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With a common name such as "corn smut," it is easy to guess that the most common place to find this crop-devastating fungus is on corn plants. The gall-shaped growths of corn smut (Ustilago maydis) are black in color with hues of grey and white closer to where they attach to the host plant. The corn will develop a scorched appearance, which is actually the smut rot.
Sunlight Requirements: Full sun
Common issues for Corn smut based on 10 million real cases