Windmill grass (WMG) is a short-lived perennial grass species that has been problematic in the northern cropping region of Australia and is now becoming more common in the southern region. It establishes on roadsides and in summer-fallow, where over-reliance on glyphosate has led to the development of resistance. An understanding of windmill grass biology will help guide management choices to enable successful long-term control. This factsheet includes findings from recent research by the Weed Science Group at the University of Adelaide.
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