Loose Smut

Loose Smut

Definition: Loose Smut

Loose Smut: Loose smut is a fungus (Ustilago nuda) affecting wheat and barley. Masses of black spores collect on the diseased heads; the spores are dispersed in the wind, and only a bare stalk is left. Managing loose smut through disease prevention and control measures can protect wheat and barley crops and improve yields.

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