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Pack size: 
250 ml
Mode of action: 
TOPAS contains penconazole for the control of powdery mildew in apples, crab apple, pears, blackcurrants, redcurrants, grapes, outdoor and protected strawberries.

Mixing and spraying

Half fill the sprayer with water, add the TOPAS then top up the tank whilst maintaining agitation. Apply using a medium quality spray using a spray pressure of at least 2 bar.

Water volume

200-2000 l/ha depending on crop situation


2 hours