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Jeff from Hartford writes

Can Daconil Zn Flowable Fungicide be used to control needle cast in blue spruce trees? What is the ratio of product to water?


No, Daconil Zn Flowable Fungicide cannot be used on blue spruce trees.

We would recommend using Clearys Spectro 90 WDG for needlecast on blue spruce trees. The mixing ratio is 1-2 tablespoons per gallon of water.

Answer last updated on: 06/15/2016

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