Author(s):

Lakra K, Kumar PK, Husain K and Pyare R

Abstract: A research experiment was conducted during Rabi 2017-18 and 2018-19 at Kanpur to study the effect of irrigation, pre and post-emergence herbicides on Chenopodium album in wheat under split-plot design with four replication having four irrigation schedule and eight factors of weed management. Results revealed that application of two irrigations at CRI and active tillering stage (I₁) significantly reduces the density of C. album and their fresh and dry weight with highest weed control efficiency (WCE) irrigation at CRI+ jointing+ booting+ flowering+ milking stage (I₄) and irrigation at CRI + active tillering + booting + flowering stage (I₃) and it was statistically at par with irrigation at CRI + jointing + booting (I₂). Among weed management practices, significantly the lowest density, fresh and dry weight of C. album and the highest WCE was recorded with the post-emergence application of broadway (carfentrazone ethyl 20% + sulfosulfuron 25%WG) @ 100 g a.i. ha^-1 at 35 DAS as compared to other treatments. None of the weed management treatments as effective as hand at 20 and 40 DAS.

DOI: 10.22271/phyto.2021.v10.i1am.13773

Pages: 2757-2760  |  844 Views  337 Downloads

Download (291KB)