Cucurbit Downy 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.

Oct 4, 2019

UF Research Shows Best Fungicides for Downy Mildew | VSCNews

Growers can learn about research on pest control for specialty crops at the upcoming Florida Ag Expo: View the agenda here. We’re looking at ways to try to minimize the development of fungicide resistance as well as ways to try to make programs more cost-effective.

Oct 3, 2019

September 15 – 30 Cucurbit Downy Mildew epidemic updates | ipmPIPE

Between September 13 and 30 CDM was reported in OH, MS, WV, NY, PA, VA, MD, and AR on jack-o-lantern pumpkin and cucumber.

Sep 17, 2019

September 1 – 15 Cucurbit Downy Mildew epidemic updates | ipmPIPE

Between August 30 and September 13 CDM has been confirmed in AR, MS, KY, NY, WI, NH, OH, PA, MI, SC, VA and MA, on jack-o-lantern pumpkin, 'Waldo' winter squash, cucumber, watermelon, butternut squash, acorn squash, and yellow squash.

Aug 21, 2019

Cucumber downy mildew moves across Michigan | MSU Extension Vegetables

Downy mildew on cucumber has been verified in three counties on the west side of Michigan and one county on the east side of Michigan. Cantaloupe crops are also at risk.

Aug 12, 2019

Cucurbit Downy Mildew ipmPIPE epidemic updates

During this reporting period, CDM was reported in VA, RI, SC, PA, MD, NC, TN, NJ, MI, and MA on butternut squash, cucumber, and pumpkin.

Jul 31, 2019

Cucumber Downy Mildew in Western North Carolina | NC State Plant Pathology

Cucumber Downy Mildew (CDM) has been confirmed on cucumber samples in sentinel plots in NC. Leaves showed symptoms typical of CDM: angular, chlorotic or yellow lesions on the upper surface of the leaves with gray to black spores on the underside of the leaf.

Jul 29, 2019

Cucumber downy mildew disease confirmed in research plot in southwest Michigan | MSU Extension Vegetables

Downy mildew on cucumber has developed in a small research plot at the Southwest Research and Extension Center in Benton Harbor, Michigan. This is the first confirmed report in Michigan in 2019.

Jul 27, 2019

Cucurbit Downy Mildew Update | Cornell Cooperative Extension

Up until this week, most of eastern NY was under "low risk" of spores blowing in.  However, the CDM Forecasting System now lists NY at high risk for CDM (especially cucumbers).

Jul 23, 2019

Cucumber downy mildew update | MSU Extension Vegetables

Downy mildew on cucumber or any other cucurbit has not been confirmed yet in 2019 in Michigan or in adjacent states of the Great Lakes region. Our molecular analysis of the spore traps has recently confirmed cucumber downy mildew spores in the air via our molecular testing a couple of times, but this has not happened frequently or to the level that might be expected if downy mildew was well established in our production areas.