Rush skeletonweed (Chondrilla juncea)

Rush Skeletonweed

(Chondrilla juncea)

Description

  • Native to central Asia.
  • Small yellow flowers, long narrow leaves, and rigid, skeleton-like stems that have hairs at the base and produce a sticky white sap.
  • Grows up to 1m tall.
  • Highly adaptable and aggressive. Prefers well-drained rocky soils.

Consequences of Invasion

  • Negatively impacts agriculture by competing effectively with crops and replacing native forage for liverstock.

Integrated Pest Management Options

  • Prevention: Rush skeletonweed seeds can be transported by vehicles, equipment and livestock. Ensure they are clean and seed free before transporting them away from an infested location.
  • Mechanical: Digging, clipping seed heads, and hand pulling can be used to contain a population of rush skeletonweed, but are not an effective form of eradication due to the plant’s extensive root system. All landfills within the RDCK and RDKB accept invasive plant species for free. Ensure your material is bagged in clear plastic bags and notify the attendant that you have invasive plant species. Plants must be identifiable through the bag. For more information please see the RDCK Resource Recovery Bylaw.
  • Biological: Bradyrrhoa gilveolella (moth), Eriophyes chondrillae (gall mite), Puccinia chondrillina (stem and leaf rust) are used in British Columbia.

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