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Q.Recipe Using Potassium Bicarbonate (KHCO3) for Sooty Blotch Control

Zone 6 | Anonymous added on August 10, 2013 | Answered

Does anyone have a recipe using Potassium bicarbonate (KHCO3) for control of sooty blotch and other garden fungus?

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Answered on August 11, 2013

The following article addresses powdery mildew on roses, but the author's view on recipes is well stated: https://www.gardeningknowhow.com/ornamental/flowers/roses/roses-powdery-mildew.htm

There are hundreds, if not thousands of recipes online. As with all products, test a small area first before applying to an entire group of plants.

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