Cucurbit downy mildew has been confirmed on cucumber at one location in Norfolk County and two additional locations in Kent County. Squash bugs are active on pumpkins and squash.
Cucurbit Downy Mildew
Michigan vegetable crop report – July 14, 2021
Michigan Extension agents and vegetable specialists report on pickling cucumbers, butternut squash, pumpkins and acorn squash this week and make recomendations for downy mildew control.
South Carolina Extension updates | VSCNews
Michigan vegetable crop report – June 30, 2021
The recent overcast, humid, and wet conditions ensure that the sporangia will survive being transported via air currents from a diseased field to healthy cucumbers.
Downy mildew identified in Ontario cucumbers
Plants in most areas are still very small and many grower will not have started their preventative fungicide programs. Now that the disease has been confirmed in Ontario, fungicides should be applied as soon as possible.
Cucurbit Downy Mildew epidemic updates June 2021 | ipmPIPE
Recent Updates: June 16: First reports from NC and MS. CDM has been confirmed on cucumber in Lenoir County, NC; and on cucumber and cantaloupe in Kemper County, MS.
Cucumber Downy Mildew Found in North Carolina
Pseudoperonospora cubensis, the causal agent of cucurbit downy mildew (CDM), was confirmed on cucumbers in Lenoir county on June 15. The sample was part of the CDM sentinel plots yearly deployed by the NC State Vegetable Pathology Lab.
Downy Mildew Spores Identified in Michigan
First cucurbit downy mildew spores identified in air samples in Allegan County
by: Mary Hausbeck, Annika Peterson and Doug Higgins