The following is a summary of changes to pesticides for grape based on PMRA re-evaluations. Product that is still in grower stores can be used until the dates below:
PMRA Decision Last Farm Use |
|
Rovral |
June 21, 2021 |
Ferbam |
Dec. 14, 2021 |
Quintec |
June 20, 2021 (corporate decision) |
Maestro WDG, Supra Captan WDG |
May 11, 2021. Can be used with current REI’s until this date |
Polyram |
June 21, 2021 |
Mancozeb Products |
PMRA Proposed Decision Last Farm Use |
| Manzate | December 2021
The GGO and OFVGA are working with an industry task force, to engage PMRA in further discussion regarding these mancozeb re-evaluation decisions. |
| Dithane | |
| Ridomil Gold MZ | |
| Penncozeb | |
| Gavel |
Maestro WDG and Supra Captan WDG are not available for sale in 2020. Existing supplies can be used until May 10, 2021 using the REI and use patterns on the current label. Only WSP formulations will be available for sale this growing season.
| Crop | PMRA Decision for Supra Captan WSP and Maestro WSP | |
| Rate / Max Apps. | REI / PHI | |
| Grape | 2 kg/ha
Max 3 apps./season (from unlimited apps/season) 2 apps. targeting Phomopsis 1 app. targeting Downy Mildew |
Hand harvest, training, thinning & leaf pulling REI: 55 day (from 72 hr.)
General REI: 12 hours
Hand Harvest PHI: 55 day (from 7 day) Machine Harvest PHI: 7 day |
The following are new products and label expansions for 2020:
Product |
Group |
Diseases/Insects |
Cevya |
3 |
Powdery mildew |
Miravis Prime |
7+12 |
Botrytis (with activity vs powdery mildew) |
Stargus |
NC |
Suppression downy mildew and black rot |
Malathion |
1 |
Spotted wing drosophila |
SuffOil-X |
NC |
Mites |
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