Tag: tony keinath
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Timely Diagnosis
From Clemson Plant Pathologist Tony Keinath. Plants are a rich source of food for microorganisms—for aggressive plant pathogens, for weak pathogens, and for common saprophytes (the 90% of microorganisms that feed only on dead plant parts). Once a pathogen kills parts of leaves or side roots and we see dark brown spots, things change. The…
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Not Planting to Manage Phytophthora Blight by Reducing Disease Risk
From Clemson Plant Pathologist Anthony Keinath and Clemson Agricultural Economist Felipe Silva. After an absence of several years, Phytophthora blight reappeared in South Carolina in July 2021 on three farms. As expected, the outbreaks were on two of the three most susceptible vegetable crops: 2 cases on pepper and 1 case on pumpkin. (Summer squash…
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Fusarium Wilt in Watermelon
From Clemson Plant Pathologist Tony Keinath. Fusarium wilt is showing up in watermelon fields and in research plots at Coastal REC in Charleston. The most telltale symptoms are wilting of a few leaves at the crown of the plant, wilting of one vine on a plant, or wilting without yellowing of a small plant. A…