windmillgrass, weed control, herbicide efficacy, herbicide timing


Windmillgrass (Chloris verticillataNutt.) populations commonly infest turfgrass systems in the midwest, which result in aesthetically unacceptable turfgrass stands. Research trials were initiated in 2017 and 2018, in Onaga and Junction City, KS, to determine windmillgrass control with various single herbicide applications at dif­ferent application timings. Pylex (topramezone) resulted in more than 80% wind­millgrass control 8 weeks after spring and summer application.


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