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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2004, Vol. 5 Issue (10): 1183-1190    DOI: 10.1631/jzus.2004.1183
Life Science & Biotechnology     
Microbial control of diamondback moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae) using bacteria (Xenorhabdus nematophila) and its metabolites from the entomopathogenic nematode Steinernema carpocapsae
MAHAR A.N., MUNIR M., ELAWAD S., GOWEN S.R., HAGUE N.G.M.
Department of Agriculture, University of Reading, Reading RG6 6AT, UK; School of Plant Sciences, University of Reading, Reading RG6 6AS, UK
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Abstract  Cells and cell-free solutions of the culture filtrate of the bacterial symbiont, Xenorhabdus nematophila taken from the entomopathogenic nematode Steinernema carpocapsae in aqueous broth suspensions were lethal to larvae of the diamondback moth Plutella xylostella. Their application on leaves of Chinese cabbage indicated that the cells can penetrate into the insects in the absence of the nematode vector. Cell-free solutions containing metabolites were also proved as effective as bacterial cells suspension. The application of aqueous suspensions of cells of X. nematophila or solutions containing its toxic metabolites to the leaves represents a possible new strategy for controlling insect pests on foliage.

Key wordsBacterial symbionts      Xenorhabdus nematophila      Entomopathogenic nematode      Steinernema carpocapsae      Diamondback moth      Plutella xylostella     
Received: 24 May 2004     
CLC:  TQ150.9  
  O646.5  
  X783  
Cite this article:

MAHAR A.N., MUNIR M., ELAWAD S., GOWEN S.R., HAGUE N.G.M.. Microbial control of diamondback moth, Plutella xylostella L. (Lepidoptera: Yponomeutidae) using bacteria (Xenorhabdus nematophila) and its metabolites from the entomopathogenic nematode Steinernema carpocapsae. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2004, 5(10): 1183-1190.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2004.1183     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2004/V5/I10/1183

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