Effect of Ethylene on Flower Abscission: a Survey | Zendy

W.G. van Doorn | Zendy

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Effect of Ethylene on Flower Abscission: a Survey

Author(s) -

W.G. van Doorn

Publication year - 2002

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcf124

Subject(s) - abscission , petal , biology , ethylene , botany , biochemistry , catalysis

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.

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