Pollen - Linskens, H. F.

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Sommaire:
I. Biology.- 1. Development.- Terminology.- Development Pattern.- Induction of Meiosis.- Induction of Polarity.- Differentiation of Pollen Grain Nuclei.- Origin of the Sperm Cells.- 2. Wall Formation.- Pollen Mother Cell Wall.- Partition Walls in Microsporocytes.- Plasma Connections between Microsporocytes.- Wall Development.- Pollen Wall as a Living Structure.- 3. Dehiscence, Size and Distribution.- Dehiscence.- Size Range.- Quantity Produced.- Distribution.- II. Management.- 4. Collection and Uses.- Purpose and Quantities Collected.- Non-seed Forming Uses.- Species Effect on Pollen Collection.- Collecting Methods.- 5. Storage.- Factors Affecting Viability in Storage.- Freeze-drying of Pollen.- Causes of Decreased Viability in Storage.- Testing Methods.- 6. Viability Tests.- Germination Tests.- Non-germination Assays.- Comparison of Viability Tests.- 7. Nutritive Role.- Bees.- The Pollen Collecting Process.- The Pollen Pellet.- Storage of Pollen in the Hive.- Digestion of Pollen.- Nutritive Value of Pollen for the Honey Bee.- Pollen Substitutes.- Pollen in Analysis of Honey.- Other Animals.- Human Consumption.- III. Biochemistry.- 8. General Chemistry.- Gross Chemical Analysis.- Minerals.- Boron in Pollen and Floral Organs.- Role and Distribution.- 9. Carbohydrates and Cell Walls.- Low Molecular Weight Sugars and Related Compounds.- Starch Content.- Callose.- Pectin and Other Polysaccharides.- Cellulose and Sporopollenin.- Pollen Destruction in Nature.- 10. Organic Acids, Lipids and Sterols.- Total Lipids.- Fatty Acids.- Alcohols and Long Chain Hydrocarbons.- 11. Amino Acids and Proteins.- Free Amino Acids.- Amino Acids by Hydrolysis.- Proteins.- Serological Reactions.- 12. Pollinosis.- Plant Sources.- Allergens.- Testing Human Reactions to Pollen.- Persorption.- 13. Nucleic Acids.- Nucleic Acids in Mature Pollen.- Nucleic Acids during Pollen Development.- Nucleic Acids during Germination.- Nucleotide Base Composition.- 14. Enzymes and Cofactors.- Methods of Detection.- Activities Detected.- Sources of Variation.- Cofactors.- Localization and Function.- 15. Pollen Pigments.- Carotenoids.- Flavonoids.- 16. Growth Regulators.- Historical Background.- Auxins.- Brassins.- Gibberellins.- Kinins.- Ethylene.- Inhibitors.- Sources of Variation.- Roles.- References.