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Rhizosphaera Needle Cast on Blue Spruces
Hi all. Newbie of sorts here. I live in an area with several blue spruces
in my yard. I've determined that they have Rhizospahera Needle Cast, per an Adobe file found on the internet. My question is this: There was a suggestion made to use copper sulfate and hydrated lime, along with water, and spray this on the trees every Spring. I have respiratory problems and am especially concerned about the copper sulfate. Can anyone suggest a less toxic fungicide for this problem? Would sulfur work? Thank you. |
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