National Academy Science Letters

, Volume 41, Issue 1, pp 1–5 | Cite as

Evaluation of New Generation Post-emergence Herbicides in Chickpea (Cicer arietinum L.)

  • C. P. Nath
  • R. P. Dubey
  • A. R. Sharma
  • K. K. Hazra
  • Narendra Kumar
  • S. S. Singh
Short Communication


Chickpea faces an extended period of critical weed competition due to its slow initial growth and requires sequential herbicide application to obtain maximum yield. However, no post-emergence herbicides are available especially for controlling broad-leaved weeds. Post-emergence herbicides like topramezone, imazethapyr + imazamox and clodinafop-propargyl + Na-acifluorfen for their phytotoxicity and bio-efficacy was evaluated in chickpea. Phytotoxicity of imazethapyr + imazamox 60 g a.i./ha on chickpea was prolonged and crop recovery was poor. On the contrary, phytotoxicity on crop due to topramezone 40 and 60 g a.i./ha and clodinafop-propargyl + Na-acifluorfen 500 g a.i./ha was minimal (rating < 3) and crop growth were more vigorous after their recovery at 25 days after application of herbicides with satisfactory toxicity on weeds (rating > 6). Significantly lower (P ≤ 0.05) weed population by 66.2 and 54% were recorded in topramezone 60 g a.i./ha and clodinafop-propargyl + Na-acifluorfen 500 g a.i./ha, respectively, over unweeded control at 65 DAS, besides significant reduction in dry weight of weeds. The WCE and WCI were higher in topramezone 60 g a.i./ha (71.6%) at 65 DAS and in clodinafop-propargyl + Na-acifluorfen 500 g a.i./ha at 95 DAS, respectively. Moreover, these had an edge over two hand weeding and quizalofop ethyl 50 g a.i./ha (recommended post-emergence herbicide) in chickpea. Treatments topramezone 40 g a.i./ha and clodinafop-propargyl + Na-acifluorfen 500 g a.i./ha recorded significantly (P ≤ 0.05) higher grain yield by 26.4 and 20.1% over quizalofop ethyl 50 g a.i./ha. Therefore, topramezone and clodinafop propargyl + Na-acifluorfen could be an option for controlling the diversified weed flora particularly broad-leaved weeds like Chenopodium album, Melilotus alba, Medicago denticulata and others in chickpea.


Clodinafop-propargyl + Na-acifluorfen Phytotoxicity Topramezone Yield 



The authors gratefully acknowledge the support received from the ICAR–Indian Institute of Pulses Research and ICAR-Directorate of Weed Research, for successful conduct of this research work.


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Copyright information

© The National Academy of Sciences, India 2017

Authors and Affiliations

  • C. P. Nath
    • 1
  • R. P. Dubey
    • 2
  • A. R. Sharma
    • 2
  • K. K. Hazra
    • 1
  • Narendra Kumar
    • 1
  • S. S. Singh
    • 1
  1. 1.Division of Crop ProductionICAR-Indian Institute of Pulses ResearchKanpurIndia
  2. 2.ICAR-Directorate of Weed ResearchJabalpurIndia

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