Hormonal Regulation of Plant Growth and Development

phytohormones in sex expression in dioecious plants 119, Roles of phytohormones and organs in sex expression in monoecious plants 121, Effects of phytohormones and growth inhibitors, applied individually or in combination 123, Biological activities of cytokinins and gibberellins in dioecious plants 124, General idea of sex expression in dioecious and monoecious plants 126, Regulation of sex expression in isolated embryo of hemp 127, Effects of phytohormones and inhibitors of nucleic acids and protein metabolism on sex expression in hemp 128, Immunodiffusional analysis the apices of male and female plants 129, Conclusion 130. Literature cited 140.- Water Relations and Plant Growth Regulators.- 151, Abscisic acid 152, Auxins and ethylene 157, Cytokinins 160, Gibberellins 164, Conclusion 164, Literature cited.- Hormonal Regulation of Root Development Under Water Stress.- 171, Root growth hormones 171, Physiology of adventitious root formation 173, Exogenous hormonal application 173, Influence of irradiance 174, Water relations 177, Interaction between water stress and irradiance level 179, Possible involvement of ABA and ethylene in the adventitious root formation in the stress cuttings 181, Conclusion 183, Literature cited 184.- Gravity Perception and Response Mechanism in Graviresponding Cereal Grass Shoots.- 189, Gravity perception 189, Which pulvini are capable of responding to gravistimulation ? 189, When is upward bending first initiated in cereal grass leaf-sheath pulvini? 190, Does the upward bending response in the cereal grass leaf-sheath pulvinus require an optimum weight of tissue to be present beyond the pulvinus? 191, Mechanism of upward bending response 192, Methods of proteins analysis and enzyme activity assays 193, What protein change in response to gravistimulation 194, What changes occur in enzyme activities following gravistimulation of barley shoots? 194, Cascade of events that could explain the mechanism of negative gravitropic curvature in cereal grass shoots 197, Literature cited 199.- Hormonal Regulation of Leaf Growth Senescence in Relation to Stomatal Movements.- 201, Leaf growth of dicotyledoneous plants 202, Some earlier studies 202, Influence of Hormones on leaf cell enlargement 202, Fusicossin-stimulated leaf growth 203, Light-stimulated leaf growth 203, Leaf senescence in darkness 205, Changes in chlorophyll and protein content 205, GA-delayed leaf senescence 206, Leaf senescence in light 207, Hormonal regulation of stomatal movement 209, Some general considerations 209, Phytohormone-mediated stomatal movements 210, Conclusions 212, Literature cited 214.- The Chloroindole Auxins of Pea and Related Species.- 221, Chloroindole isolation 221, Chemistry 223, Occurrence 223, Determination 225, Biological activity 227, Analogue activity 230, Biosynthesis 231, Biological role 231, Literature cited 232.