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Barnyard Grass
Posted on 5/11/26 at 4:35 pm
Posted on 5/11/26 at 4:35 pm
Currently getting hammered by barnyard grass. Bought some 18.92% quniclorac concentrate to put down. Going to give it a shot. LSU AG says not to apply to St. Aug. The weed is not currently in the St Aug portion of my yard, only growing in newly planted bermuda.
2
Posted on 5/13/26 at 9:05 am to b1ll
Quinclorac performs much better if applied before a good rainfall (no sooner than 6-8 hrs out for rain fastness) as maximum soil moisture is needed for optimum control. Also, addition of a methylated seed oil (MSO) at 1% adjuvant optimizes performance as well. Better when barnyardgrass only as a couple of tillers or younger. If you have a high population may have to retreat in about 3 wks.
Posted on 5/15/26 at 9:34 pm to b1ll
It is very good on barnyard grass, but make sure that the barnyard grass is actively growing. I would wet it down really really good a couple days prior to treating.
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