Q.White Fungus
I have a white fungus on the fronds. I used to use Malathon to get rid of it; however, for whatever reason I can not purchase this any more. What do I use to rid the plants of this?

Certified GKH Gardening Expert
Powdery mildew is a white fungus that commonly affects plants. Here is an or two article that you may find helpful: https://www.gardeningknowhow.com/problems/get-the-cure-for-powdery-mildew.htm
https://www.gardeningknowhow.com/plant-problems/disease/powdery-mildew-homemade-and-organic-remedies.htm