Bio-Efficacy of Heterorhahditis indica Poinar in Combination with Helicoverpa armigera Polyhedrosis Virus against Helicoverpa arnligera (Hubner)
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DOI:
https://doi.org/10.18311/jbc/2004/4087Keywords:
Entomopathogenic Nematode, HaNPV, Helicoverpa armigera, Heterorhabditis indica, Infective Juvenile.Abstract
The bio-efficacy of Heterorhabditis indica Poinar in combination with Helicoverpa armigera nuclear polyhedrosis virus (HaNPV) against Helicoverpa armigera (Hiibner) was evaluated during 2002 in the laboratory. Results revealed thut combination of H. indica and HaNPV at all concentrations recorded highest mortality (100%) and were on par with alone inoculation of H. indica treatment, but significantly superior over HaNPV alone against third instar larva. Fourth instar larva suffered cent per cent mortality when inoculated with H. indica plus HaNPV at all concentrations after 48 h compared to H. indica alone (@ 200 Usl larva) which recorded 75 per cent mortality. The results indicate the synergistic effect when both the bioagents were combined against fourth instar larva.Downloads
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Published
2010-01-01
How to Cite
Prabhuraj, A., Patil, B. V., Shivaleela, ., & Girish, K. S. (2010). Bio-Efficacy of <I>Heterorhahditis indica</I> Poinar in Combination with <I>Helicoverpa armigera</I> Polyhedrosis Virus against <I>Helicoverpa arnligera </I>(Hubner). Journal of Biological Control, 18(2), 179–184. https://doi.org/10.18311/jbc/2004/4087
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