New techniques are needed to control quackgrass in organic crops. With ≥2 applications of abrasive air-propelled (800 kPa) corncob grit to 15-cm-tall quackgrass tillers, regrowth was minimal at 5 wk after treatment. Abrasive grits may be effective tools to help manage perennial weeds in organic row crops.
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20 December 2017
Air-propelled abrasive grit can damage the perennial weed quackgrass
Frank Forcella,
Daniel Humburg,
Samuel E. Wortman,
Sharon A. Clay
air-propelled grit
corncob grit
Elytrigia repens
quackgrass
weed control