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New Biocontrol for Invasive Microstegium (Japanese Stiltgrass): Bipolaris Leaf Blight

Microstegium vimineum (Japanese stiltgrass) is a shade-loving invasive grass. Researchers discovered a native fungal pathogen, Bipolaris sp. (similar to B. zeicola), causing leaf lesions, wilting, and 40% seed head reduction in greenhouse trials. First report of Bipolaris on this host. After host-range testing on native species, it may become a biocontrol agent.

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