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Bio-efficacy of clodinafop-propargyl + metsulfuron methyl against complex weed flora in wheat Kumar Suresh1,*, Angiras N.N.1, Rana S.S.1 1Department of Agronomy, Forages and Grassland Management, CSK HPKV, Palampur (Himachal Pradesh), *E-mail: skg_63@yahoo.com
Abstract Clodinafop 60 g/ha and metsulfuron methyl 4 g/ha + surfactant 0.02% alone, combinations of clodinafop and metsulfuron + surfactant at the similar and double dose and isoproturon + 2, 4-D were evaluated against complex weed flora in wheat during 2007–08 and 2008–09. Phalaris minor, Avena ludoviciana and Lolium temulentum were the major grassy weeds. Vicia sp, Anagallis arvensis and Lathyrus aphaca were among the broad-leaved weeds found growing in association with wheat crop. All the herbicidal treatments significantly reduced the dry weight of weeds. Tank mixture of clodinafop 60 g/ha + metsulfuron 4 g/ha and clodinafop 120 g/ha + metsulfuron 8 g/ha with and without 0.2% surfactant provided excellent control of weeds and produced significantly higher grain yield of wheat. Weeds caused 55.7% reduction in wheat grain yield. Top Keywords Clodinafop propargyl, Metsulfuron methyl, Surfactant, Complex weed flora, Wheat. Top | | | |
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