Matthew is evaluating fungicide sensitivity of CDM to single fungicide products and efficacy of forecasters in controlling CDM and spore trapping of P. cubensis using impaction spore traps.
Cucurbit Downy Mildew
Cucurbit Downy Mildew epidemic updates September 2021 | ipmPIPE
New reports of CDM on butternut squash, acorn squash, pumpkin, zucchini, summer squash and cucumber.
Cucurbit Downy Mildew epidemic updates August 2021 | ipmPIPE
New reports of CDM on pumpkin, cantaloupe, cucumber, and butternut squash, in the southeast, northeast, and midwest.
Cucurbit Downy Mildew epidemic updates August 2021 | ipmPIPE
Squash Downy Mildew Found in North Carolina
Cucurbit downy mildew detected on cucumber | MSU Extension
“A spray interval of five days is recommended when weather is favorable for disease. This shorter interval should not be an issue if the recommended fungicides are used in alternation.”
Cucurbit Downy Mildew Confirmed in Western 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.
