Management of weeds in direct-seeded rice by bispyribac-sodium
2014
Singh, Rohitashav | Pal, Ram | Singh, Tejpratap | Singh, A.P. | Yadaw, Subash | Singh, Jodhpal
A field experiment was conducted during the Kharif season of 2011 and 2012 at G.B.Pant University of Agriculture and Technology, Pantnagar to find out the efficacy of bispyribac-sodium in managing weeds in direct-seeded rice. Among the treatments, bispyribac-sodium 20 and 25 g/ha applied at 1–3 leaf stage or at 4–6 leaf stage of the weeds was found the most efficient having lowest weed density and biomass during both the years. Rice grain yield and yield attributing characters (tillers/m² and grains/panicle) were influenced by the effectiveness of the treatments. The highest grain yield of rice was recorded with weed free (4.03 t/ha) which was at par with bispyribac-sodium 20 and 25 g/ha.
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