LATEST POSTS


  • Question of the Week – Parasitic Wasp Pupae

    Question of the Week – Parasitic Wasp Pupae

    This week, the question was: What is the white-colored stuff on this beet leaf? This is a cluster of parasitic wasp pupae. The adult wasp would have laid eggs into a caterpillar to provide food for the developing larvae. The larvae develop inside the caterpillar and then exit it to pupate, usually killing it in…

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  • Urgent: Powdery Mildew Found on Watermelon in Charleston, SC

    Urgent: Powdery Mildew Found on Watermelon in Charleston, SC

    From Clemson Plant Pathologist Tony Keinath. Powdery mildew was found on three cultivars of seedless watermelon at the Clemson Coastal REC on May 23, 2023. All watermelon crops in South Carolina should be 1) scouted for powdewry mildew and 2) if found, sprayed to prevent powdery mildew from reducing yields by up to 40%. When…

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  • Weekly Field Update – 5/22/23

    Weekly Field Update – 5/22/23

    Registration is now open for the Coastal REC Field Day on 6/7/23. Come to see and hear updates on vegetable weed, disease, and insect research. Register here. Check out other upcoming meetings on the Upcoming Events tab, and don’t forget to look at our Resources tab for links to crop handbooks, helpful websites, and related…

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  • Question of the Week – Lady Beetle Eggs

    Question of the Week – Lady Beetle Eggs

    This week, the question was: What are these orange-colored things stuck to the bottom of this collard leaf? This is a cluster of lady beetle eggs. Lady beetles are great insects to have around, especially if you have problems with aphids, their favorite food. Adults eat aphids whole, while the nymphs, seen below, pierce and…

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  • 2023 Fusarium Wilt on Seedless Watermelon Experiment – Week 5 Observations

    2023 Fusarium Wilt on Seedless Watermelon Experiment – Week 5 Observations

    From Clemson Plant Pathologist Tony Keinath This year’s Fusarium wilt experiment includes 3 seedless cultivars, 3 fungicide treatments applied via drip irrigation, and grafting. (This experiment is supported in part by a USDA SCRI grant.) Transplants were set April 5 in a field infested with Fusarium races 1 and 2. Right on schedule, symptoms of…

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  • Cucurbit Downy Mildew Found in SC

    Cucurbit Downy Mildew Found in SC

    Prepared by Rob Last, Justin Ballew, and Tony Keinath. Cucurbit downy mildew was identified in South Carolina on 5/12/23. The identification came from butternut squash grown in a sentinel plot at the Coastal REC in Charleston. The same strain that affects butternut squash also affects watermelon and summer squash. Now that downy mildew has been…

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