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Abstract (in English)
Wheat (Triticum aestivum L.) is a staple food crop globally, providing essential nutrients and energy for billions of people. Its cultivation is challenged by various weeds that compete for resources, leading to reduced yields and lower quality grains. Effective weed management is crucial for maximizing wheat production, and herbicides play a significant role in this process. Therefore the objective of this research is to find the most effective herbicide Studies were carried out to evaluate the efficacy of various post emergence herbicides on weeds in wheat crop at Agricultural faculty farm, Kabul University under irrigated conditions, during 2020-21. chemical control of weeds was hypothesized to be the best solution for wheat’s weeds and for this purpose, a field study was carried out to evaluate the relative efficacy of various post-emergence herbicides viz. 2,4-D @ 1.0 L ha-1, MCPA+2,4-D @ 1.0 L ha-1, Buctril-super 60 EC (Bromoxynil + MCPA) @ 0.750 L ha-1, Atlantis 3.6 WG (Mesosulfuron + iodosulfuron) @ 0.7 Kg ha-1 and Starane-M (fluroxypyr +MCPA) @ 0.750 L ha-1 for controlling weeds in wheat. The results of field experiment clearly showed that the plots treated with Buctril-super, 2,4-D, MCPA+2,4-D, Starane-M, Atlantis and hand weeding produced a higher number of tillers, plant height, spike length, and biological yield when compared with other treatments. The highest biological yield (10.611 t. ha-1) and grain yield (4.812 t. ha-1) were recorded in plots treated with Buctril-super compared to other applied herbicides. Therefore, Buctril-super is recommended for best control of broad-leaved weeds and taking an economical yield of wheat.