Book contents
- Frontmatter
- Contents
- List of contributors
- Preface
- 1 Anatomy, development, and classification of hornworts
- 2 Morphology and classification of the Marchantiophyta
- 3 Morphology and classification of mosses
- 4 Origin and phylogenetic relationships of bryophytes
- 5 Chemical constituents and biochemistry
- 6 Molecular genetic studies of moss species
- 7 Control of morphogenesis in bryophytes
- 8 Physiological ecology
- 9 Mineral nutrition, substratum ecology, and pollution
- 10 Peatlands: ecosystems dominated by bryophytes
- 11 Role of bryophyte-dominated ecosystems in the global carbon budget
- 12 Population ecology, population genetics, and microevolution
- 13 Bryogeography and conservation of bryophytes
- Index
7 - Control of morphogenesis in bryophytes
Published online by Cambridge University Press: 05 June 2012
- Frontmatter
- Contents
- List of contributors
- Preface
- 1 Anatomy, development, and classification of hornworts
- 2 Morphology and classification of the Marchantiophyta
- 3 Morphology and classification of mosses
- 4 Origin and phylogenetic relationships of bryophytes
- 5 Chemical constituents and biochemistry
- 6 Molecular genetic studies of moss species
- 7 Control of morphogenesis in bryophytes
- 8 Physiological ecology
- 9 Mineral nutrition, substratum ecology, and pollution
- 10 Peatlands: ecosystems dominated by bryophytes
- 11 Role of bryophyte-dominated ecosystems in the global carbon budget
- 12 Population ecology, population genetics, and microevolution
- 13 Bryogeography and conservation of bryophytes
- Index
Summary
Experimental studies of morphogenesis in the bryophytes certainly date to the work of von Wettstein early in the 20th century and has its beginnings even earlier. In part because of this extensive history, in part because the mosses, liverworts, and hornworts represent a paraphyletic assemblage that includes three-fourths of the systematic range in land plant lineages, and in part because of the taxonomic diversity within any particular type of bryophyte, the literature in this area is particularly rich and voluminous (to adapt a phrase used by Katherine Esau [1965]). There are many still-excellent reviews in this area, in particular, reviews that concentrate on hormone physiology, as well as book-length treatments of bryophyte development and physiology, including the exhaustive treatments by Chopra and Kumar (1988) and Bhatla (1994).
This chapter will briefly sketch out what is known about hormonal and other external triggers to morphogenesis in the bryophytes, including factors described recently in higher plants but not yet examined in bryophytes. That overview will be followed by case studies, selected for their importance to our understanding of bryophyte biology, their potential for elucidating general features of plant biology, or for their use of novel and generally useful approaches.
Plant growth regulators and bryophyte development
The concept of a plant “hormone” has beguiled botanists for some period of time, and this concept is particularly problematic when botanists restrict their view of plants to just the angiosperms.
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- Bryophyte Biology , pp. 199 - 224Publisher: Cambridge University PressPrint publication year: 2000
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