ISHS Acta Horticulturae 141: II International Symposium on Carnation Culture
INVESTIGATION OF THE MODE OF ACTION OF ETHYLENE IN CARNATION SENESCENCE |
| Authors: | Edward C. Sisler, M. S. Reid, David W. Fujino |
| Abstract:
The hypothesis that ethylene (C2H4) action in the senescence of carnation (Dianthus caryophyllus L. cv. White Sim) flowers is mediated by a specific C2H4 binding site in the tissues was investigated using 14C-C2H4. A substantial proportion of the bound radioactive C2H4 could be displaced by the addition of unlabelled C2H4, indicating a specific binding site. Low concentrations of 2,5-norbornadiene delayed the senescence of carnation flowers. The contribution of these data to our understanding of the action of C2H4 in cut flower senescence is discussed. | |
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