Effect of Herbicides and their Mixtures on Broad Leaf Weeds and Yield of Wheat
Journal: International Journal of Advances in Agricultural Science and Technology (IJAAST) (Vol.7, No. 12)Publication Date: 2020-12-30
Authors : Abdul Wahab Walizada; V. S. Hooda; Charul Chaudhary; Meenakshi Sangwan; Satyajeet;
Page : 81-97
Keywords : Wheat; herbicide mixture; carfentrazone; halauxifen; metsulfuron; pyroxosulam;
Abstract
A field study was conducted at Agronomy Research Farm of CCS Haryana Agricultural University, Hisar during Rabi season of 2016-17. The experiment comprised of five post emergence herbicides (metsulfuron, carfentrazone, 2, 4-D Ester, pyroxsulam and halauxifen) and their mixtures at different doses along with weedy check and weed free treatment. Application of halauxifen + pyroxsulam sprayed at 23.96 g/ha at 35 days after sowing was the most effective treatment to control the broad leaf weeds in wheat with higher weed control efficiency. Application of the herbicides halauxifen + pyroxsulam at 23.96 g/ha, metsulfuron + 2, 4-D Ester at (3 + 500 g/ha) and halauxifen + pyroxsulam at 19.17 g/ha significantly increased the dry matter accumulation of wheat and plant height compared to weedy check. Application of halauxifen + pyroxsulam at 23.96 kg/ha, metsulfuron + 2, 4-D Ester at 3 + 500 g/ha and carfentrazone + 2, 4-D Ester at 15 + 500 g/ha resulted into higher number of tillers per meter row length. Halauxifen + pyroxsulam sprayed at 23.96 g/ha at 35 days after sowing resulted into higher grain yield of 5395 kg/ha, straw yield of 8466 kg/ha and biological yield of 13861 kg/ha followed by metsulfuron + 2, 4-D Ester at 3 + 500 g/ha and carfentrazone + 2, 4-D Ester at 15 + 500 g/ha.
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