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Preliminary Comparison of Spike Development Stages for Insecticide Application Against Heliocheilus Albipunctella de Joannis in Pearl Millet

  • R. T. Gahukar
Research Article

Abstract

Spraying of diflubenzuron at 100 g a.i./ha after spike emergence (10–15 cm from flag leaf) was more effective against early larval stages of millet spike worm, Heliocheilus (=Raghuva) albipunctella De Joannis, than spraying the crop at female flowering or at the milky grain stage.

Keywords

Sahel pearl millet Heliocheilus albipunctella diflubenzuron 

Résumé

La pulverisation de diflubenzuron appliquée à la dose de 100 g m.a./ha après la sortie de l’épi (10–15 cm de la gaine foliaire) s’est montrée efficace contre les premiers stades larvaires de la mineuse de l’épi, Heliocheilus (=Raghuva) albipunctella De Joannis, par rapport aux pulverisations faites à la floraison femelle ou au stade de grains laiteux.

Motscléfs

Sahel petit mil Heliocheilus albipunctella diflubenzuron 

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References

  1. Duncan, D. B. (1955) Multiple range and multiple F tests. Biometrics 11: 1–42.CrossRefGoogle Scholar
  2. Gahukar, R. T. (1984) Insect pests of pearl millet in West Africa: A review. Trop. Pest Manage. 30: 142–147.CrossRefGoogle Scholar
  3. Gahukar R. T. (1988) Problems and perspectives of pest management in the Sahel: A case study of pearl millet. Trop. Pest Manage. 34: 35–38.CrossRefGoogle Scholar
  4. Gahukar, R. T., Guevremont, H., Bhatnagar, V. S., Doumbia, Y. O., Ndoye, M. and Pierrard, G. (1986) A review of the pest status of the millet spike worm, Raghuva albipunctella De Joannis (Noctuidae: Lepidoptera) and its management in the Sahel. Insect Sci. Applic. 7: 457–463.Google Scholar
  5. Mathews, M. (1987) The African species of Heliocheilus Grote (Lepidoptera: Noctuidae). Syst. Entomol. 12: 459–473.CrossRefGoogle Scholar

Copyright information

© ICIPE-ICIPE Science Press 1990

Authors and Affiliations

  • R. T. Gahukar
    • 1
  1. 1.FAO/CILSS/USAID Integrated Pest Management Project, ISRAKaolackSenegal

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