Efficacy evaluation of Ultima (Nicosulfuron+Nimsulfuron) and Lumax (Mesotrion+ Smetolacholor+ Terbuthlazine) in comparison with current herbicide to control of weeds in corn.
2008
Zand, Eskandar | Baghestani, Mohammad A`li | Pur Azar, Reza | Sabeti, Peyman | Qezli, Farrokh Al-Din | Eskandari, A`li | Yazdi, Majid | Yavari Nezhad, Hassan | Diaji, Ahmad
In order to efficacy evaluation of some new herbicides to control of weeds in corn, a set of field studies were conducted in 2007 at 4 province of Iran, including Tehran (Varamin), Khuzestan, Fars, and Kermansh. Treatments were arranged in a RCBD design with four replications. Treatments consisted of Ultima (Nicosulfuron+Nimsulfuron), Lumax (Mesotrion+S-Metolacholor+Terbuthlazine), Amicarbazone (Daynamic), Rimsulfuron (Titus), Nicosulfuron (Cruz), Foramsulfuron (Equio), Atrazine plus Allachlor, EPTC, 2,4-D plus MCPA and weed free. To evaluate the effects of treatments, different characteristics including percent damage based on EWRC scores at 30 days after spraying, percent weed population reduction, percent weed dry mater reduction (separately for each weeds) and yield were measured. According to the result, Ultima at 175 g/ha, as a doual perpouse herbicide, could satisfactorily control broadleaf and grass weeds. Lumax still need further evaluations to prove their efficacy and Amicarbazon could not satisfactorily control weeds.
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