Do you have a home remedy to treat white fungus on zuccuhini leaves?

Question

My zucchini plants have a white fungus on the leaves and the have a

Answer 1

What you describe is likely to be "powdery mildew", a fungus disease. An advanced infection is difficult to control, and you will not be able to eradicate it from the infected foliage, but you can prevent further infection on new growth.
https://www.gardeningknowhow.com/edible/vegetables/squash/powdery-mildew-in-squash.htm

My choice would be Green Cure. http://www.greencure.net/baking_soda_formula_powdery_mildew.asp