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Pakistan Journal of Biological Sciences
  Year: 2003 | Volume: 6 | Issue: 19 | Page No.: 1649-1654
DOI: 10.3923/pjbs.2003.1649.1654
 
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Entomocidal effects of Sorghum seedlings extract on the cotton leafworm, Spodoptera littoralis Boisduval and its parasitoid, Microplitis rufiventris Kokujiv

M. Hafez, M.M. Matter and A.A. Younes

Abstract:
All larval instars of the cotton leafworm, S. littoralis were found susceptible to sorghum seedlings extract which markedly affected the viability of eggs, particularly 3-day old eggs and neonate larvae. Latent effects of the extract on subsequent instars of survivors was also obvious as retarding development, shortening of adult longevity and reducing egg production / female moth. Indirect effects of sorghum extract on the parasitoid, M. rufiventris were studied in relation to egg-larval development, pupal period, percent parasitoid emergence and adult longevity.
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How to cite this article:

M. Hafez, M.M. Matter and A.A. Younes , 2003. Entomocidal effects of Sorghum seedlings extract on the cotton leafworm, Spodoptera littoralis Boisduval and its parasitoid, Microplitis rufiventris Kokujiv. Pakistan Journal of Biological Sciences, 6: 1649-1654.

DOI: 10.3923/pjbs.2003.1649.1654

URL: https://scialert.net/abstract/?doi=pjbs.2003.1649.1654

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