Tag: athelia rolfsii
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Question of the Week – Southern Blight

What are these brown pellets found on the base of a tomato plant? These brown pellets are sclerotia from the soil-borne fungus Athelia rolsii, commonly called Southern blight. The photograph was taken from a tomato plant displaying wilting with a good fruit loading. Sclerotia are survival structures that allow the fungus to survive in the…
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Grafting Reduces Southern Blight on Tomato by 83%

From Clemson Plant Pathologist Tony Keinath. Southern blight has become more common on tomatoes grown without fumigation throughout the southern United States. A joint project between the University of Georgia and Clemson University looked at grafting as a management option. In the 2021 trial in Charleston, SC, grafting reduced the percentage of diseased plants from…