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Research Article

Native Warm-Season Grass and forb establishment using imazapic and 2, 4-D

Brian E Washburn and Thomas G Barnes
Native Plants Journal, March 2000, 1 (1) 61-69; DOI: https://doi.org/10.3368/npj.1.1.61
Brian E Washburn
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Thomas G Barnes
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Abstract

Of 7 herbicide mixtures applied pre- and post-emergence, a pre-emergence application of 0.07 kg active ingredient (ai) per ha (1 oz ai/ac) imazapic (Plateau) yielded the best establishment of 3 native warm-season grasses and 3 native forbs seeded on conventionally-tilled sites in Kentucky. Following this application, weed cover was reduced to < 5% during the first growing season, compared to > 95% in the control. After 2 growing seasons, plant density and percentage cover of little bluestem, big bluestem, and indiangrass both averaged 4.5X more than in the control. Illinois bundleflower, purple prairieclover, and lance-leaf coreposis were unaffected by the treatment, but purple coneflower density was reduced.

  • imazapic
  • little bluestem
  • big bluestem
  • indiangrass
  • Illinois bundleflower
  • purple prairieclover
  • lance-leaved coreopsis
  • purple coneflower
NOMENCLATURE
  • ITIS (1998)
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Native Plants Journal: 1 (1)
Native Plants Journal
Vol. 1, Issue 1
20 Mar 2000
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Native Warm-Season Grass and forb establishment using imazapic and 2, 4-D
Brian E Washburn, Thomas G Barnes
Native Plants Journal Mar 2000, 1 (1) 61-69; DOI: 10.3368/npj.1.1.61

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Native Warm-Season Grass and forb establishment using imazapic and 2, 4-D
Brian E Washburn, Thomas G Barnes
Native Plants Journal Mar 2000, 1 (1) 61-69; DOI: 10.3368/npj.1.1.61
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Keywords

  • imazapic
  • little bluestem
  • big bluestem
  • indiangrass
  • Illinois bundleflower
  • purple prairieclover
  • lance-leaved coreopsis
  • purple coneflower
  • ITIS (1998)
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