LEXINGTON — Historically, Stewart’s wilt of corn has resulted in losses for corn producers; however, this disease now only occurs occasionally in Kentucky. Nevertheless, when it does occur, it can limit yield directly through stand reductions and the production of fewer and smaller ears. In addition, infected plants are more susceptible to stalk-rotting organisms, which can result in indirect losses from this disease. Stewart’s wilt occurs on sweet corn, popcorn, and field corn.
This fact sheet provides information on symptoms, cause, disease development, and management.
Stewart’s Wilt of Corn (PPFS-AG-C-04) is available online.
For additional publications on plant diseases, visit the UK Plant Pathology Extension Publications webpage.
Click here to visit the University of Kentucky Pest News blog.
— Emily Pfeufer and Carl Bradley, University of Kentucky Extension Plant Pathologists
For more news from Kentucky, click here.
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