Response of Isachne to herbicides using bioassay techniques

A study was conducted during 2014–2015 in College of Horticulture, Vellanikkara, Thrissur to understand response of the Isachne miliacea to common herbicides. Sensitivity of the weed to preand post-emergence herbicides were tested using seed and whole plant bioassay techniques, respectively. The pre...

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Bibliographic Details
Published in:Indian journal of weed science 2015-10, Vol.47 (4), p.442-444
Main Authors: Suada, A.P, Girija, T
Format: Article
Language:English
Subjects:
Bioassay technique
Isachne miliacea
Pre-and post-emergence herbicides
Regrowth
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Summary:A study was conducted during 2014–2015 in College of Horticulture, Vellanikkara, Thrissur to understand response of the Isachne miliacea to common herbicides. Sensitivity of the weed to preand post-emergence herbicides were tested using seed and whole plant bioassay techniques, respectively. The pre-emergence herbicides butachlor and oxyfluorfen gave the best results. Among postemergence herbicides, effective control was observed for azimsulfuron, cyhalofop-butyl and fenoxaprop-p-ethyl. The weed was found to be resistant to pyrazosulfuron. Regrowth was observed after two weeks for bispyribac sodium and penoxsulam. All the non-traditional rice herbicides tested, viz. glyphosate, diuron, paraquat, glufosinate ammonium gave excellent control of the weed.
ISSN:0253-8040
0974-8164