Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Ewa Skutnik
  • Aleksandra Lukaszewska
  • Margrethe Serek
  • Julita Rabiza

External Research Organisations

  • Warsaw Agricultural University
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Details

Original languageEnglish
Pages (from-to)241-246
Number of pages6
JournalPostharvest biology and technology
Volume21
Issue number2
Early online date10 Jan 2001
Publication statusE-pub ahead of print - 10 Jan 2001

Abstract

Treating cut leaves of Zantedeschia aethiopica with aqueous solutions of gibberellic acid (GA3) considerably extended their display life, whether applied as a 24 h pulse treatment, or as a brief postharvest dip. In contrast, a standard preservative solution used to prolong the longevity of cut flowers (8-HQC + sucrose) was deleterious to Zantedeschia foliage, reducing display life several fold from that of the water control. After harvest, chlorophyll content of the leaves fell more or less rapidly depending on the postharvest treatment, falling most rapidly in leaves placed in the 'preservative' solution and relatively gradually in leaves that had been treated with GA3. Leaf senescence was also associated with changes in characteristics of the cell sap, namely increased pH and electrical conductivity, parameters that may be a useful and rapid means of determining the senescence status of cut flowers during marketing.

Keywords

    BA, Benzyladenine, Cell sap pH, Cut leaves, Electric conductivity, GA3, Gibberellic acid, Longevity, Senescence, Total chlorophyll

ASJC Scopus subject areas

Cite this

Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica. / Skutnik, Ewa; Lukaszewska, Aleksandra; Serek, Margrethe et al.
In: Postharvest biology and technology, Vol. 21, No. 2, 10.01.2001, p. 241-246.

Research output: Contribution to journalArticleResearchpeer review

Skutnik, E., Lukaszewska, A., Serek, M., & Rabiza, J. (2001). Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica. Postharvest biology and technology, 21(2), 241-246. Advance online publication. https://doi.org/10.1016/S0925-5214(00)00151-4
Skutnik E, Lukaszewska A, Serek M, Rabiza J. Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica. Postharvest biology and technology. 2001 Jan 10;21(2):241-246. Epub 2001 Jan 10. doi: 10.1016/S0925-5214(00)00151-4
Skutnik, Ewa ; Lukaszewska, Aleksandra ; Serek, Margrethe et al. / Effect of growth regulators on postharvest characteristics of Zantedeschia aethiopica. In: Postharvest biology and technology. 2001 ; Vol. 21, No. 2. pp. 241-246.
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abstract = "Treating cut leaves of Zantedeschia aethiopica with aqueous solutions of gibberellic acid (GA3) considerably extended their display life, whether applied as a 24 h pulse treatment, or as a brief postharvest dip. In contrast, a standard preservative solution used to prolong the longevity of cut flowers (8-HQC + sucrose) was deleterious to Zantedeschia foliage, reducing display life several fold from that of the water control. After harvest, chlorophyll content of the leaves fell more or less rapidly depending on the postharvest treatment, falling most rapidly in leaves placed in the 'preservative' solution and relatively gradually in leaves that had been treated with GA3. Leaf senescence was also associated with changes in characteristics of the cell sap, namely increased pH and electrical conductivity, parameters that may be a useful and rapid means of determining the senescence status of cut flowers during marketing.",
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