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2014•Annals of Plant Protection SciencesRequires access

Evaluation of entomopathogenic nematodes, Steinernema carpocapsae and Heterorhabditis indica for their virulence against Spodoptera litura

Prasanna Holajjer, Jagadeesh Patil, G. Harish, M. V. Nataraja, Poonam Poonam, Jasrotia, S.D. Savaliya

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Abstract

The 3rd and 4th instar larvae of Spodoptera litura were exposed to infective juveniles (IJs) of EPNs @ 2, 5, 10, 20 and 40 IJs cm−2 under laboratory condition. Both the species of EPNs showed higher activity against 4th instar larvae of S. litura than to 3rd instar lavae. Heterorhabditis indica caused significantly higher mortality at lower IJs level than Steinernema corpocapse. The reproductive potential of nematode was not affected by the level of IJs.

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What this paper is about

The 3rd and 4th instar larvae of Spodoptera litura were exposed to infective juveniles (IJs) of EPNs @ 2, 5, 10, 20 and 40 IJs cm−2 under laboratory condition. Both the species of EPNs showed higher activity against 4th instar larvae of S. litura than to 3rd instar lavae. Heterorhabditis indica caused significantly higher mortality at lower IJs level than Steinernema corpocapse. The reproductive potential of nematode was not affected by the level of IJs.

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Available abstract

The 3rd and 4th instar larvae of Spodoptera litura were exposed to infective juveniles (IJs) of EPNs @ 2, 5, 10, 20 and 40 IJs cm−2 under laboratory condition. Both the species of EPNs showed higher activity against 4th instar larvae of S. litura than to 3rd instar lavae. Heterorhabditis indica caused significantly higher mortality at lower IJs level than Steinernema corpocapse. The reproductive potential of nematode was not affected by the level of IJs.

Key concepts: Spodoptera litura, Instar, Entomopathogenic nematode, Nematode, Biology, Larva, Veterinary medicine, Heterorhabditis

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Evaluation of entomopathogenic nematodes, Steinernema carpocapsae and Heterorhabditis indica for their virulence against Spodoptera litura — Research Paper | ScholarLens