildew Epidemic Updates

Jul 31, 2018

Advice for Managing Watermelon Diseases | VGN

Phytophthora, fusarium wilt, anthracnose, downy mildew and gummy stem blight are the biggest issues that Nicholas Dufault, University of Florida associate professor and Extension plant pathologist, has seen. These are the most common diseases in Florida-grown watermelons.

Jul 26, 2018

Downy mildew found in Michigan cucumbers in 2018 | MSU Extension Vegetables

Growers on the west side of Michigan should consider fungicide sprays for cucumbers and melons (watermelons, cantaloupe, muskmelon) now that downy mildew has been verified in Berrien County on July 24, 2018. Read this article from MSU Extension about the downy mildew outbreak.  

Jul 26, 2018

2018 Downy Mildew Control Strategy for Cucumber Crops

The 2018 Cucumber Downy Mildew Control Strategy has a list of the most effective downy mildew control products registered for use in Ontario.  It also includes information on spray scheduling and timing. Cucurbit Downy Mildew Update – July 26, 2018

Jul 25, 2018

Mid-July Michigan Vegetable updates | MSU Extension

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

Jul 20, 2018

Cucumber Downy Mildew Confirmed in Henderson County, NC | NC State

FROM Extension Plant Pathology: Cucurbit downy mildew (CDM) was confirmed on a cucumber leaf from a commercial field in Henderson County on July 20, 2018. This is the first report of CDM in western NC. Read more about the first report of CDM in western N.C. this year.

Jul 19, 2018

Dr. Quesada requests your participation in a survey that aims to understand the impact of downy mildew in cucurbit production

Dr. Lina Quesada-Ocampo, Vegetable Pathologist at NC State University, is part of a multi-state USDA food security grant focused on improving detection and management of cucurbit downy mildew. As part of this effort, researchers in several cucurbit producing states would like to learn more about the needs of watermelon growers and producers. Dr. Quesada kindly…

Jul 18, 2018

July 2018 Cucurbit Downy Mildew Update

If you suspect downy mildew in your field, please report it to OMAFRA so we can ensure that the ipmPIPEforecasts are accurate and up-to-date. Cucurbit Downy Mildew Update – July 18, 2018  

Jul 5, 2018

Downy mildew, late blight seen in mid-Atlantic region | VGN

Downy mildew has most recently been confirmed on cucumbers in southern New Jersey and Maryland. Sources of the disease are continuing to build in the southeastern U.S., but the current weather patterns are favoring a local rather than long-range spread of the disease to the mid-Atlantic region. Since downy mildew disease forecasting is an important…