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Robert from Downingtown, Pa writes

I forgot to add the non ionic surfactant in the mix of Tenacity Herbicide when I applied to my lawn. I immediately came back and over sprayed with the non ionic surfactant. Will this be effective for post emergent control of listed weeds?

Answer:

Since a surfactant is designed to reduce water tension during spraying, applying it separately is unlikely to improve results. If you were applying the Tenacity as a pre-emergent herbicide, then there should not be any detriment to the application. If you were applying as a post-emergent, then you may need to reapply the product in 2-3 weeks as a spot treatment for the target weeds.

Answer last updated on: 04/14/2021

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Tenacity Herbicide

Tenacity Herbicide

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