Tag: anthracnose
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Spray Strategies for Strawberry Disease Control in South Carolina

Guido Schnabel, Extension Plant Pathologist Disease management is essential for growing high-quality strawberries in plasticulture. While Botrytis fruit rot (BFR) is a disease you can expect every year, Anthracnose fruit rot (AFR) and the more recently introduced Neopestalotiopsis fruit and crown rot (Neo-P) may or may not appear (Fig. 1). This largely depends on how…
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Weekly Field Update – 8/18/25

Though more rain fell last week, warm temperatures returned. Fall planting continues and establishment is going well. Disease pressure remains high as regular rain continues. 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 episode of the SC…
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Weekly Field Update – 8/11/25

Rain and cooler temperatures continued for most of the week. As a result, disease pressure is high right now, so be sure to stay on top of management programs. The invasive two-spot cotton leafhopper was found in multiple crops near the coast last week. See details below. Keep an eye on the Upcoming Events tab…
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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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Biologicals and Their General Performance Against Strawberry Diseases

Johanna Wesche and Guido Schnabel, Clemson University “Do biologicals work?” That is a frequently asked question coming not only from strawberry growers, especially in light of increasing resistance issues with many of the conventional fungicides and the fungicide insensitivity of Neopestalotiopis sp. In our recent article, “Biologicals Made Easy: Grouping and Understanding Biological Fungicides,” we…