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Experiments on the possible use ofBacillus thuringiensis thuringiensis berliner in the control of crop pests

II. Susceptibility of some lepidopterous pests toB. thuringiensis

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Proceedings / Indian Academy of Sciences

Abstract

Two commercial preparations ofBacillus thuringiensis thuringiensis Berl. were used in laboratory tests on two noctuids:Prodenia litura (F.) andPlusia orichalcea (F.); two pyralids,Leucinodesorbonalis Guen. andChilo partellus (Swinh.); and one papilionid,Papilio demoleus L.

On the basis of the results obtained it was evident that all the larval stages ofPapilio were highly susceptible to both bacterial preparations, whileProdenia showed moderate susceptibility. The larvae ofPlusia, Leucinodes andChilo showed less susceptibility to one of the bacterial preparations tested. The results suggest thatPapilio demoleus, a serious pest of young citrus in nurseries in India, may be efficiently controlled through spray applications ofB. thuringiensis.

The larvae ofP. demoleus exhibited a fairly rapid paralysis followed by an increase of blood alkalinity after ingestion of spores, whereasP. litura larvae did not show any sign of paralysis or appreciable change in the pH of the haemolymph.

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References

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Authors and Affiliations

  1. Faculty of Agriculture, University of Khartoum, Sudan

    T. V. Venkatraman F.A.Sc.

  2. Department of Agriculture, Himachal Pradesh, Simla, India

    Ramesh Chander

Authors
  1. T. V. Venkatraman F.A.Sc.
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  2. Ramesh Chander
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Venkatraman, T.V., Chander, R. Experiments on the possible use ofBacillus thuringiensis thuringiensis berliner in the control of crop pests. Proc. Indian Acad. Sci. 66, 231–236 (1967). https://doi.org/10.1007/BF03052098

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  • DOI: https://doi.org/10.1007/BF03052098

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