Introduction and Properties
Penconazole, with the trade name Topaz, is a systemic fungicide with protective and curative effects from the triazole group. This fungicide is absorbed through the leaves and moves to other parts of the plant. This fungicide prevents the demethylation of steroids.
Instructions for use
Powdery mildew disease of grapes at a rate of 0.125 per thousand
General considerations
Before using a pesticide, read the label carefully.
Consult with your local plant protection expert for details.
This pesticide is prohibited from being sold without a prescription from a herbalist.