Tag: gummy stem blight
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Weekly Field Update – 7/28/25
Well, its hot. Parts of the state received rain this past week, while others have been dry for most of the month. Some growers are applying kaolin products to reduce sunscald on developing fruit. Fall crops are beginning to go into the ground. See details below. Keep an eye on the Upcoming Events tab periodically…
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Why Reusing Watermelon Plastic for Watermelon is a Very Bad Idea and Other Plant Pathology Horror Stories
From Clemson Plant Pathologist Tony Keinath Extension agents have recently received some questions from growers about reusing plastic from a spring watermelon crop for a fall watermelon crop. This scenario is what I call a classic plant pathology “horror story.” It is literally the worst thing a watermelon, cantaloupe, or cucumber grower could do for…
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Weekly Field Update – 7/21/25
Another hot, humid week has passed. Growers are prepping fields for fall crops, and some planting has begun. As dry weather has set in, mites are becoming a problem in places. Disease pressure remains high in a variety of crops. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t…
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Weekly Field Update – 7/14/25
It has been hot and humid around the state. Several thunderstorms have come through the state bringing some much-needed rain. Plenty of disease is present, including gummy stem blight, anthracnose, and downy mildew. Piercing/sucking insects are causing damage as well. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t…
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Weekly Field Update – 7/7/25
After some rain and wind in the Pee Dee from Tropical Storm Chantal on Sunday, the week is off to a hot start. Watermelons, peaches, tomatoes, peppers, etc. are being harvested. Disease and insect pressures are climbing. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t miss any of…
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Weekly Field Update – 6/30/25
Keep an eye on the Upcoming Events tab periodically so you don’t miss any of our winter/spring meetings. Also, check out the latest episode of the SC Grower Exchange Podcast below. Don’t forget to look at our Resources tab for links to crop handbooks, helpful websites, and related blogs. Be sure to scroll all the…
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Weekly Field Update – 6/23/25
Keep an eye on the Upcoming Events tab periodically so you don’t miss any of our winter/spring meetings. Also, check out the latest episode of the SC Grower Exchange Podcast below. Don’t forget to look at our Resources tab for links to crop handbooks, helpful websites, and related blogs. Be sure to scroll all the…
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Weekly Field Update – 6/16/25
Regular rain continued throughout the state last week. Summer officially begins later this week. We’re well into harvest now for most warm-season crops, and disease is a major concern. See details below. Keep an eye on the Upcoming Events tab periodically so you don’t miss any of our winter/spring meetings. Also, check out the latest…
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Cucurbit Disease Update for Mid-May 2025 (Downy Mildew Found in SC)
From Clemson Plant Pathologist Tony Keinath Despite relatively dry conditions this spring, two foliar diseases have shown up on cucurbits in different parts of South Carolina. Gummy stem blight was found on watermelon in the Central Savannah River Area, and downy mildew was found on cucumbers at Coastal REC. Five of 23 watermelon samples (that’s…
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Field Scouting and Identification of Diseases on Cucurbits in South Carolina
From Clemson Plant Pathologist Tony Keinath For anyone who missed the Preplant Cucurbit Meeting on Feb. 7, 2025, at the Edisto Research and Education Center, here is a recap of the main points on scouting fields for cucurbit diseases. Table 1 shows which diseases are most likely to show up on different crops. Use this…
The South Carolina Grower 