TY - BOOK AU - Frankenberger,W.T. TI - Phytohormones in Soils: Microbial Production and Function SN - 0824794427 U1 - 576/.190948 PY - 1995/// CY - New York PB - M. Dekker KW - Soil Microbiology KW - Plant Regulators N1 - Biologically Active Substances in Soil Introduction Modes of action Biologically active substances Precursor-inoculum interactions References Auxins Introduction History Physiology of auxins in plants Biosynthesis and metabolism Metabolism of endogenous auxins Mechanism of action Auxin transport Uptake and metabolism of exogenous auxin in roots Effects of exogenously applied auxins on plant growth Microbial biosynthesis of auxins Pathogenesis Biochemistry of auxin metabolism by microorganisms Auxin metabolism in soil Response of plant growth to auxins of microbial origin Conclusions References Gibberellins Introduction History Gibberellins in plant physiology Biosynthesis and metabolism Binding sites Mechanism of action Translocation in plants Effects of exogenously applied gibberellins on plant growth Microbial production of gibberellins Gibberellins in pathogenesis Environmental factors affecting gibberellin biosynthesis by Gibberella fujikuroi Gibberellins in soil Physiological effects of microbial gibberellins on plant growth Conclusions References Cytokinins Introduction History Cytokinins in plant physiology Biosynthesis and metabolism Cytokinin-binding sites Mechanism of action Translocation in plants Agronomic effects of exogenously applied cytokinins on plant growth and development Microbial production of cytokinins Cytokinins and pathogenesis Cytokinins in soil Physiological effects of microbial cytokinins on plant growth Conclusions References Ethylene Introduction History Ethylene in plant physiology Biosynthesis and metabolism in plants Binding sites Mechanism of action Transport Effects of exogenously applied ethylene on plant growth Microbial production Ethylene in symbiotic associations Ethylene in pathogenesis Factors affecting microbial biosynthesis of ethylene Ethylene accumulation in soil Factors affecting ethylene accumulation in soil Physiological significance of soil ethylene Conclusions References Abscisic Acid Introduction History The role of abscisic acid in plant physiology Biosynthesis and metabolism in plants Binding sites Mechanism of action Transport Effects of exogenously applied abscisic acid on plant growth Microbial production Abscisic acid and symbiotic associations Abscisic acid and pathogenesis Abscisic acid in soil Ecological significance of microbially derived abscisic acid Conclusions References ER -