Ustilago maydis

(redirected from corn ergot)
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Noun1.Ustilago maydis - a common smut attacking Indian corn causing greyish white swellings that rupture to expose a black spore mass
genus Ustilago, Ustilago - type genus of the Ustilaginaceae; genus comprising the loose smuts
corn smut, cornsmut - a smut fungus attacking Indian corn