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Travis from Huntington, Wv writes

Is Prime Source Chlorothalonil 720 Select effective for killing nostoc algae?

I have approximately 8000 sq ft of nostoc growing on my crushed limestone lot. What is effective for killing and controlling nostoc?

Answer:

Prime Source Chlorothalonil 720 Select is not labeled for nostoc.  Nostoc is really caused by a bacteria and will not be affected by herbicides. We do not currently have any products labeled for nostoc. We would recommend contacting your local cooperative extension to see what individuals in your area are using for nostoc. 

Answer last updated on: 09/27/2018

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