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Articles by N.G.M. Hague
Total Records ( 2 ) for N.G.M. Hague
  A.N. Mahar , D.A. Darban , S.R. Gowen , N.G.M. Hague , N.D. Jan , M. Munir and A.Q. Mahar
  The bacterium from Pseudomonas putida from Steinernema abbasi and its metabolic secretions caused the mortality of the Galleria mellonella pupae. Experiments were conducted in sand and filter paper on time exposure, temperature, moisture, dose and time of penetration of bacterium in pupae and tested stored or dried toxic metabolites using G. mellonella pupae as a test target organism. Death of pupae was probably due to the toxic metabolites. Pseudomonas putida cells were recovered from the haemocoele when bacterial cells were applied to the G. mellonella pupae indicating that bacterial cells can enter the haemocoele in the absence of nematode vector. Penetration of bacterium was found rapidly after application on G. mellonella pupae. Pseudomonas putida or its toxic secretions can be used as a microbial control for insect control. The experimental results indicate that there is possibility of using P. putida and its toxic secretions as a biopesticide and can contribute in the development of new microbial and biological control against insect pests.
  A.N. Mahar , M. Munir , S.R. Gowen and N.G.M. Hague
  The entomopathogenic bacterium, Photorhabdus luminescens and its metabolites were found lethal to the Galleria mellonella when applied in sand media. Bacterium penetrated quickly in the haemocoele as it got contact with insect body. It was also observed that the toxic metabolites caused more larval death than the bacterial cells. P. luminescens cells were recovered from the haemocoele when suspensions containing bacterial cells were applied to the G. mellonella indicating that bacterial symbionts do have a free-living existence and can enter the haemocoele in the absence of nematode vector. This bacterium or its toxic secretions can be used for insect control that can be important component of integrated pest management against different insect pests.
 
 
 
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