Publications for:

pest = Sonchus oleraceus (weed)
country = Canada (west)

found 2 publications:

2006

Rotation length, canola variety and herbicide resistance system affect weed populations and yield
Weed Science (2006) 54 (4), 724-734
publishers website - pestinfo wiki

2005

Glyphosate-resistant spring wheat production system effects on weed communities
Weed Science (2005) 53 (4), 451-464
publishers website - pestinfo wiki