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Eisinger W. Role of cytokinins in carnation flower senescence. Plant Physiol. 1977;59(4):707-9doi: 10.1104/pp.59.4.707.
Eisinger, W. (1977). Role of cytokinins in carnation flower senescence. Plant physiology, 59(4), 707-9. https://doi.org/10.1104/pp.59.4.707
Eisinger, W. "Role of cytokinins in carnation flower senescence." Plant physiology vol. 59,4 (1977): 707-9. doi: https://doi.org/10.1104/pp.59.4.707
Eisinger W. Role of cytokinins in carnation flower senescence. Plant Physiol. 1977 Apr;59(4):707-9. doi: 10.1104/pp.59.4.707. PMID: 16659922; PMCID: PMC542477.
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Plant Physiol. 1977 Apr;59(4):707-9. doi: 10.1104/pp.59.4.707.

Role of cytokinins in carnation flower senescence.

Plant physiology

W Eisinger

Affiliations

  1. Department of Biology, University of Santa Clara, Santa Clara, California 95053.

PMID: 16659922 PMCID: PMC542477 DOI: 10.1104/pp.59.4.707

Abstract

Stem and leaf tissues of carnation (Dianthus caryophyllus) plants appear to contain a natural antisenescence factor since removal of most of these tissues from cut carnation flowers hastened their senescence. However, kinetin (5-10 mug/ml) significantly delayed senescence of flowers with stem and leaf tissues removed. In addition, the life span of cut flowers with intact (30-cm) stems was increased with kinetin treatment. Peak ethylene production by presenescent flowers was reduced 55% or more with kinetin treatment and was delayed by 1 day. Kinetin-treated flowers were less responsive to applied ethylene (100 mul/l for 3 hours) than untreated flowers. Possible natural roles of cytokinins in carnation flower senescence are discussed.

References

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