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corn smut

noun
1.
a disease of corn caused by a fungus, Ustilago maydis, and characterized by blackish, powdery masses of spores on the affected parts of the plant.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for corn-smut

corn smut

noun
1.
an ascomycetous parasitic fungus, Ustilago zeae, that causes gall-like deformations on maize grain
2.
the condition produced by this fungus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for corn-smut

corn smut

disease of plants caused by the fungus Ustilago maydis, which attacks corn (maize) plants, affecting any aboveground part. The early signs of an attack are whitish galls that later rupture to release dark spores capable of infecting other corn plants. Affected plants are often distorted. The disease is most vigorous in warm weather. Spores overwinter in soil and in corn litter and then infect the next year's planting.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Value for corn

6
8
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