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2010•Journal of Entomological ResearchRequires access

Evaluation of different strains/isolates of Beauveria bassiana (Balsamo) Vuillemin for their pathogenicity against Spodoptera litura fabricius

P. Rajanikanth, G. V. Subbaratnam, Saed Rahaman

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Abstract

Investigations conducted to evaluate four strains (Bb-13, Bb-11, Bb-5A and Bb-n) and two local isolates (Bb-L-1 and Bb-L-2) of Beauveria bassiana Vuillemin for their biological properties and pathogenicity against third instar larvae of Spodoptera litura fabricius, showed that the strain Bb-5A was superior with signifcantly higher radial growth, higher conidial concentration, low TG50, high spore viability and high pathogenicity. The strains Bb-13, Bb-11 and Bb-N recorded moderate performance.

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What this paper is about

Investigations conducted to evaluate four strains (Bb-13, Bb-11, Bb-5A and Bb-n) and two local isolates (Bb-L-1 and Bb-L-2) of Beauveria bassiana Vuillemin for their biological properties and pathogenicity against third instar larvae of Spodoptera litura fabricius, showed that the strain Bb-5A was superior with signifcantly higher radial growth, higher conidial concentration, low TG50, high spore viability and high pathogenicity. The strains Bb-13, Bb-11 and Bb-N recorded moderate performance.

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Available abstract

Investigations conducted to evaluate four strains (Bb-13, Bb-11, Bb-5A and Bb-n) and two local isolates (Bb-L-1 and Bb-L-2) of Beauveria bassiana Vuillemin for their biological properties and pathogenicity against third instar larvae of Spodoptera litura fabricius, showed that the strain Bb-5A was superior with signifcantly higher radial growth, higher conidial concentration, low TG50, high spore viability and high pathogenicity. The strains Bb-13, Bb-11 and Bb-N recorded moderate performance.

Key concepts: Spodoptera litura, Beauveria bassiana, Pathogenicity, Veterinary medicine, Biology, Instar, Larva, Bassiana

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