The Q&A Archives: Verticillium Wilt

Question: how to stop this from killing your tomato plants?

Answer: The name Verticillium Wilt can be misleading, as sometimes the leaves will turn yellow, dry up and never appear to wilt. Verticillium wilt is caused by a soil-borne fungus and it can affect many different vegetables. The fungus can persist in the soil for many years, so crop rotation and selection of resistant varieties is crucial. Symptoms include: wilting during the hottest part of the day and recovering at night, yellowing and eventually browning between the leaf veins starting with the older, lower leaves and discoloration inside the stems. Verticillium Wilt inhibits the plants ability to take in water and nutrients and will eventually kill the plant. Verticillium wilt is more pronounced in cool weather. Management: Remove affected plants and choose resistant varieties. Be sure to rotate your crops to avoid the problem next year.

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