National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Field experiment was conducted to study the efficiency of new formulation of pre-emergence herbicide clomazone 50 EC for weed management in HDPS cotton. Clomazone 50 EC was tested at different doses, @ 250, 500 and 750 g a.i. ha-1 and compared with Pendimethalin @ 680 g a.i. ha-1, Pyrithiobac sodium 10 EC and Quizalofop ethyl 5 EC @, cultural; method like one HW at 25 DAS and IC at 50 and 75 DAS, weed free check and other integrated methods. Application of Clomazone 50 EC @ 250 g a.i. ha-1 not showed phytotoxic injury to the germinating cotton and recorded lower weed density and biomass. It has resulted increased seed cotton yield of 38.5 % over unweeded control and higher net returns. Application of Clomazone 50 EC @ 250 g a.i. ha-1 PE fb HW at 25 DAS and IC at 50 and 75 DAS is ideal for better weed control efficiency is good integrated weed control practice.
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