I just did my first application of 6% bleach. I'm anxious to see the results.
So far, Serenade, my starting point, did very little to curb powdery mildew. I moved up to Daconil, a major improvement, but as mentioned does very little to kill the fungus which is already present. It has, however, allowed the plants unaffected new growth.
I am certain that my lawn sprinkler watering of my garden has been 99% to blame, and will be installing a drip system before the season is up. I am certain that with my new chemical arsenal, mulch, and drip irrigation, next season should be much much better.
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