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. Disease symptoms developed over the last several days and this research plot had not been sprayed with any fungicides. Continue Reading
Cucurbit Downy Mildew
Cucumber downy mildew update | MSU Vegetable Extension
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 […]
Mountain Research Station Field Day
Cucurbit Downy Mildew ipmPIPE July epidemic updates
The Cucurbit downy mildew forecast is provided by the North Carolina State University departments of Plant Pathology & Marine, Earth, and Atmospheric Sciences. The website provides a map of recent outbreaks and lists outbreaks. Outbreaks for June & July 2019 are listed. July 11 – Cucurbit Downy Mildew has been confirmed in Accomack and Chesterfield […]
Cucumber downy mildew spores detected | MSU Extension
Act now to protect cucumbers from downy mildew. The Hausbeck vegetable pathology lab at Michigan State University has established a network of spore traps in major cucumber production areas of their state. This year, they have the ability to distinguish the spores of cucumber downy mildew from the spores of hop downy mildew . The spores […]
Cucurbit Downy Mildew ipmPIPE epidemic updates
The Cucurbit downy mildew forecast is provided by the North Carolina State University departments of Plant Pathology & Marine, Earth, and Atmospheric Sciences. The website provides a map of recent outbreaks and lists outbreaks. Outbreaks for May & June 2019 are listed. 17 June: New report from GA. CDM has been confirmed in Ben Hill […]
Cucumber downy mildew detected in NC | NC State
Characteristic symptoms include angular, chlorotic lesions on the upper surface of cucurbit leaves and gray sporulation on the underside of the leaves. Sporangiophore structures typical of Pseudoperonospora cubensis, causal agent of CDM, can be observed using a hand lens or under a dissecting microscope. Continue Reading
CucCAP Plant Pathologists conduct Disease Management Workshops
Extension vegetable pathologist Mary Hausbeck was joined by CucCAP plant pathologists Lina Quesada from NC State and Chris Smart from Cornell University for a series of disease management workshops in Michigan. These winter workshops for vegetable growers provided an in-depth overview of the biology and control of cucurbit downy mildew and Phytophthora capsici in pickling cucumbers […]
