Starzenie się liści piwonii chińskiej (Paeonia lactiflora) w zależności od sposobu pozbiorczego traktowania pędów [Senescence of Paeonia lactiflora leaves depend on postharvest treatment of shoots]

Władysław Michałek, Elżbieta Pogroszewska, Katarzyna Rubinowska, Patrycja Sadkowska

Abstract


The effect of Chrysal Glory, GA3-200 mg·dm-3, GA3-400 mg·dm-3, BA-100 mg·dm-3, BA-200 mg·dm-3 on senescence of Paeonia lactiflora 'Profesor Wóycicki' leaves was investigated. Photosynthesis activity of leaves, contents of a and b chlorophyll and leakage of electrolytes from the tissue were estimated. Chrysal Glory suppressed leakage of electrolytes. BA-100 m·dm-3 increased maximum quantum efficiency of chlorophyll. BA-100 mg·dm-3 and GA3-200 mg·dm-3 was the most effective in delaying senescence of Paeonia leaves by retarding chlorophyll loss and suppressig leakage of electrolytes.

Keywords


Paeonia; leaves senescence; bioregulators; chlorophyll; electrolytes

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DOI: https://doi.org/10.5586/aa.2006.044

Journal ISSN:
  • 2300-357X (online)
  • 0065-0951 (print; ceased since 2016)
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Publisher
Polish Botanical Society