Indian Journal of Agricultural Research

  • Chief EditorT. Mohapatra

  • Print ISSN 0367-8245

  • Online ISSN 0976-058X

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  • SJR 0.293

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Indian Journal of Agricultural Research, volume 51 issue 3 (june 2017) : 296-298

Efficacy of white muscardine fungus (Beauveria bassiana) on rice hispa (Dicladispa armigera)

Rupesh Sharma*, Lakhi Ram, Renu Devi
1<p>Chaudhary Charan Singh Haryana Agricultural University, Rice Research Station, Kaul- 132 021, India</p>
Cite article:- Sharma* Rupesh, Ram Lakhi, Devi Renu (2017). Efficacy of white muscardine fungus (Beauveria bassiana) on rice hispa (Dicladispa armigera) . Indian Journal of Agricultural Research. 51(3): 296-298. doi: 10.18805/ijare.v51i03.7922.

A laboratory experiment was conducted to evaluate the toxicity of Beauveria bassiana (Bals.) Vuill. on the adults of rice hispa [Dicladispa armigera (Olivier)] (Coleoptera: Chrysomelidae), under controlled conditions (25±1.00°C temperature and 80±1.00% relative humidity). The efficacy of B. bassiana was found to reduce gradually with an increase in the period of release of rice hispa adults after spraying the fungus. Simultaneous release of adults after spray (0h) and 12h later resulted in adult mortality 93.33 and 83.33 per cent, were statistically superior over other treatments and found as a potential bio-agent against D. armigera. The fungus was highly pathogenic and the LT50  was observed at 5.50 days. White frosty mycelia growth covered the entire body surface including the appendages of the adults.

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