Annals of Botany 64: 691-695, 1989
© 1989 Annals of Botany Company
RESEARCH-ARTICLE |
Systemic Responses Arising From Localized Heat Stimuli in Tomato Plants



* School of Biological Sciences, University of East Anglia Norwich NR4 7TJ, UK
Department of Biochemistry, The University of Leeds Leeds, LS2 9JT UK
For correspondence.
Accepted: 29 June 1989
Localized application of heat to the terminal leaflet of leaf 1 of tomato (Lycopersicon esculentum) seedlings induced both propagated electrical activity and the systemic production of proteinase inhibitors. Aspirin and related compound inhibited both the propagated electrical activity and the systemic response. An electrical signal therefore remains a candidate for the systemic signal in the wound response of tomato plants
Proteinase inhibitor, propagated electrical activity, aspirin, tomato, Lycopersicon esculentum
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