Author(s):

Shivashenkaramurthy M, Roopa S Patil, Annapurna Neeralagi and Agasimani AD

Abstract: An experiment was conducted to evaluate the Bio-efficacy and Phyto-toxicity of Quinchlorac 180 g/l SL (Facet 180 g/l SL) against grassy weeds and sedges in paddy at Krishi Vigyan Kendra, Sirsi of UAS, Dharwad during 2013-14. This Quinchlorac 180 g/l SL was tried at different concentrations (135, 180, 225 and 450 g a.i/ha). The efficacy of this test herbicide formulation was compared with other herbicide viz. Bispyribac Sodium 10% SC @ 20 g a.i./ha, Cyhalofop Butyl 10 % EC @ 100 g a.i./ha and Butachlor 50 % EC @ 1250 g a.i./ha. The Significant control of grassy weeds and sedges were obtained with Quinchlorac 180 g/l SL @225 g a.i/ha as compared to other herbicides and untreated control. No Phyto-toxicity effect on rice was observed with any of the treatments. The Grain yield and straw yield of Rice was more with Quinchlorac 180 g/l SL @ 225g a.i/ha and on par with Quinchlorac 180 g/l SL @ 180 g a.i./ha.

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