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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 1
Efficacy of Beauveria bassiana (Bals.) Vuill. against Helopeltis theivora Waterhouse in tea

RN Borkakati and DK Saikia

Experiment was conducted against tea mosquito bug (TMB), Helopeltis theivora Waterhouse (Hemiptera: Miridae) at Kachagaral, Jorhat, Assam during 2015-16 and 2016-17 to compare the efficacy of the IIHR strain of Beauveria bassiana (Bals.) Vuill. @ 2.5 ltr/ha with commercial formulation of B. bassiana (@ 2.5 lit/ha), Azadirachtin 1000 ppm (@ 2.5ltr/ha) and a conventional insecticide thiamethoxam WG (30g ai/ha). Out of different treatments, results showed that IIHR strain of B. bassiana was recorded minimum adults (15.76 and 18.60) as compared to untreated control (26.75 and 53.00) but was at par with Azadirachtin 1000 ppm (16.25 and 20.30) and commercial formulation B. bassiana (17.25 and 25.40) per 10 plants during 2015-16 and 2016-17, respectively.
Pages : 52-53 | 1009 Views | 172 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
RN Borkakati, DK Saikia. Efficacy of Beauveria bassiana (Bals.) Vuill. against Helopeltis theivora Waterhouse in tea. J Entomol Zool Stud 2019;7(1):52-53.

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