Generic version of Express SG herbicide registered

Cheminova Canada has picked up registration for an “effective and economical alternative” to DuPont’s Express SG, a tank-mix partner for weed killers such as glyphosate or 2,4-D.

Nuance, a granular sulfonylurea herbicide, will be available throughout Western Canada this year with the Group 2 chemical tribenuron methyl as its active ingredient.

The broadleaf weed killer is sold on its own, but before use, it must be tank-mixed with approved partner herbicides.

Nuance “will provide growers with a new weapon for use in pre-seed burndown, summerfallow and or post-harvest applications when tank-mixed with glyphosate,” the company said.

“Nuance provides effective, consistent control of many hard-to-kill broadleaf weeds, sharpening the activity and weed spectrum of glyphosate,” Cheminova Canada country manager Doug McLean said in the company’s release Tuesday.

“In addition to glyphosate, Nuance can also be mixed with other suitably registered herbicides such as 2,4-D or MCPA ester for resistance management, expanded weed spectrum  as well as various other use patterns,” he said.

Nuance is to be packaged by the case of eight 320-gram bottles, one of which can be used to treat 80 acres at the “most commonly used rate,” the company said.

Nuance also has no restrictions on recropping choices the following season, the company said.

Based at Kilworth, Ont., west of London, the Canadian wing of Danish ag chem firm Cheminova markets a stable of proprietary and off-patent generic herbicides, insecticides and fungicides.

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