head smut

American

noun

Plant Pathology.

a disease of cereals and other grasses, characterized by a dark-brown, powdery mass of spores replacing the affected seed heads, caused by any of several smut fungi of the genera Sorosporium, Sphacelotheca, and Ustilago.

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head smut

A maize wall-associated kinase confers quantitative resistance to head smut.

From Nature ● May 8, 2018

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