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NE Indiana | In my experience if the black spots you found are in fact tar spot you are a couple weeks late on the first fungicide app. I would start spraying now if you are already seeing spots. Then monitor and probably make another pass at r1-r2. Have been extremely happy with Miravis Neo early and its really cheap for a 3 mode fungicide. $15.75 an acre for 13.7 oz/ac rate. In your case I would run the Miravis Neo now and headline amp on the second pass. | |
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Tar spot newbie advice needed
