Chaperone® herbicide is a flexible solution to tough broadleaf weeds in IP, conventional and herbicide-tolerant soybeans.


  • Active ingredient:  Group 2 (chlorimuron-ethyl)
  • Application timing:  Burndown, pre-plant, pre-emergent, post-emergent
  • Treatment area:  One case treats 100 acres
  • Product rate:  36 g/ha (14.4 g/ac.)
  • PCP #:  30475

Registered crops

  • Soybeans

Weeds controlled

  • Common ragweed* (including glyphosate-resistant biotypes)
  • Dandelion
  • Redroot pigweed*
  • Velvetleaf
  • Yellow nutsedge

*Populations exist that are resistant to Group 2 herbicides

Weed Control Challenge

Problem weeds like dandelion, velvetleaf and pigweed can emerge before a crop is planted or after the new crop emerges. These tough weeds are very adaptable and you need a herbicide that is too.

Nufarm Solution

Chaperone herbicide delivers outstanding application flexibility – from burndown through post emergence  for consistent control of tough perennial and annual weeds in both IP, conventional and herbicide-tolerant soybean systems. 


  • Effective, season-long control of tough broadleaf weeds
  • Enhances the activity of glyphosate while adding dependable residual when used as a burndown
  • Takes down broadleaf escapes and prevents secondary flushes when used post-emergent


  • Excellent activity on tough winter annual and perennial weeds
  • Apply from pre-plant to post-emergent up to the 3-leaf stage of soybeans
  • Consistent, strong dandelion control
  • No surfactant required for pre-emergent use
  • Non-ionic surfactant required for post-emergent use
  • Crop safe and easy to use