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Cabbage maggot damage in rutabaga.
Cabbage maggot damage in rutabaga.
June 19, 2023

The Pest Management Regulatory Agency (PMRA) recently announced the approval of an Emergency Use Registration for Success insecticide for suppression of cabbage maggot on rutabaga in Ontario and Quebec ONLY from June 8th, 2023 – June 7th, 2024. Success insecticide was already labeled for management of cabbage maggot on rutabaga in Canada using a foliar application however the Emergency Use Registration allows for use of Success as a soil drench in addition to the foliar application to target maggots in the root zone. This Emergency Use Registration was led and submitted by the Ministère de l'Agriculture, des Pêcheries et de l'Alimentation du Québec as a result of minor use priorities established by growers and extension personnel.

 

The following is provided as an abbreviated, general outline only. Users should be making insect management decisions within a robust integrated insect management program and should consult the complete label before using Success insecticide.

 

Crop(s)

Target

Rate (mL product/ha)

Application Information

PHI (days)

Rutabaga

 

Suppression of cabbage maggot

182 - 364

Apply Success Insecticide in a soil drench at the rate of 182 mL/ha to 364 mL/ha (87 g/ha to 174 g/ha a.i,).  For 76 cm (30-inch) plant row spacing apply Success at 4 mL to 8 mL per 305 linear metres (1000 linear foot). Do not make applications less than 4 days apart. Apply a maximum of 3 applications.  Do not apply more than 1.1 L/ha of Success per year. Optimum application timing is based on field scouting. Begin applications when adult activity is observed in or near the field.

3

 

For a copy of the Emergency Use Registration label in Ontario or Québec, contact your local vegetable cropsspecialist, your regional supply outlet, or visit the PMRA label site http://www.hc-sc.gc.ca/cps-spc/pest/registrant-titulaire/tools-outils/label-etiq-eng.php

 

Source:  Josh Mosiondz, minor use coordinator, OMAFRA, Guelph.

 

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Submitted by Karen Davidson on 19 June 2023