Abstract:Field trials were conducted in 2013 and 2014 to investigate the tolerance of limpograss to increasing rates of hexazinone. Dose-response curves were generated using linear and quadratic regression models to determine the hexazinone estimated dose (ED) required to provide 10% (ED10) and 20% (ED20) of visual injury and herbage mass reduction. The ED10and ED20for visual estimates of injury were estimated to be 0.05 and 0.14 kg ai ha-1at 60 d after treatment (DAT). Regarding forage herbage mass reduction, the ED10… Show more
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