Brent from Ord writes
Have a bad fungus problem this year and need a systemic solution. Mostly for Edelweiss grape variety.
Phostrol Fungicide is used at the rate of 2.5 -5 pints per acre for grapes per the product label. It does not specify any varieties of grapes on the label for treatment, only grapes in general for application. You can use it for a variety of diseases including downy mildew which is common on grapes.
Answer last updated on: 07/13/2020
