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CONQUER® herbicide is the only pre-seed burndown solution with two active ingredients and two modes of action for use with glyphosate prior to canola.


Active ingredients:  Group 14 (carfentrazone), Group 6 (bromoxynil)
Rainfast:  6 hours
Treatment rate:  One case treats 80 acres
Tank-mix order:  Carfentrazone, bromoxynil, glyphosate
Notes:  Canola can be seeded immediately after application, for best results spray in the heat of the day

Registered crops

  • Canola

Weeds controlleD


  • Chickweed
  • Cleavers
  • Dandelion (spring germinated)
  • Flixweed
  • Horsetail
  • Kochia (including Group 2, 5 and glyphosate-resistant biotypes)
  • Lamb’s-quarters
  • Redroot pigweed
  • Russian thistle
  • Shepherd’s-purse
  • Smartweed
  • Stinkweed
  • Tansy mustard
  • Volunteer canola (including glyphosate-tolerant biotypes)

Weed Control Challenge

Growing range of weed control challenges in canola

Glyphosate has been used for years for effective burndown. But with the widespread adoption of glyphosate-tolerant crops like canola and the spread of glyphosate- and Group 2-resistant weeds like kochia and cleavers, growers are now faced with more weed control challenges than ever. Products with a single active ingredient have too narrow a spectrum to control the growing range of weeds.

Nufarm Solution

Complete weed control that’s safe on canola

CONQUER® delivers faster, more complete weed control in a canola pre-seed burndown than glyphosate alone. CONQUER has two active ingredients with two separate modes of action, and when mixed with glyphosate, weeds face a triple action threat especially kochia, cleavers, volunteer canola, plus Group 9- (glyphosate) and Group 2-tolerant volunteers.



  • Volunteer canola control
  • Fast burndown compared to bromoxynil alone
  • Excellent weed control including all Group 2- and glyphosate-tolerant biotypes of volunteer canola, kochia and cleavers. 
  • Non residual activity eliminates any risk to the emerging canola crop


  • The best burndown product available for use before seeding canola
  • Protects long-term viability of agronomic tools such as glyphosate and glyphosate-tolerant traits
  • No surfactant required when used with glyphosate


Performance Tips

CONQUER is a contact herbicide and must be applied directly on growing weeds for effective results.

  1. Droplet size – use a combination of nozzle type and sprayer speed to achieve a fine to medium droplet size, adjust sprayer speed to optimize weed coverage
  2. Water volume – use 10 gal./ac. water volume for adequate coverage on weeds