Advertisement

Phytoparasitica

, Volume 20, Issue 1, pp 15–23 | Cite as

Effect of Margosan-O on the development of the leafhopperasymmetrasca decedens

  • J. Meisner
  • M. Klein
  • E. Ben-moshe
Research Papers

Abstract

The effect of Margosan-O, a formulation of a natural insecticide obtained from the neem (Azadirachta indica A. Juss) tree, on the development of the leafhopperAsymmetrasca decedens (Paoli), was investigated by testing insect performance (i) on cotyledons ofGossypium hirsutum cotton seedlings treated with different concentrations; (ii) on cotton seedlings stood with their petioles in different aqueous dilutions of Margosan-O and recording mortality until the adult stage; and (iii) determining the repellent effect on adults by recording their location on treatedvs untreated cotyledons in choice and no-choice situations. In foliar and in systemic treatments with 2% Margosan-O, practically none of the leafhoppers reached the adult stage. As the concentrations were lowered there was a gradual rise in the percentage of adults emerging; on untreated cotyledons 60-80% of the adults emerged. Feeding was zero or very low at high Margosan-O concentrations. Adult leafhoppers settled in significantly higher numbers on untreated than on treated cotyledons in both choice and no-choice experiments.

Key Words

Leafhoppers Asymmetrasca decedens neem Margosan-O systemic effect antifeedant IGR effect 

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    Adler, V.E. and Uebel, E.C. (1984) Antifeedant bioassays of Neem extract against the Carolina grasshopper, walkingstick and field cricket.J. Environ. Sci. Health A 19:393–403.CrossRefGoogle Scholar
  2. 2.
    Avidov, Z. and Harpaz, I. (1969) Plant Pests of Israel. Israel Universities Press, Jerusalem.Google Scholar
  3. 3.
    Dreyer, M. (1987) Field and laboratory trials with simple neem products as protectants against pests of vegetable and field crops in Togo.Proc. 3rd Int. Neem Conf. (Nairobi, Kenya, 1986), pp. 431-447.Google Scholar
  4. 4.
    Duncan, D.B. (1955) Multiple range and multiple F tests.Biometrics 11:1–42.CrossRefGoogle Scholar
  5. 5.
    Gill, J.S. (1972) Studies on insect feeding deterrents with special reference to the fruit extracts of the neem tree,Azadirachta indica A. Juss. Ph.D. thesis, University of London, UK.Google Scholar
  6. 6.
    Grace, W.R. & Co. (1988) Margosan-O, material safety data.Neem Newsl. 5:36–38.Google Scholar
  7. 7.
    Heyde, J.v.d., Saxena, R.C. and Schmutterer, H. (1984) Neem oil and neem extracts as potential insecticides for control of hemipterous rice pests.Proc. 2nd Int. Neem Conf. (Rauischholzhausen, FRG, 1983), pp. 377-390.Google Scholar
  8. 8.
    Knodel, J.J., Larew, H.G. and Webb, R.E. (1986) Margosan-O, a commercial formulation of Neem extract, controlsLiriomyza trifolii on chrysanthemums.J. Agric. Entomol. 3:249–254.Google Scholar
  9. 9.
    Koul, O. (1988) Effect of a neem formulation, Margosan-O, on the development of red cotton bug.Neem Newsl. 5:1–3.Google Scholar
  10. 10.
    Meisner, J., Klein, M. and Keren, S. (1990) Effect of Margosan-O on the development ofEarias insulana. Phytoparasitica 18:287–297.CrossRefGoogle Scholar
  11. 11.
    Saxena, K.N. and Basit, A. (1982) Inhibition of oviposition by volatiles of certain plants and chemicals in the leafhopperAmrasca devastons (Distant).J. Chem. Ecol. 8:329–338.CrossRefGoogle Scholar
  12. 12.
    Saxena, R.C. (1987) Neem seed derivatives for management of rice insect pests — a review of recent studies.Proc. 3rd Int. Neem Conf. (Nairobi, Kenya, 1986), pp. 81-93.Google Scholar
  13. 13.
    Saxena. R.C. (1987)In: Pesticide Science and Biotechnology. pp. 139–144. cited in: Arnason, J.T., Philogène, B.J.R. and Morand, P. [Eds.] (1989) Insecticides of Plant Origin, ACS Symp. Series 387. American Chemical Society, Washington, DC.Google Scholar
  14. 14.
    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. Proc. 1st Int. Neem Conf. (Rottach-Eggern, FRG, 1980), pp. 171-188.Google Scholar
  15. 15.
    Siddig, S.A. (1987) A proposed pest management program including neem treatments for combating potato pests in the Sudan.Proc. 3rd Int. Neem Conf. (Nairobi, Kenya, 1986), pp. 449-459.Google Scholar
  16. 16.
    Talhouk, A.M.S. (1969) Insects and Mites Injurious to Crops in Middle Eastern Countries. Verlag Paul Parey, Hamburg, FRG.Google Scholar

Copyright information

© Springer Science + Business Media B.V. 1992

Authors and Affiliations

  • J. Meisner
    • 1
  • M. Klein
    • 1
  • E. Ben-moshe
    • 2
  1. 1.Dept. of EntomologyARO, The Volcani CenterBet DaganIsrael
  2. 2.Dept. of Plant IntroductionARO, The Volcani CenterBet DaganIsrael

Personalised recommendations