Smut

Smut (fungus – Ustilago cynodonis)

Host Grass: Hybrid Bermuda(Cynodon dactylon), Common Bermuda

Cause and Symptoms:Smut Smut galls replace seed in the spike. The inflorescence (flower) is often distorted.

Control and Management:  Since the fungus causes a systemic infection, fungicides are not effective. Control by close mowing and proper fertilization, which keeps the grass in a vegetative growing condition, preventing seed head development.

Content edited by: Young-ki Jo, ykjo@tamu.edu , Assistant Professor and Extension Specialist, Dept Plant Pathology & Microbiology, Texas A&M University, Texas AgriLife Extension Service, May 31, 2013

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