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1 results

  • Woolly Croton (Croton capitatus) and Bitter Sneezeweed (Helenium amarum) Control in the Blackland Prairie of Texas

  • Rodney W. Bovey, Robert E. Meyer
  • Journal:
    Weed Technology / Volume 4 / Issue 4 / December 1990
    Published online by Cambridge University Press:
    12 June 2017, pp. 862-865

  • Field studies were conducted in 1984 and 1986 to identify herbicides that would control woolly croton and bitter sneezeweed on grazing land in the Blackland prairies of Texas. Herbicides included chlorsulfuron, clopyralid, dalapon, dicamba, 2,4-D, glyphosate, metsulfuron, picloram, tebuthiuron, 2,4,5-T, and triclopyr. Chlorsulfuron and metsulfuron applied at 0.018 kg ha-1 and 2,4-D, picloram, 2,4,5-T, and triclopyr at 0.28 kg ha-1 controlled >80% of the woolly croton. Metsulfuron controlled more than 90% of the bitter sneezeweed at 0.018 kg ha-1. Similar control was obtained with clopyralid, glyphosate, and picloram each at 0.28 kg ha-1. Bermudagrass cover increased with all herbicide treatments except dalapon at one of three sites.