2014•INTERNATIONAL JOURNAL OF PLANT PROTECTIONRequires access

Dose response of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera (Hubner) on pigeonpea

Mitul Karkar, M. N. Kapadia, D. M. Jethva

Abstract

A laboratory experiment was conducted to determine the effective dose of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera (Hubner) on pigeonpea at Bio-control Laboratory, Department of Entomology, College of Agriculture, JAU, Junagadh during 2011. The results revealed that the higher dose of B. bassiana 10 8 conidia/g @ 3.5 g/litre proved to be the most effective dose among five doses(1.5 to 3.5 g/lit) tested against the third instar larvae of H. armigera. The mortality was increased with the increase in the doses of B. bassiana. How to view point the article : Karkar, M.A., Kapadia, M.N. and Jethva, D.M. (2014). Dose response of Beauveria bassiana (Balsamo) Vuillemin against Helicoverpa armigera (Hubner) on pigeonpea. Internat. J. Plant Protec., 7(1) : 255-256.

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Key concepts: Beauveria bassiana, Helicoverpa armigera, Bassiana, Biology, Biological pest control, Helicoverpa, Horticulture, Toxicology