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Roundup Ready Xtend Crop System

  • Seen These Guys?

    Twenty years ago, you may have been stumped when these fellows sprouted in your field. No more. Marestail (horseweed) is a staple in many Midwestern fields. Trouble compounds when the marestail is resistant to glyphosate. That takes away a time-tested tool that you’ve used for years.

  • Help is on the Way

    There may be good news soon, though. You’ll likely be getting more weed control options in soybeans. One of the new tools that may debut soon is the Roundup Ready Xtend Crop System. This system joins Monsanto's Roundup Ready 2 Yield trait with dicamba and glyphosate tolerance. Dicamba is prone to off-target movment. However, Monsanto and BASF officials say they are developing separate dicamba formulations for the system that are low in volatility and drift potential.

  • Timely applications

    Timely applications will be necessary. The product’s label will likely specify applications be made when weeds are 2-4 inches high. “You can’t spray when weeds are 18 inches tall,” says Craig Lamoureux, a Monsanto technology development representative.

  • Narrow Rows

    Cultural practices to prevent weeds from growing remain key, says Josh Merryman, Monsanto technology development representative. Narrow rows can help close the canopy sooner and curtail weed growth, he says. In some years like last year, 30-inch rows had trouble canopying.

  • Deactivator

    When all you sprayed was Roundup, tank rinsing wasn’t a requirement. Now, though, spraying different chemicals means you’ll have to properly rinse equipment to ensure sprayer tank and line contamination does not occur. Monsanto is experimenting with a “deactivator” product that is aimed at rendering the dicamba ineffective. More testing is required, though, say Monsanto officials.

  • Debut Date

    The Roundup Ready Xtend Crop System is currently undergoing an Environmental Impact Statement from USDA. Once completed, company officials expect a product launch to soon occur.

System features dicamba-tolerant soybeans

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