ALBERT

Note: Contents Foreword, by Professor Dr. Martin Bopp Preface Acknowledgements 1. EXPERIMENTS ON SPORES AND GEMMAE Spore Germination in Liverwort - Jungermanniales, Marchantiales, Anthocerotales, Sphaerocarpales; Types of Spore Germination in Mosses - Sphagnales, Andreaeales, Tetraphidales, Bryales Factors Affecting Spore Germination - Light, Temperature, Sugars, Minerals, Growth Regulators, Hydrogen-ion concentration (pH), OtheT Factors Mechanism of Spore Germination Experiments on Gemmae - light, Temperature, Humidity and other Physical Factors, Growth Regulators, Nitrogenous Substances, Hydrogen-ion concentration (pH), Other Chemical Factors References 2. PROTONEMAL DIFFERENTIATION AND BUD FORMATION IN MOSSES Protonemal Differentiation Bud Formation Factors Affecting Bud Formation - Light, Temperature, Auxins, Cytokinins, Gibberellins, Adenosine 3', 5'-cyclic monophosphate, Adenine and Amino Acids, Minerals and Chelates Vitamins, Abscisic Acid, Sugars, pH, Influence of Other Organisms References. 3. REGENERATION Potentialities of Various Organs for Regeneration - Regeneration from Leaves, Regeneration from Setae Morphology of Régénérants Factors Affecting Regeneration - Light. Radiation, pH, Season, Humidity. Wounding, Temperature, Size of the Fragment Reserve Food Material. Location in the Plant, Age, Correlative Inhibition. Polarity and Apical Dominance Changes Occurring in Regenerating Cells References 4. REPRODUCTIVE BIOLOGY Factors Affecting Gametangial Induction - Light Duration, Light Level, Light Quality. Temperature, Temperature-Photoperiod Interaction. Humidity. Hydration. Carbohydrates. Nitrogenous Substances, Growth Regulators, Chelating Agents, pH and Other Factors References 5. ALTERNATIVE PATHWAYS IN LIFE CYCLE Apogamy - Occurrence of Apogamy in Diplophase and Haplophase, Spore Production in Apogamous Sporophytes, Differentiation of Apogamous Sporophytes from Callus, Factors Controlling Differentiation of Apogamous Sporophytes: Exogenous Factors, Endogenous Factors, Differentiation of Sporophyte and Gametophyte, Role of Calyptra in Sporogon Development Apospory Callus Formation and its Differentiation - Formation of Callus. Differentiation in Callus Controls in Differentiation Alternation of Generations References 6. PHOTOMORPHOGENESIS Spore Germination - Liverworts, Mosses Growth - Liverworts, Mosses Vegetative Propagation - Liverworts, Mosses Metabolism - Liverworts. Mosses; Senescence Bud Induction in Mosses Tropic Responses - Liverworts, Mosses References. 7. ULTRASTRUCTURAL STUDIES Spore Protonema Stem Leaf Gametangia - Antheridium Gametogenesis - Spermatogenesis, Oogenesis Sporogenesis - Spore Sac or Tapetum. Fluctuation in Plastid Number, Structural Changes in Plastids, Cytoplasm, and Other Organelles. Meiosis. Spore Wall Formation Sporophyte-Ganietophyte Junction Seta Histoenzymological Studies - Localization of Enzymes in the Haustorial Foot References 8. CHEMICAL CONSTITUENTS OF BRYOPHYTES Antibiotics Growth Substances - Specified Growth Substances, Non-specified Growth Substances Lipids - Alkanes, Fatty Acids, Cuticular Components Terpenoids - Monoterpenoids, Sesquiterpenoids, Ditetpenoids, Triterpenoids and Sterols Flavonoids - Flavones, Isoflavones, Flavonols, Dihydrofiavonoids and Biflavonyls, Aurones and Chalcones, Acylated Flavonoids, Anthocyanins and Proanthocyanidins, Sphagnorubins Lignins; Other Constitutents - Carotenoids, Carbohydrates, Organic Acids, Dihydrostilbenes, Enzymes, Amino Acids and Quinones, Inorganic Compounds, Miscellaneous, Antitumour Activities, Allergenic Activities References 9. BRYOPHYTES AS INDICATORS OF POLLUTION Heavy Metals - Lead, Cadmium, Zinc, Mercury, Arsenates, Chromium, Nickel. Vanadium Stability Pattern of Metal Ions Metal Tolerance - Copper Mosses, Peat Mosses Gaseous Pollutants - Sulphur dioxide. Fluorides, Ozone Radionuclides (Radio Isotopes) - Cesium. Strontium, Uranium; Radiations References. 10. PROTOPLAST CULTURE Isolation of Protoplasts - Mechanical Method, Enzymatic Method, Source Material for Protoplasts, Factors Affecting Protoplast Isolation: Culture of Protoplasts—Liquid Culture Agar Plating of Protoplasts: Regeneration of Protoplasts - Factors Affecting Regeneration Protoplast Fusion and Somatic Hybrids Induction and Isolation of Mutants References. 11. CONDUCTION IN BRYOPHYTES External Conduction - Gametophyte. Sporophyte, Significance of External Conduction Internal Conduction - Cells Involved in Conduction, Anatomy of the Horizontal Axis, Midribs and Leaf Traces. Conducting Strand in Seta and Capsule, Development and Structure of Mature Conducting Tissues. The Interphase, Internal Conduction of Water, Conduction of Organic Compounds; Evolutionary Trends in the Conducting Strands References. 12. WATER RELATIONS Absorption and Conduction of Water - Endohydric.' Ectohydric, Myxohydric Water Holding Capacity and Growth Rate Desiccation and Rehydration Mechanism of Damage Growth-Forms References SUBJECT INDEX PLANT INDEX AUTHOR INDEX