, Volume 37, Issue 6, pp 574–576 | Cite as

Inhibition of insect larval growth by phenolics in glandular trichomes of tomato leaves

  • S. S. Duffey
  • M. B. Isman


We have found that the foliar tetracellular glandular trichomes (tetrads) of the tomato plant,Lycopersicon esculentum Mill., contribute significantly to the antibiotic effect of the leaf against the fruitwormHeliothis zea (Boddie), as measured by reduction in larval growth. This effect is attributable to phenolic compounds localized within the tetrads. We have found that the cellular fluid of the tetrads is particularly rich in the flavonol glycoside rutin, accompanied by lesser amounts of other phenolics.


Phenolic Compound Glycoside Rutin Tomato Plant Flavonol 
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Copyright information

© Birkhäuser Verlag 1981

Authors and Affiliations

  • S. S. Duffey
    • 1
  • M. B. Isman
    • 1
  1. 1.Department of EntomologyUniversity of CaliforniaDavisUSA

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