Carrot Herbicides Pest Management Weed Management

Prowl H2O Herbicide label expanded via Minor Use Program to control labeled weeds on carrots

J. Chaput, OMAF/MRA, Minor Use Coordinator, Guelph

The Pest Management Regulatory Agency (PMRA) recently announced the approval of an URMULE registration for Prowl H2O Herbicide for control of labeled weeds on carrots in Canada. Prowl H2O Herbicide was already labeled for management of weeds on corn, soybeans, snap beans, adzuki beans, dry bulb and green onions, leeks and ornamentals in Canada.

This minor use project was sponsored in 2012 by FVGO as a result of minor use priorities established by growers and extension personnel. Additional data supporting these projects was provided by Dr. Darren Robinson, U. of G., Ridgetown; Dr. C. Swanton and K. Chandler, U. of G. main campus; Dr. J. O’Sullivan, R. Grohs, U. of G., Simcoe as well as Dr. B. Zandstra, MSU and colleagues in Quebec.


Prowl H2O Herbicide should be used in an integrated weed management program and in rotation with other management strategies to adequately manage resistance. This product is TOXIC to aquatic organisms and non-target terrestrial plants. Do not contaminate aquatic habitats when cleaning or rinsing spray equipment or containers. Follow all other precautions and directions for use on the Prowl H2O Herbicide label carefully.

We also wish to acknowledge the personnel of BASF Canada Inc. for their support of this registration 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 contact Marion Paibomesai, OMAF/MRA, Guelph (519) 826-4963 or visit the BASF Canada website at

Note: This article is not intended to be an endorsement or recommendation for this particular product, but rather a notice of registration activity

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