onion smut


Also found in: Dictionary, Thesaurus.
Related to onion smut: Urocystis cepulae, onion smudge

onion smut

[′ən·yən ‚smət]
(plant pathology)
A fungus disease of onion, especially seedlings, caused by Urocystis cepulae and characterized by elongate black blisters on the scales and foliage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?