What are the black spots on corn stalks?

As reported by Keloland · Updated 8 Oct, 21:29 · Archive

SIOUX FALLS, S.D. (KELO) -- Harvest season is fast approaching, with many farmers seeing black spots on their corn stalks and wondering if they are a sign of concern. Madelyn Shires, manager of the SDSU Plant Diagnostic Clinic, said the black spots found on leaves or stalks are called tar spots. "Tar spot is a [...]

What are the black spots on corn stalks? — Image: Keloland

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What are the black spots on corn stalks?SIOUX FALLS, S.D. (KELO) -- Harvest season is fast approaching, with many farmers seeing black spots on their corn stalks and wondering if they are a sign of concern. Madelyn Shires, manager of the SDSU Plant Diagnostic Clinic, said the black spots found on leaves or stalks are called tar spots. "Tar spot is a [...]Keloland · 8 Oct, 21:29