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Zygotic Embryogenesis

Hormonal Control of Embryo Development

  • Chapter
Current Trends in the Embryology of Angiosperms

Abstract

The seed containing the embryo which will give rise to a new plant is structurally and physiologically equipped for its role as the dispersal unit and is well provided with food reserves to sustain the growing seedling until it establishes itself as a self-sufficient autotrophic organism. In higher plants, embryo development involves a complex sequence of events that can be divided into three overlapping phases. Initially, during histodifferentiation, the single-celled zygote undergoes extensive mitotic division, and the resultant cells differentiate to form the basic body plan of the embryo (see Chapter 9). Thereafter, maturation occurs largely in the absence of further cell divisions and is characterized by cell expansion and deposition of reserves in the storage tissues. Maturation is generally terminated by some degree of desiccation, which results in a gradual reduction in metabolism as water is lost from the seed tissues and the embryo passes into an apparently metabolically inactive, or quiescent state.

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Authors and Affiliations

  1. Institute of Biology II, Cell Biologie, University of Freiburg, Schaenzlestrasse 1, D-79104, Freiburg, Germany

    C. Fischer-Iglesias & G. Neuhaus

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  1. C. Fischer-Iglesias
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  2. G. Neuhaus
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Editors and Affiliations

  1. University of Delhi, Delhi, India

    Sant Saran Bhojwani

  2. Chonbruk National University, Chonju, Republic of Korea

    Woong-Young Soh

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© 2001 Springer Science+Business Media Dordrecht

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Fischer-Iglesias, C., Neuhaus, G. (2001). Zygotic Embryogenesis. In: Bhojwani, S.S., Soh, WY. (eds) Current Trends in the Embryology of Angiosperms. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-1203-3_10

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  • DOI: https://doi.org/10.1007/978-94-017-1203-3_10

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5679-5

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