Publications for:

pest = Viola arvensis (weed)
crop = Rape/canola (Brassica napus)
country = Canada (west)

found 2 publications:

2005

Plasticity, life cycle and interference potential of field violet (Viola arvensis Murr.) in direct-seeded wheat and canola in central Alberta
Canadian Journal of Plant Science (2005) 85 (1), 271-284
publishers website - pestinfo wiki

Effect of herbicides on field violet (Viola arvensis) in four direct-seeded canola management systems
Weed Technology (2005) 19 (3), 608-622
publishers website - pestinfo wiki