A really good treatment for powdery mildew is: 1 gal water, 1 T dish soap, 1 T baking soda.
I put it in a spray bottle to make applying it easy.
Some recipes call for adding oil. I have never found a need for the oil.
Joseph Lofthouse wrote:
Don't spray things on the trees that interfere with the plants protective endophytes
Phil Stevens wrote:Jon, you can use a bicarbonate antifungal on peach trees but ...
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