Q.Powder like substance on philodendron vine
have sprayed with several different things and washed with dish detergent just keeps coming back.

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on August 21, 2019
If the whole vine is not affected you can pinch off the places with infection. Here are ways to treat the powdery mildew fungus.
https://www.gardeningknowhow.com/houseplants/hpgen/powdery-mildew-treatment.htm
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