A field study was conducted during kharif 2019 and 2020 at the Agricultural Farm of the Palli Siksha Bhavana (Institute of Agriculture), Visva-Bharati, Sriniketan, Birbhum, West Bengal to evaluate the effect of tillage and herbicides on weed growth and the growth and productivity of rice in direct-seeded rice-yellow sarson crop sequence. Two tillage practices viz., zero and conventional tillage in main plot and eight weed management practices viz., oxadiargyl followed by (fb) bispyribac-sodium, penoxsulam + cyhalofop-butyl, oxadiargyl fb penoxsulam + cyhalofop-butyl, fenoxaprop-p-ethyl + ethoxysulfuron, oxadiargyl fb fenoxaprop-p-ethyl + ethoxysulfuron, pendimethalin fb bispyribac-sodium, weed free check and unweeded control in sub-plots were assigned in a split-plot design replicated thrice. The Results showed that the sequential application of herbicides oxadiargyl fb fenoxaprop-p-ethyl + ethoxysulfuron and oxadiargyl fb penoxsulam + cyhalofop-butyl registered 94.9-99.3% control over total weed biomass and also recorded the highest crop growth and biological yield of DSR.

Dry direct seeded rice, herbicide combination, tillage, weed management.

Thus, based on two year of experiment it can be concluded that sequential application of oxadiargyl fb fenoxaprop-p-ethyl + ethoxysulfuron and oxadiargyl fb penoxsulam + cyhalofop-butyl under zero or conventional tillage may be recommended for effective management of complex weed flora and higher productivity of rice in direct-seeded rice-yellow sarson cropping sequence in lateritic soils of West Bengal.

D.K. Jaiswal, B. Duary, Bonthala Madhukar and Divya Jaiswal (2022). Management of Diversified Weed Flora in Dry Direct-Seeded Rice Using Herbicide under different Tillage in Rice-Yellow Sarson Crop sequence in Lateritic Belt of West Bengal. Biological Forum – An International Journal, 14(3): 1558-1561