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1 results

  • Flurtamone for Wild Mustard (Sinapis arvensis) Control in Canola (Brassica napus and B. campestris)

  • David A. Wall
  • Journal:
    Weed Technology / Volume 6 / Issue 4 / December 1992
    Published online by Cambridge University Press:
    12 June 2017, pp. 878-883

  • The tolerance of canola to soil applied flurtamone was investigated in greenhouse and field studies. In the greenhouse, the dosage of flurtamone required to reduce canola fresh weight by 50% was 7.1- to 8.4- and 4.4- to 6.1-fold higher for B. napus and B. campestris cultivars, respectively, than that required to reduced wild mustard fresh weight by 50%. B. campestris cultivars tended to be more sensitive to flurtamone than B. napus cultivars. In the field, flurtamone applied at 0.4 to 0.5 kg ai ha-1 controlled 80% of wild mustard in canola (B. napus cv. ‘Westar’). In 1991 canola plant densities were reduced by increasing rate of flurtamone, but seed yields were unaffected by rate of application in either year.