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Bur Ragweed

Bur Ragweed is known by several names: Woollyleaf burasage, woolly leaf povertyweed and lagoonweed. It is a perennial forb native to North America, and reproduces by underground rhizomes and seeds. Seeds are tough and woody with hook-like spines.

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Appearance

The plants are erect, 1 to 2 feet high, bushy, and usually covered with fine woolly hairs. It is not abundant in south central Kansas, but is spreading east. Tillage practices sometimes chop up and spreads the rhizomes, which can root and grow new plants. 

Control

Timely herbicide applications along with the planting of competitive crops such as small grains is the most effective way to control Bur Ragweed.

Treatment

Some approved chemicals for control include:

  • 2,4-D LVE
  • Dicamba
  • Glyphosate
  • Picloram
  • Imazapic
  • Aminopyralid

Recommended herbicides are available at the Pratt County Noxious Weed Department on a cost-share basis. For more information regarding this noxious weed you can either contact our office, or the County Weed Directors Association of Kansas, or go to the Kansas Department of Agriculture Noxious Weed Control Website.

  1. Pratt County

  1. 300 S Ninnescah

  1. Pratt, KS 67124

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