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Control of Canada thistle and Perennial Sow-thistle in Direct Seeding Systems |
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Author:
Lloyd Darwent, Duane Stevenson and Peter Gamache
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Date Created:
May 10, 2004 |
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Last Reviewed:
January 16, 2009 |
Canada thistle (Cirsium arvense L.) is a common problem on Alberta farmland, regardless of the type of tillage system used. Infestations of 15 to 20 shoots per square meter can reduce wheat yields by as much as 36 per cent.
Click here to view the factsheet or on the pdf above to download the 7 page file. |