Customer Reviews for Quinclorac 75 DF Herbicide

This stuff is wonderful. The younger the plant, the better and quicker it works. Results on younger plants were seen in 48 hours. More mature crabgrass required second application 14 days later.

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I have never used quinclorac before and I'm about a week and a half since my 1st application and I'm seeing some yellowing. I'm assuming that is signs of death. I'm going to spot treat a couple more times until I hit dormancy in my Bermuda. I did the mixture as per bottle on 4 gallon sprayer. I was in a pinch and used dish soap as a surfactant and still seemed to work out and I don't reccomend that.

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This product works amazing got rid of all of my crabgrass

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I give the product a four star. It seems the post emergent crabgrass has suffered a severe blow. Gives hope for a weedless yard. The Quinclorac 75 DF is difficult to dissolve. This is an issue of concern for application.

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Mixed per directions for spot treatment. Sprayed three days after mowing. About 4 days later, one or two crabgrass plants showed some signs of irritation, but the vast majority of them were perfectly healthy. After about 1 1/2 weeks they all look very healthy. Total waste of $$$.

  Expert response:
Quinclorac 75 DF can take up to 2-6 weeks and repeat treatments to completely kill crabgrass depending on the maturity of the plant. Per the product label: Complete control may not be achieved under certain conditions when applied at 2-4 tiller stage. Best results are obtained when treating before the second tiller stage or when fully mature and mix with a methylated seed oil surfactant.

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