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Authority Assist a new option for soybeans

Agriculture.com Staff 02/13/2008 @ 1:56pm

FMC has a new option for broad-spectrum control of broadleaf weeds with grass control assistance in soybeans. Authority Assist is labeled for control of a variety of key weeds including:

  • Waterhemp
  • Lambsquarters
  • Pigweed
  • Cocklebur
  • Velvetleaf
  • Venice mallow
  • Nightshade
  • Morning glory
  • Nutsedge
  • Kochia
  • Russian thistle
  • Barnyardgrass
  • Foxtail
  • Fall panicum

FMC officials say Authority Assist provides more effective control of many resistant biotypes, making it a resistance management tool.

FMC officials say its dual mode of action makes Authority Assist a key herbicide to provide more complete residual control of tough weeds and grasses and widen the window of application for the postemergence application.

Growers can apply Authority Assist pre-plant, preplant incorporated, or pre-emergence in no-till, minimum-till, or conventional tillage systems. To get a head start on planting, growers can apply Authority Assist in the fall or as a preplant application in early spring. The broad-spectrum label means growers can achieve more consistent control of broadleaves and grasses, resulting in higher yields, says company officials.

"Authority Assist provides soybean growers effective residual control of tough broadleaf weeds and grass assist in one convenient product," says Yemel Ortega, product manager for FMC. "Authority Assist provides control of problematic weeds, allowing growers more flexibility in post application timing and contributing to maximize soybeans yields."

Authority Assist can be applied as a tank mix with other herbicides for more broad-spectrum control of emerged weeds and grasses in fall burndown and spring pre-plant treatments. Usage rates for Authority Assist vary from 4 ounces per acre to 12 ounces per acre, depending on level of weed pressure.

Authority Assist is the latest product in the FMC Authority brand of herbicides. Authority First DF herbicide delivers dual modes of action for control of large- and small-seeded broadleaf weeds. Authority MTZ herbicide, with its Flexi-Crop Advantage, allows growers the flexibility to adapt planting options to changing market demands and weather patterns to get the most out of every acre.

FMC has a new option for broad-spectrum control of broadleaf weeds with grass control assistance in soybeans. Authority Assist is labeled for control of a variety of key weeds including:

  • Waterhemp
  • Lambsquarters
  • Pigweed
  • Cocklebur
  • Velvetleaf
  • Venice mallow
  • Nightshade
  • Morning glory
  • Nutsedge
  • Kochia
  • Russian thistle
  • Barnyardgrass
  • Foxtail
  • Fall panicum

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