Open Access Research Paper Views (889) Competitive ability of canola cultivars (Brassica napus L.) against their natural weed populations Hashem Aminpanah, Saeed Firouzi, Abouzar Abbasian Int. J. Biosci. 3(3), 121-128, March 2013. DOI: http://dx.doi.org/10.12692/ijb/3.3.121-128 Keywords: Canola, Competitiveness, Integrated weed management Details