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James from Waukesha, Wi writes

Can I mix Hi-Yield dormant spray with Southern AG Liquid Copper Fungicide?

I am spraying apple trees


Southern AG Insecticides Liquid Copper Fungicide should not be mixed and applied along with a dormant spray/oil such as Hi-Yield Dormant Spray.  You should wait 1 week between applications

Answer last updated on: 04/01/2020

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