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Virulence of entomopathogenic bacteria Xenorhabdus bovienii and Photorhabdus luminescens against Galleria mellonella larvae

Rahoo, A. M., Mukhtar, T., Gowen, S. R. and Pembroke, B. (2011) Virulence of entomopathogenic bacteria Xenorhabdus bovienii and Photorhabdus luminescens against Galleria mellonella larvae. Pakistan Journal of Zoology, 43 (3). 543-548. ISSN 0030-9923

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Official URL: http://zsp.com.pk/vol-43[3].html

Abstract/Summary

Keeping in view the serious health and environmental apprehensions associated with the use of pesticides, entomopathogenic symbiotic bacteria have the potential to supersede pesticides for the management of various pests. Lab experiments were conducted to test the toxicity of two bacteria Xenorhabdus bovienii and Photorhabdus luminescens at different bacterial concentrations against Galleria mellonella larvae and influence of different abiotic factors viz.: substrates, temperatures and moisture levels were ascertained on the efficacy of these bacteria. P. luminescens and X. bovienii caused the maximum mortality (99 and 90%, respectively) at a concentration of 4 x 107 cells/ml. Mortality caused by P. luminescens was significantly higher than that of X. bovienii. Highest mortality was observed on sand as compared to filter paper. A temperature of 30oC and a moisture level of 20 % were found optimum for the maximum mortality.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Agriculture, Policy and Development > Biodiversity, Crops and Agroecosystems Division > Crops Research Group
ID Code:21832
Uncontrolled Keywords:Entomopathogenic bacteria, Xenorhabdus bovienii, Photorhabdus luminescens, Galleria mellonella
Publisher:Zoological Society of Pakistan

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