Volume 11, Issue 1 (2022)                   JCP 2022, 11(1): 121-131 | Back to browse issues page

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Ebrahimpour M H, Mokhtassi-Bidgoli A, Aghaalikhani M, Eyni-Nargeseh H. Post-emergence herbicides efficacy as affected by factory and climatic conditions in wheat Triticum aestivum. JCP. 2022; 11 (1) :121-131
URL: http://jcp.modares.ac.ir/article-3-54183-en.html
1- Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
2- Department of Agronomy, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran. , mokhtassi@modares.ac.ir
3- Department of Agricultural Science, Technical and Vocational University (T. V. U.), Tehran, Iran.
Abstract:   (127 Views)
The current study assessed the effects of common herbicides produced by different companies on broadleaved and grass weed control and quantitative traits of irrigated wheat. A two-year experiment (2013-2014 and 2014-2015) was designed as an RCBD with three replications. Experimental treatments included two control treatments (weedy and weed-free) and 15 herbicides produced by three Iranian companies (Ghazal, Golsam-Gorgan, and Gyah) and three international companies (BASF, Nufarm, and Syngenta). The results showed that H13 (bromoxynil + MCPA from BASF tank-mixed with clodinafop propargyl from Golsam Gorgan) and H14 (bromoxynil + MCPA from BASF tank mixed with clodinafop propargyl from Ghazal) treatments in 2014 and H5 (tribenuron methyl from Gyah) and H9 (clodinafop propargyl tank-mixed with tribenuron methyl from Golsam Gorgan) in 2015 almost completely controlled broadleaved and grass weeds. In 2014, H4 (2,4-D + MCPA from Nufarm) and H13 treatments with the averages of 7505 and 7338 kg ha-1 ranked first and second in grain yield, while H9 and H12 (bromoxynil + MCPA from BASF tank-mixed with clodinafop propargyl from Gyah) with the averages of 7966 and 7917 kg ha-1 were known as superior treatments in 2015. Averaged by years, the grain yield was 3185 kg ha-1 at weedy treatment (H17). Although there were no significant differences between herbicides, the grain yield (averaged by years and herbicides) was boosted by 88% compared with the weedy treatment. It was concluded that more rainfall and desirable air temperature positively affected the efficacy of the herbicides.
 
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Article Type: Original Research | Subject: Weed Science (Herbicides)
Received: 2021/07/19 | Accepted: 2022/04/4 | Published: 2022/06/18

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