New herbicide offered in fight against resistant kochia

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Wheat and barley growers in Western Canada have a new herbicide to aid in the fight to control troublesome weeds, such as herbicide resistant kochia.

Corteva Agriscience has announced registration of OnDeck herbicide, a product that provides post-emergent weed control for wheat (durum spring and winter) and barley farmers in the brown soil zones.

OnDeck offers proactive resistance management with complete rotational flexibility, delivering a strong measure of control over key broadleaf weeds such as kochia, wild mustard, wild buckwheat, and volunteer canola, as well as control of green and yellow foxtail.

Corteva says the combination of Group 6 and Group 27 unique modes of action represent a fresh approach to tackling kochia while helping reduce kochia resistance. The herbicide contains the active tolpyralate, a Group 27 herbicide, that is new to the Western Canadian cereal market.

The company says a key feature of tolpyralate is that farmers retain the ability to plant lentils, peas, and canola the year after application – maintaining the rotational freedom and flexibility that is important in the brown and dark brown soil zones, the company says.

“OnDeck herbicide will be a valuable tool to help farmers get the upper hand on resistant kochia and we know they will retain rotational flexibility the year after application, an option that is not available with other Group 27 plus Group 6 products that are currently on the market,” says Jason Smith, portfolio marketing manager for cereal herbicides, Corteva Agriscience.

The new herbicide will be available at select retail locations across Western Canada ahead of the 2023 growing season.

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