Cucurbit Downy Mildew Update!!

A colleague in South Carolina recently reported that downy mildew had been observed on yellow summer squash and zucchini plants in a Home Depot in Charleston last week (April 6). The plants had been grown in Miami, FL and had Home Depot tags on them.  If you have time, please check out your local Home Depot for this disease. We typically don’t see it until late June or July, and it tends to be more of a problem later in the summer, but if it get started early, it can be extremely difficult to control as the better fungicides for controlling this aren’t readily available in Louisiana. For more information on this disease, please see the Louisiana Plant Pathology fact sheet at http://tinyurl.com/3xapmrd.

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About Don Ferrin

I am an associate professor and extension specialist in the Department of Plant Patholgy & Crop Physiology with the LSU AgCenter in Baton Rouge. I have statewide responsibility for issues and educational programs related to diseases of all horticultural crops in Louisiana.
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One Response to Cucurbit Downy Mildew Update!!

  1. Don Ferrin says:

    I checked my local Home Depot over the weekend and saw no evidence of downy mildew. The vegetable transplants they had in stock were all from a local supplier, not from Florida.

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