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1 results

  • Herbicide Systems for Johnsongrass (Sorghum halepense) Control in Soybeans (Glycine max)

  • Kim Winton-Daniels, Robert Frans, Marilyn McClelland
  • Journal:
    Weed Technology / Volume 4 / Issue 1 / March 1990
    Published online by Cambridge University Press:
    12 June 2017, pp. 115-122

  • Fenoxaprop, fluazifop-P, haloxyfop, quizalofop, and sethoxydim applied postemergence reduced johnsongrass populations in soybeans over a 3-yr period. The selective postemergence herbicides were more effective as split applications than as single, high-rate applications for controlling heavy infestations of johnsongrass. Fluchloralin applied preplant incorporated decreased the number of postemergence applications required to maintain johnsongrass control above 80%, although control depended primarily upon the selective, postemergence herbicides. Glyphosate applied by ropewick reduced johnsongrass populations more when used in conjunction with fluchloralin than when used alone.