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2019•Journal of Pharmacognosy and PhytochemistryOpen access

Bio-efficacy of entomopathogenic nematode Heterorhabditis indica against Helicoverpa armigera (Hubner)

R.P. Kamaliya, DM Jethva, N. M. Kachhadiya, J. B. Bhut, N. D. Dholariya

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Abstract

The investigations on bio-efficacy of entomopathogenic nematode, Heterorhabditis indica against Spodoptera litura (Fabricius) was carried out at Biocontrol Research Laboratory, Department of Entomology, Junagadh Agricultural University, Junagadh during 2014-15. Bio-efficacy of H. indica against H. armigera revealed that H. indica caused cent per cent larval mortality of 3rd, 4th and 5th instar larvae of H. armigera at inoculum levels of 20, 40, 60, 80 and 100 IJs/larva after exposure time of 120 hrs. Third instar larvae were most susceptible to H. indica than fourth and fifth instar larva.

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What this paper is about

The investigations on bio-efficacy of entomopathogenic nematode, Heterorhabditis indica against Spodoptera litura (Fabricius) was carried out at Biocontrol Research Laboratory, Department of Entomology, Junagadh Agricultural University, Junagadh during 2014-15. Bio-efficacy of H. indica against H. armigera revealed that H. indica caused cent per cent larval mortality of 3rd, 4th and 5th instar larvae of H. armigera at inoculum levels of 20, 40, 60, 80 and 100 IJs/larva after exposure time of 120 hrs. Third instar larvae were most susceptible to H. indica than fourth and fifth instar larva.

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Available abstract

The investigations on bio-efficacy of entomopathogenic nematode, Heterorhabditis indica against Spodoptera litura (Fabricius) was carried out at Biocontrol Research Laboratory, Department of Entomology, Junagadh Agricultural University, Junagadh during 2014-15. Bio-efficacy of H. indica against H. armigera revealed that H. indica caused cent per cent larval mortality of 3rd, 4th and 5th instar larvae of H. armigera at inoculum levels of 20, 40, 60, 80 and 100 IJs/larva after exposure time of 120 hrs. Third instar larvae were most susceptible to H. indica than fourth and fifth instar larva.

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

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Bio-efficacy of entomopathogenic nematode Heterorhabditis indica against Helicoverpa armigera (Hubner) — Research Paper | ScholarLens