Germination and Reserve Mobilization

by David R. Murray (Editor)

Overview

Seed Physiology, Volume 2, Germination and Reserve Mobilization, addresses some of the major unanswered questions about seed dormancy, germination, and post-germination development of the seedling. The book contains seven chapters and begins with two studies on dormancy—one on the structural constraints to germination and another on metabolic barriers preventing germination. These are followed by separate chapters on the physical and biochemical events following the imbibition of water by dry seeds; the mobilization of polysaccharide reserves from endosperm; the mobilization of nitrogen and phosphorus from external storage tissues; and the mobilization of lipid reserves in seed tissues. The final chapter reviews the subject of embryonic axis-cotyledon interaction, considering mainly those species where the cotyledons are adapted for the storage of reserves. Both this volume and its companion (Seed Physiology Volume 1. Development) will provide a valuable resource for advanced students, teachers, and researchers in plant physiology, biochemistry, agronomy, and related disciplines.

Product Details

ISBN-13:	9781483269191
Publisher:	Elsevier Science
Publication date:	10/22/2013
Sold by:	Barnes & Noble
Format:	eBook
Pages:	310
File size:	6 MB

Table of Contents

List of Contributors

Preface

Contents of Volume 1

1. Structural Aspects of Dormancy

I. Introduction

II. The Concept of Dormancy

III. Dormancy, Seed Viability and Longevity

IV. Structural Factors Influencing Coat-Imposed Dormancy

V. Mechanical Strength of the Seed Coat

VI. Treatment to Break Dormancy

VII. Concluding Remarks

References

2. Metabolic Aspects of Dormancy

I. Introduction

II. Gene Repression

III. Hormonal Changes

IV. Phytochrome Control of Metabolism

V. Respiration

VI. Mobilization of Reserves

VII. Conclusion

References

3. Early Events in Germination

I. Introduction

II. The Phase of Imbibition

III. Metabolism

IV. Concluding Discussion

References

4. Mobilization of Polysaccharide Reserves from Endosperm

I. Introduction

II. Starch Hydrolysis in Cereal Endosperm

III. Cell Wall Mobilization

IV. Future Prospects

References

5. Mobilization of Nitrogen and Phosphorus from Endosperm

I. Introduction

II. Mobilization of Nitrogen

III. Mobilization of Phosphorus

IV. Conceptual Model of Nitrogen and Phosphorus Mobilization

References

6. Mobilization of Oil and Wax Reserves

I. Introduction

II. Oil and Wax Composition of Mature Seeds

III. Developmental Patterns of Glyoxysomes and Their Enzymes

IV. Lipolysis of Triacylglycerols

V. Lipolysis of Wax Esters

VI. ß-Oxidation of Fatty Acids

VII. Metabolism of Acetyl Coenzyme A

VIII. Control of Lipid Mobilization

IX. Summary and Perspectives

References

7. Axis-Cotyledon Relationships during Reserve Mobilization

I. The Influence of Cotyledons on Axis Development

II. Regulation of Reserve Mobilization from Cotyledons by the Axis

III. Conclusions

References

Plant Species Index

Subject Index