Effect of Ethylene on Flower Abscission: a Survey
Open Access
- 1 June 2002
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of Botany
- Vol. 89 (6) , 689-693
Abstract
The effect of ethylene on flower abscission was investigated in monocotyledons and eudicotyledons, in about 300 species from 50 families. In all species studied except Cymbidium, flower abscission was highly sensitive to ethylene. Flower fall was not consistent among the species in any family studied. It also showed no relationship with petal senescence or abscission, nor with petal colour changes or flower closure. Results suggest that flower abscission is generally mediated by endogenous ethylene, but that some exceptional ethylene‐insensitive abscission occurs in the Orchidaceae.Keywords
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