ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785
 

ACHIEVEMENTS AND PROBLEMS IN THE WEED CONTROL IN OILSEED CANOLA Brassica napus L

Published in Scientific Papers. Series A. Agronomy, Vol. LVIII
Written by Grozi DELCHEV, Mitko GEORGIEV

Herbicides combinations and tank mixtures of herbicides with adjuvants, fertilizers, growth regulators, fungicides,insecticides, are more effective than when they are applied alone in canola crops. Their combined use often leads tohigh synergistic effect on yield. Data regarding herbicide for effective control of cruciferous weeds in crops of oilseedcanola are quite scarce even in worldwide. It is still search effective herbicides for their control in this culture. Problemis a post-effect of some herbicides used in the predecessors on succeeding crops, which is directly related to theweather conditions during their degradation. Most of the information in canola relates to conventional technology forthe weed control. There is not information about the new Clearfield technology in oilseed canola and used hybridsresistant to imazamox. A serious problem is also the volunteers of the Clearfield canola. They have resistance toherbicides different from that one of conventional canola hybrids. There is no information still in the scientificliterature to control of these volunteers.

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