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Effects of Some Neem Products on Stored Maize Weevil, Sitophilus zeamais Motsch

  • J. R. Cobbinah
  • J. Appiah-Kwarteng
Research Article

Abstract

Various neem products were compared with copra oil, palm oil and 0.25% diazinon dust for protection of stored maize against the grain weevil, Sitophilus zeamais Motsch. Maize kernels treated with neem oil or ash were damaged less than the control. Although copra and palm kernel oil reduced S. zeamais attack, these edible oils were not as effective as neem oil. Neem wood ash was however, less effective than 0.25% diazinon dust. Neem derivatives inhibited oviposition and/or deterred feeding.

Key Words

Sitophilus zeamais Motsch Khaya senegalensis (Desv) antifeedant abrasive properties 

Résumé

Les divers produits de neem etaient comparés avec (l’huile des noix de coco et l’huile de palme pour la protection du mais stocké, contre l’insecte Sitophilus zeamais Motsch. Des grains du mais traités avec de l’huile de neem ou la cendre du bois de neem étaient moins détruits que le contrôle. Bien que l’huile de copra et l’huile d’amende de palme ont redult l’attaque de S. zeamais, ces huiles comestibles n’étaient pas éfficaces comme l’huile de neem. Cépendant, la cendre de bois de neem, était moins éfficace que 0.25% de poudre de diazinon. Les produits tirés de neem ont empêché la ponte et l’alimentation.

Mots Clefs

Sitophilus zeamais Motsch Khaya senegalensis (Desv) anti-alimentation les propriétés abrasives 

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References

  1. Abraham C.C., Thomas B„ Kuranakaran K. and CopalaKrìshnan R. (1972) Relative efficiency of some plant products in controlling infestations by the Angoumois grain moth, Sitotroga cereale Ila Olivier (Gelechiidae: Lepidoptera) infesting stored paddy rice in Kerala. Bull. Grain Technol. 10, 263–266.Google Scholar
  2. Anonymous (1938) Neem leaves as an insecticide. Gold Coast Farm 6, 190.Google Scholar
  3. Ascher K.R.S. and Gsell R. (1981) The effect of neem seed kernel extract on Epilachna varivestis Muls. larvae. E. Pflkrankh 88, 764–767.Google Scholar
  4. Butterworth J.H. and Morgan E.D. (1968) Isolation of substance that suppresses feeding in locusts. Chem. Commun, pp 23–24.Google Scholar
  5. Golob P. and Webley DJ. (1980) The Use of Plants and Minerals as Traditional Protectants of Stored Products. G.138. Tropical Products Institute, London.Google Scholar
  6. Jacobson N. (1981) Isolation and identification of insect antifeedants and growth inhibitors from plants; an overview. Proceedings of the First International Neem Conference (Rottach-Egern, 1980) pp. 13–19.Google Scholar
  7. Jotwani M.G. and Srivastava K.P. (1983) A review of neem research in India in relation to insects. Proceedings of the Second International Neem Conference (Rauischholzhausen 1983), pp. 43–56.Google Scholar
  8. Leuschner K. (1972) Effect of an unknown plant substance on shield bug. Naurwissenschafter 59, 217–218.CrossRefGoogle Scholar
  9. Minor J.C. and Williams T.L. (1930) Agriculture in the Navrongu and Zuarangu districts of the Northern territories of the Gold Coast. Dept. of Agric. Bull. 23 (Gold Coast), pp. 230–244.Google Scholar
  10. Miracle M.P. (1966) Maize in Tropical Africa. North Central Publishing Co., St. Paul, Minnesota, pp. 3–7.Google Scholar
  11. Mitai H.C. (1971) Protection of cowpeas from insect infestation with the aid of fixed oils. J.W. Africa Sci. Assoc. 16, 45–48.Google Scholar
  12. Rembold H. and Schmutterer H. (1980) Disruption of insect growth by neem seed components. Institute of Organic Physics and Chemistry, Wroclow Technical University, Scientific Paper 22, 1087–1090.Google Scholar
  13. Saxena R.C., Liquido N.J. and Justo H.D. (1981) Neem seed oil a potential antifeedant for the control of the rice brown planthopper, Nilaparvata lugens. Proceedings of the First Neem Conference (Rottach-Egern, 1980), pp. 171–188.Google Scholar
  14. Schauer M. and Schmutterer H. (1981) Effects of neem kernel extracts on the two-spotted spider mite, Tetranychus urticae. Proceedings of the First International Neem Conference (Rottach-Egern. 1980), pp. 81–96.Google Scholar
  15. Schoonhoven V.A. (1978) Use of vegetable oils to protect beans from bruchid attack. J. Econ. Ent. 71, 254–256.CrossRefGoogle Scholar
  16. Schulz W.D. (1981) Pathological alterations in the ovaries of Epilachna varivestis induced by an extract from neem kernels. Proceedings of the First International Neem Conference (Rottach-Egern, 1980) pp. 81–96.Google Scholar
  17. Steets R. (1976) Zur wirking eines gereinigten extracktes aus fruchten von Azadirachta indica A. auf Leptinotarsa decemlineata Say (Coleoptera: Chrysomelidae). Z. Angew Ent. 82, 167–176.Google Scholar

Copyright information

© ICIPE 1989

Authors and Affiliations

  • J. R. Cobbinah
    • 1
  • J. Appiah-Kwarteng
    • 1
  1. 1.Forest Products Research InstituteKumasiGhana

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