by J. Chaput, OMAFRA Minor Use Coordinator, Guelph
The Pest Management Regulatory Agency (PMRA) recently announced the approval of URMULE registrations for SWITCH® WG FUNGICIDE for control of grey mold (Botrytis cinerea) on field tomatoes, grey mold and anthracnose on spinach, anthracnose on field peppers and suppression of powdery mildew on greenhouse peppers in Canada. Switch® WG Fungicide was already labeled for a number of diseases on a range of specialty crops in Canada.
The minor use projects for field peppers and spinach were jointly sponsored in 2006 and 2008 respectively by Agriculture & Agri-Food Canada, Pest Management Centre (AAFC-PMC) and U.S. IR-4 program and the projects for greenhouse pepper and field tomatoes were sponsored by Agriculture & Agri-Food Canada, Pest Management Centre (AAFC-PMC) in 2004 and 2011 respectively as a result of minor use priorities established by growers and extension personnel. The minor use label expansions for Switch® WG Fungicide are a significant step towards developing an improved pest management toolkit for these diseases in Canada.
| The following is provided as an abbreviated, general outline only. Users should consult the complete label before using Switch® WG Fungicide. Crop(s) | Pest | Rate (g/ha) | No. apps / year | PHI |
| Spinach | Anthracnose, Botrytis grey mold | 775 – 975 | 2 | 3 days |
| Field peppers | Anthracnose | 775 – 975 | 3 | 0 days |
| Field tomatoes | Botrytis grey mold | 775 – 975 | 3 | 0 days |
| Greenhouse peppers | Powdery mildew | 775 | 3 | 1 day |
Switch® WG Fungicide should be used in an integrated pest management program and in rotation with other management strategies to adequately manage resistance.
Follow all other precautions and directions for use on the Switch® WG Fungicide label carefully.
We also wish to acknowledge the personnel of Syngenta Canada for their support of these registrations and the personnel of the Pest Management Regulatory Agency for evaluating and approving this important pest management tool.
For a copy of the new minor use label for greenhouse peppers contact Gillian Ferguson, OMAFRA, Harrow (519) 738-1258; for spinach contact Marion Paibomesai, OMAFRA, Guelph (519) 826-4963; for field tomatoes and peppers contact Janice LeBoeuf, OMAFRA, Ridgetown (519) 674-1699; or Jim Chaput, OMAFRA, Guelph (519) 826-3539 or visit http://www.syngenta.com/country/ca/en/Pages/home.aspx.
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