Publications for:

pest = Lolium persicum (weed)
country = Canada (west)

found 2 publications:

2013

Herbicide-resistant weeds in the Canadian prairies: 2007 to 2011
Weed Technology (2013) 27 (1), 171-183
publishers website - pestinfo wiki

1999

Weed suppression by Medicago sativa in subsequent cereal crops: a comparative survey
Weed Science (1999) 47 (3), 282-290
pestinfo wiki