Evaluation of efficacy of some herbicides on weed control in canola (Brassica napus L.) in the Selseleh city of Lorestan province.

Canola (Brassica napus. L) due to particular agronomic characteristics، has a special place among oilseed crops and more attention has been in recent years. One of the problems with this product، it has weeds in canola crops. Treatments included a performance of Trifluralin، Trifluralin + Butisan (Metazachlor + Quinmerac) and Trifluralin+ Haloxyfob in the canola crop. Experimental was carried out using design in randomized complete block design with three replications، the field experiment was conducted at the experimental station of the Selseleh town of Lorestan province in (2010-2011). Analysis of variance showed that Percent of narrow leaf weed control on the herbicide treatment of Trifluralin and Trifluralin + Butisan was 70 and 76 percent، respectively. Herbicide treatmet of Trifluralin + Haloxyfob had significant impact on the narrow leaf weed control and more than 93% of the narrow leaf weeds can be controlled.