Tag: Disease
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Managing Phytophthora Blight on Pepper

From Clemson Plant Pathologist Tony Keinath and Extension Agent Andy Rollins. After 3.28 inches of rain in the Upstate from May 23 to 26, symptoms of Phytophthora blight showed up in one or more fields of pepper and tomato after June 1. The heavy downpour and the volume of rain saturated the soil, providing the…
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Weekly Field Update – 6/6/22

Clemson Plant Pathologist Tony Keinath has been busy updating Extension Disease Publications on Clemson’s Land-Grant Press. Be sure to refer to the following resources as you think about your disease management programs: Gummy Stem Blight on Watermelon and Muskmelon, Watermelon Fungicide Guide, Cucurbit Downy Mildew Management, Powdery Mildew on Watermelon, and Controlling Bacterial Spot on…
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Downy Mildew Spreads to Charleston, SC

From Clemson Plant Pathologist Tony Keinath and Extension Agent Zack Snipes. Downy mildew was found on non-sprayed “sentinel” cucumbers at Coastal REC, Charleston, SC, on June 1. Two susceptible slicing cultivars (Silver Slicer and Poinsette) had 5% leaf area diseased, while the resistant cultivars Citadel pickling and DMR-NY401 slicing and the moderately resistant Bristol slicing…
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Weekly Field Update – 5/31/22

Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Coastal Region Zack Snipes reports, “It seems like everything is coming in from the fields right now. We got some rain but could really use some more. I am…
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Cucurbit Downy Mildew Arrives in SC

Prepared by Rob Last. Cucurbit downy mildew has been identified in South Carolina this morning (5/25/22). The identification came from a field of cucumbers in Bamberg County. Please remember to make fungicide applications seven days apart, a stretch longer than this is likely to increase the potential for disease spread. For cucumbers, some suggested products…
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Weekly Field Update – 5/23/22

Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Coastal Region Rob Last reports, “As we see temperatures increase strawberry flowering is reducing. Plants are still heavy with fruit, so managing diseases such as anthracnose and botrytis through…
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Weekly Field Update – 5/16/22

Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Midlands Justin Ballew reports, “Last week was cooler and felt like spring again, but that seems to be gone now. We got a little rain late last week (0.4…
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Weekly Field Update – 5/9/22

Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Coastal Region Rob Last reports, “Spider mites in the area are increasing in number on a variety of crops including strawberries and watermelons. When choosing an insecticide always choose…
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Weekly Field Update – 5/2/22

Don’t forget about the Brassica Field Day coming up next Monday morning (8:30-1:00) at the Coastal REC in Charleston, SC. Please be sure to register ahead of time, so they will have enough food on hand for lunch. Be sure to scroll all the way to the bottom to see this week’s Question of the…
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Weekly Field Update – 4/18/22

Be sure to scroll all the way to the bottom to see this week’s Question of the Week and check back on Thursday for the answer! Coastal Region Zack Snipes reports, “It has been a very windy spring. The winds are drying out our soils and beating up plants. I have looked at some tomatoes…