Tag: downy mildew
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Field Update: 6/22/20
Coastal Zack Snipes reports, “A week of unseasonably mild temperatures and damp conditions slowed things down a bit. The warmer weather this past weekend and this week should put things in gear again. Starting to find some armyworms on smaller farms particularly the southern armyworm. Tomato spotted wilt virus has been showing up on tomato…
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Field Update – 6/15/20
Statewide The video below is from Vegetable Weed Specialist Matt Cutulle. It shows a flame weeder attachment killing weeds around the edges of a field. The person walking behind the tractor is using a flame weeder with a propane tank on his back. These are good options for weed control in organic fields. Coastal Zack…
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Field Update – 6/8/20 (Downy Mildew Arrives in SC)
Statewide Downy mildew was found in Charleston, SC late last week on cucumbers. This is the first confirmed report of the 2020 season. If not already doing so, all cucumber and canteloupe growers should begin applying protective fungicides to help prevent or manage downy mildew. Ranman tank-mixed with a protectant such as chlorothalonil, mancozeb, or…
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Field Update – 5/18/20
Statewide Dr. Tony Keinath reports, “With the cooler-than-normal spring weather, two cool-season pathogens also may be active longer than normal. Downy mildew on brassicas, especially kale and collard, mainly affects the lower leaves. Sometimes it will move up onto the larger leaves in the middle of the plant. With a hand lens, you can see…
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Field Update – 8/12/19
Coastal Region Zack Snipes reports, “We are in the middle of muscadine and scuppernong harvest right now. Okra and mixed peppers are still pushing out despite the heat. We had a great Strawberry Production Meeting in Charleston last week. If you have any questions on strawberry production now is the time to ask before planting.”…
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Field Update – 6/10/19
Statewide Dr. Tony Keinath reported downy mildew being found on cucumbers in Bamberg County this past week. He cautioned all cucumber, cantaloupe, and watermelon growers to begin preventative sprays, if they are not already doing so. Refer back to this post for more info. Coastal Region Zack Snipes reports, “We finally got some much needed…
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Downy Mildew found in SC
From Clemson Plant Pathologist Dr. Tony Keinath: The first SC report of cucurbit downy mildew this year came on June 6 from a crop consultant, who found it on cucumbers in Bamberg County. Growers should spray all cucumber and cantaloupe crops to prevent or manage downy mildew. The cheapest downy mildew fungicide is Ranman. It…
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Testing What Controls Downy Mildew in Cucumbers – and What Doesn’t
From Clemson Plant Pathologist, Dr. Tony Keinath. Small growers can manage downy mildew on slicing cucumber and increase yields by growing a partially resistant cultivar, like Bristol, and spraying weekly with moderate-cost fungicides, like chlorothalonil rotated with Ranman. Trellising doesn’t help manage downy mildew. Read Dr. Keinath’s full article about testing cultural and chemical controls…
The South Carolina Grower 