Combination control of weed and its effect on some morphologic traits and dependent characteristic (Brassica napus).

In order to surrey combination of weed in autumn cultivation of (Canola-hyola 401) in Gilane Gharb in 2011.weed control method were used as randomized block whith 4 repetations and this test were applied as main pot in 9 levels (without control, complete control, gallant super, lontrol, galant super + lontrol, cultivator in stage 4-6 leaves, cultivator + gallant super, cultivator + lontrol, cultivator + gallant super + lontrol )there were in cultivation of (Canolahyola401).in this research characteristic like plant height, biological, function harvest index ,seed function,seed oil percent,silique number stem diameter were measured, result show thatthe method of complete control and after the combination of gallant super + cultivator+lontrol have most effective result , and the method of without control has less effective result on controlling weed and function of Canola table test. All traits except percent canola oil at %1 and %5 signification collections were observed.

Keywords:

canola , spring cultivars , autumn cultivation , weeds control