Efficiency of different herbicides application for control weed in wheat under rain fed conditions in Aleshtar

Population some of weed increased any year after spray in wheat at farms of Alashtar. Treaments were Teribenuron Metyle، 2-4-D، mix of (teribenuron + 2-4-D)، Solfusolfurun + Metsolfurun، Bromocide and Logeran extera herbicide that there designed as random complete block in fuor replications in 2009 - 2010. Result shwoed that the best were herbicides the Solfusolfurun + Metsolfurun and mix of (teribenuron + 2-4-D) with more than 92 percent damage. The most dry weight of matricaria sp. was 3. 8 and 5. 8 g/m2 in 2-4-D and Bromocide treatment regularly that had significant diference with control. Turgenia sp. was controled by 2-4-D and (teribenuron + 2-4-D) and their densites were decreased by this herbicides to 0 and 1 plant/m2 regularly that had significant diference with control treatment but this two weeds were not controled by solfusolfuron، Bromocxinyle + MCPA and tryasolforun + terbutrine herbicide and Dry wieght of this weeds were more than 3 g/m2 at this treatment. The Galium sp. Was controled to fine by Solfusolfurun + Metsolfurun and and mix of (teribenuron + 2-4-D) but it did not control by Bromocxinyle + MCPA and it less than 53 percent was damaged by 2-4-D. this result showed that to better control if weed in count must have chenged the type of herbicide.