The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for Diplomat Fungicide (polyoxin D zinc salt) for control of powdery mildew on caneberries, phomopsis leaf spot & fruit rot and leather rot control on strawberries, and downy mildew and phomopsis fruit rot on grapes in Canada. Diplomat was already labeled for management of several diseases on a range of crops in Canada.
The following information is provided as an abbreviated, general outline only. Users should be making disease management decisions within a robust integrated pest management program and should consult the complete label before using
Crop (s) | Target | Rate (L/ha) | Application Information | PHI (days) |
Grapes | Downy mildew (control) Phomopsis fruit rot (control) | 463-926 mL/ha 926 mL/ha | For downy mildew and phomopsis fruit rot begin as a preventative application when conditions favour disease development and continue on a 10-20 day interval as needed to maintain control. | 0 days |
Strawberries | Phomopsis leaf spot and fruit rot (Control) Leather rot (Control) | 463-926 mL/ha 926 mL/ha | For leather rot and phomopsis leaf spot and fruit rot begin applications when conditions favour disease development and continue on a 7-14 day interval as needed to maintain control. | 0 days |
Caneberries | Powdery mildew (Control) | 926 mL/ha | Begin as a preventative application when conditions favour disease development and continue on a 7-14 day interval as needed to maintain control. | 0 days |
Caneberries includes blackberries and raspberries.
Follow all other precautions, restrictions and directions for use on the Diplomat Fungicide label carefully.
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