Bio-efficacy of metsulfuron methyl and carfentrazone ethyl against weed spectrum in wheat (Triticum aestivum L.)

R.A. YADAV; M.H. ANSARI; ZEBA KHAN; M.A. ANSARI

doi:10.59797/ija.v68i3.2805

Authors

R.A. YADAV Chandrashekhar Azad University of Agriculture and Technology Kanpur, Uttar Pradesh 208 002
M.H. ANSARI Aligarh Muslim University, Aligarh, Uttar Pradesh 202 002
ZEBA KHAN Aligarh Muslim University, Aligarh, Uttar Pradesh 202 002
M.A. ANSARI ICAR-Institute of Farming Systems Research, Modipuram, Meerut, Uttar Pradesh 250 110

DOI:

https://doi.org/10.59797/ija.v68i3.2805

Keywords:

Bio-efficacy, Metsulfuron methyl 10% + Carfentrazone ethyl, Weed control

Abstract

A field experiment was conducted during the winter (rabi) season of 2016–17 and 2017–18 at the Chandra Shekhar Azad University of Agriculture and Technology Kanpur, Uttar Pradesh, to evaluate bio-efficacy and phytotoxicity of metsulfuron methyl 10% + carfentrazone ethyl 40% against weed flora in irrigated wheat crop (Triticum aestivum L). Major dominant weeds that infested the crop were lamb’s quarters (Chenopodium album L.), scarlet pimpernel (Anagallis arvensis L.) and white sweet clover (Melilotus albus Medik.). The lowest dry weight (g/m2) and weed-control efficacy (WCE) of test weed species were found in treatments T₄ (metsulfuron methyl 10% + carfentrazone ethyl 40% @ 100 g/ha), T₃ (metsulfuron methyl 10% + carfentrazone ethyl 40% @ 75 g/ha) and T₂ (metsulfuron methane 10% + carfentrazone ethyl 40% @ 50 g/ha) respectively. Application of metsulfuron methyl 10% + carfentrazone ethyl 40% at all doses was found to be effective against all the 3 weeds and significantly increased the yield of the main crop. Application of weedicides did not show any phytotoxicity symptoms on the wheat crop in both the seasons and also on the succeeding crop of rice (Oryza sativa L.).

Author Biographies

R.A. YADAV, Chandrashekhar Azad University of Agriculture and Technology Kanpur, Uttar Pradesh 208 002

Professor, Section of Rabi Cereals
M.H. ANSARI, Aligarh Muslim University, Aligarh, Uttar Pradesh 202 002

Assistant Professor, Center for Agricultural Education, Faculty of Agricultural Sciences
ZEBA KHAN, Aligarh Muslim University, Aligarh, Uttar Pradesh 202 002

Assistant Professor, Center for Agricultural Education, Faculty of Agricultural Sciences

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