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SERENE Herbicide label expanded via Minor Use Program to help manage labelled weeds in various vegetable crop groups

Collards in field with weeds

By Josh Mosiondz, Minor Use Coordinator, OMAFRA, Guelph

The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for SERENE® Herbicide for control or suppression of labelled weeds in various vegetable crop groups in Canada. SERENE® Herbicide was already labeled for management of weeds crops in Canada. These minor use proposals were submitted by The Ontario Ministry of Agriculture, Food, and Rural Affairs 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 weed management decisions within a robust integrated weed management program and should consult the complete label before SERENE® Herbicide.

Crop / Crop GroupTargetRate (L product/ha)Application Information
Crop Group 1 (Root and Tuber Vegetables)

Crop Group 3-07 (Bulb Vegetables)

Crop Group 4-13 (Leafy Vegetables) (greenhouse or field)

Crop Group 5-13 (Brassica Head and Stem Vegetables)

Crop Group 8-09 (Fruiting Vegetables) (greenhouse or field)

Crop Group 9 (Cucurbit Vegetables) (greenhouse or field)

Crop Group 22 (Stalk, Stem and Leaf Petioles)
Suppression or Control of Labelled Weeds179 – 717.5Apply Serene as a uniform band or spot application directed at weeds on the ground between the crop. Apply using hooded or shielded application equipment. Ensure spray drift will not come in contact with foliage. Do not spray the crop directly. Do not apply when plants are under stress. Retreatment is required for regrowth of weeds.

Toxic to aquatic organisms and non-target terrestrial plants. Observe buffer zones specified under DIRECTIONS FOR USE. To reduce runoff from treated areas into aquatic habitats avoid application to areas with a moderate to steep slope, compacted soil, or clay. Avoid application when heavy rain is forecast. Contamination of aquatic areas as a result of runoff may be reduced by including a vegetative strip between the treated area and the edge of the water body.

Follow all other precautions, restrictions, and directions for use on the SERENE® Herbicide label carefully.

For a copy of the new minor use label contact Josh Mosiondz, Provincial Minor Use Coordinator OMAFRA, Guelph (226) 971-3407,  your regional supply outlet, or visit the PMRA label site

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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