Higher Load Metribuzin Herbicide Introduced for Soybean Weed Control

Bryan Brochin, U.S. commercial head for UPL, says the herbicide offers a 2:1 ratio of metribuzin to sulfentrazone, which enhanced broadleaf weed control.
Bryan Brochin, U.S. commercial head for UPL, says the herbicide offers a 2:1 ratio of metribuzin to sulfentrazone, which enhanced broadleaf weed control.
(The Author)

As the 2022 growing season ramps up, UPL is introducing a new preemergence weed-control product for soybean growers: Preview 2.1 SC herbicide.

Preview is a concentrated liquid that can be used in pre-emerge applications or as a fall burndown residual herbicide. It is a premix that contains metribuzin (Group 5) and sulfentrazone (Group 14). 

Bryan Brochin, U.S. commercial head for UPL, says the product formulation offers soybean growers some benefits competing products currently in the marketplace don’t provide.

1.    The active ingredient ratio is 2:1 – two parts of metribuzin to one part of sulfentrazone. 

“Preview has a higher load of metribuzin, so it provides better control of a large range of broadleaf weeds, including Palmer amaranth and waterhemp, and it does a great job on herbicide-resistant weeds as well,” Brochin says. 

UPL recommends using Preview as part of a comprehensive weed-control program. 
“Start clean with a burndown, then use Preview as a pre-emerge before the crop comes out,” Brochin says.

If growers need a follow-up herbicide application, UPL offers Interline, a glufosinate-based product that Brochin recommends, depending on growers’ trait package.

2.    Preview is available as a suspension concentrate formulation (liquid) as opposed to a dry formulation for mixing ease.

“It mixes well in the tank and won’t cause any clogging issues or problems with your filter screens,” Brochin says.

UPL is using a soft launch this season to introduce Preview. Brochin says that was the company’s plan for the introductory season from the get-go, long before input supplies became a concern for 2022.

“Preview will be used in the northern parts of the ‘I states’ and up into the southern areas of Minnesota, Wisconsin and South Dakota, on roughly half a million acres,” Brochin reports. “Retailers have the product now, so it is available in limited supply.”

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