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Pollination-Induced Corolla Abscission and Senescence and the Role of Short-Chain Fatty Acids in the Process

  • A. H. Halevy
  • C. S. Whitehead
Part of the NATO ASI Series book series (volume 35)

Abstract

Pollination causes distinct and sometimes dramatic changes in the metabolism and development of various flower parts. In most flowers, pollination results in considerable acceleration of senescence. Some orchid flowers may persist for months but fade within days or hours after pollination. Pollination-induced senescence may be manifested differently in different flowers. It may cause wilting and fading, as in carnation and petunia; promote anthocyanin synthesis, as in Cymbidium (Arditti and Flick, 1976) and Laniana (Mohan Ram and Mathur, 1984) or accelerate corolla abscission, as in Nicotiana (Kendall, 1918), sweet peas, snapdragons, Pelargonium (Wallner et al., 1979), Linum (Addicott, 1982; Halevy and Mayak, 1981) and Digitalis (Stead and Moore, 1979, 1983). Pollination promotes abscission of the corolla or of individual petals, while in unpollinated flowers the entire flower often abscises at the base of the peduncle.

Keywords

Pollen Tube Ethylene Production Short Chain Fatty Acid Pollination Signal Flower Senescence 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • A. H. Halevy
    • 1
  • C. S. Whitehead
    • 1
    • 2
  1. 1.Department of HorticultureThe Hebrew University of JerusalemRehovotIsrael
  2. 2.Dept of BotanyRand Africaans UniversityJohannesburgSouth Africa

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