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Pesky vine taking over rasberry patch #582341

Asked July 22, 2019, 10:36 AM EDT

A friend asked me to find an answer to a vine type plant that is chocking out his raspberries. It has narrow leaves and it sticks to clothing like a burr. it has berries in the spring. Thank you in advance, Greg Hendershot

Lapeer County Michigan

Expert Response

This weed is called catchweed bedstraw (Galium aparine). Catchweed bedstraw is a winter annual or summer annual plant that is native to Michigan. It reproduces exclusively by seed.

Due to the proximity to the raspberries control with a herbicide at this point is not advised. The best strategy is likely to remove as much as possible by hand before flowering or seed dispersal. After this year it would be advised to use a preemergence herbicide during the early spring to help prevent this weed from coming up from the seedbank. Preemergence herbicides labeled for use in raspberry include the following.
  • diuron (Karmex 80 F)
  • terbacil (Sinbar 80 WDG)
  • norflurazon (Solicam 80 DF)
  • oryzalin (Surflan 4 AS)
  • indaziflam (Alion 1.67 SC)
  • sulfentrazone (Zeus XC 4F)
Please remember to read and follow all labeled instructions when making a pesticide application to ensure it is used with maximum safety and efficacy. 
Erin Hill, PhD Replied July 22, 2019, 4:15 PM EDT

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