Journal of Chemical Ecology

, Volume 23, Issue 4, pp 995–1002 | Cite as

Alfalfa Leaf Saponins and Insect Resistance

  • Constance Nozzolillo
  • J. Thor Arnason
  • Francisca Campos
  • Natalie Donskov
  • Marian Jurzysta
Article

Abstract

Dried alfalfa (Medicago sativa) leaf tissue incorporated in artificial diet to give a final concentration of 0.5 or 1.6 mg/g fresh weight of saponins significantly inhibited growth and development of larvae of the European corn borer (Ostrinia nubilalis). Saponin fractions isolated from root or shoot tissues of alfalfa also inhibited growth when incorporated at equivalent concentrations but had little effect on development. Root saponins were somewhat more harmful than shoot saponins.

Alfalfa European corn borer Medicago Ostrinia nubilalis saponins 

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Copyright information

© Plenum Publishing Corporation 1997

Authors and Affiliations

  • Constance Nozzolillo
    • 1
  • J. Thor Arnason
    • 1
  • Francisca Campos
    • 1
  • Natalie Donskov
    • 1
  • Marian Jurzysta
    • 2
  1. 1.Department of BiologyUniversity of OttawaOttawaCanada
  2. 2.Institute of Soil Science and Plant Cultivation, Osada PalacowaPulawyPoland

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