Programmed Cell Death in Relation to Petal Senescence in Ornamental Plants |
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| Authors: | Yuan ZHOU Cai-Yun WANG Hong GE Frank A HOEBERICHTS Peter B VISSER |
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| Institution: | State Key Laboratory for Biology of Horticultural Plants, Huazhong Agricultural University;, Wuhan 430070, China;;College of Landscape Architecture, Beijing Forestry University;, Beijing 100083, China;;Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences;, Beijing 100081, China;;Instituto de Biologia Molecular y Celular de Plantas, Universidad Politécnica de Valencia - CSIC;, Avda de los Naranjos s/n 46022, Valencia, Spain;;Instituto Agroforestal Mediterráneo, Universidad Politécnica de Valencia;, Camino de Vera s/n 46022, Valencia, Spain) |
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| Abstract: | Abstract: Cell death is a common event in all types of plant organisms. Understanding the phenomenon of programmed cell death (PCD) is an important area of research for plant scientists because of its role in senescence and the post‐harvest quality of ornamentals, fruits, and vegetables. In the present paper, PCD in relation to petal senescence in ornamental plants is reviewed. Morphological, anatomical, physiological, and biochemical changes that are related to PCD in petals, such as water content, sink‐source relationships, hormones, genes, and signal transduction pathways, are discussed. Several approaches to improving the quality of post‐harvest ornamentals are reviewed and some prospects for future research are given. (Managing editor: Wei WANG) |
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| Keywords: | ornamental plants petal senescence post-harvest quality programmed cell death |
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