C6-green leaf volatiles trigger local and systemic VOC emissions in tomato

Mohamed A. Farag, Paul W. Paré

Research output: Contribution to journalArticlepeer-review

185 Scopus citations


In response to insect feeding, tomato plants (Lycopersicon esculentum) release elevated levels of volatile organic compounds; that is, monoterpenes and sesquiterpenes are released both locally and systemically with wounding while C6 green leaf volatiles are released only from damaged leaves. With the exogenous application (100 nmol) of the C6-tomato-volatile (E)-2-hexenal, an increase in the release of local and systemic terpenes was observed, while an equimolar amount of methyl jasmonate triggered only local emissions of terpenes. Labeling studies with 13C02 showed that de novo synthesis was not required for monoterpene or sesquiterpene release immediately following chemical treatment or insect feeding. Comparative measurements were made between aldehyde doses applied to the plant and levels naturally released from leaves with insect damage.

Original languageEnglish
Pages (from-to)545-554
Number of pages10
Issue number5
StatePublished - Nov 2002


  • C- Volatiles
  • Herbivores
  • Lycopersicon esculentum
  • Monoterpenes
  • Sesquiterpenes
  • Solanaceae


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