Vascular Differentiation and Plant Growth Regulators

Inhaltsverzeichnis

• 1 Xylem and Phloem Differentiation in Perspective.
• 1.1 Introduction.
• 1.2 Procambium Initiation in Embryos.
• 1.3 General Mechanisms of Programming.
• 1.4 Quiescent Center.
• 1.5 Quantal Mitosis and Differentiation.
• 1.6 Multiple Gene Copies and Xylogenesis.
• 1.7 Procambium to Cambium.
• 1.8 Maintenance and Extension of the Vascular System.
• 2 Hormonal Aspects of Vascular Differentiation.
• 2.1 Some Characteristics of Plant Hormones.
• 2.2 Auxins.
• 2.3 Cytokinins.
• 2.4 Gibberellins.
• 2.5 Ethylene.
• 2.6 Polyamines.
• 2.7 Inhibitors.
• 2.8 Summary.
• 3 Vascular Differentiation Within the Plant.
• 3.1 Major Problems.
• 3.2 Control of Vascular Differentiation by Auxin Flow.
• 3.3 Role of Cytokinin in Vascular Differentiation.
• 3.4 Relation Between Phloem and Xylem Differentiation.
• 3.5 Graniferous Tracheary Elements.
• 3.6 Control of Conduit Size and Density.
• 3.7 Sites of Xylem Initiation and Rates of Maturation in Relation to Conduction.
• 3.8 Role of Gibberellin and the Control of Fiber Differentiation...
• 3.9 Transfer Cells.
• 3.10 Vascular Adaptation.
• 4 Evidence from Wound Responses and Tissue Cultures.
• 4.1 Rationale for Using Wounds and Tissue Cultures to Study Vascular Differentiation.
• 4.2 Coleus Stem Wounds and Cultured Internodal Explants.
• 4.3 Root and Shoot Wounds of Pisum.
• 4.4 Vascular Differentiation in Other Wound Systems.
• 4.5 Induced Xylogenesis in Lactuca Pith Parenchyma.
• 4.6 Xylogenesis in Explants from Storage Organs.
• 4.7 Differentiation in Suspension Cultures Including the Zinnia System.
• 4.8 Cell Wall Metabolism During Xylem Differentiation.
• 4.9 Some Final Thoughts on Tissue Culture Systems.
• 5 Physical Factors, Hormones, and Differentiation.
• 5.1 Identification of the Physical Factors Influencing Vascular Differentiation.
• 5.2 Temperature.
• 5.3 Water.
• 5.4 Light.
• 5.5 Gases.
• 5.6 Mechanical Stress.
• 5.7 Acidity.
• Epilogue.
• References.
• Appendix: Abbreviations.