Note: Intro -- Dedication -- Preface -- Contents -- Contributors -- About the Editors -- Chapter 1: Role of Hormones in Plant Adaptation to Heat Stress -- 1.1 Introduction -- 1.2 Sensing Thermal Stimuli by Plants -- 1.3 The Concept of Basal and Acquired Thermotolerance -- 1.4 Hormones Involved in the Response of Plants to Heat Stress -- 1.4.1 Abscisic Acid -- 1.4.2 Auxins -- 1.4.3 Cytokinins -- 1.4.4 Gibberellins -- 1.4.5 Salicylic Acid -- 1.4.6 Jasmonic Acid and Ethylene -- 1.4.7 Brassinosteroids -- 1.5 Conclusions and Perspectives -- References -- Chapter 2: Involvement of Plant Hormones in Cold Stress Tolerance -- 2.1 Introduction -- 2.2 Cold Stress Sensing and Signaling Pathways -- 2.3 Hormone Functions and Cross Talk Toward Cold Tolerance -- 2.3.1 Stress-Responsive Phytohormones and Cold Tolerance -- 2.3.2 Growth-Promoting Phytohormones and Cold Tolerance -- 2.4 Plant Development and Cold Tolerance Mechanisms -- 2.4.1 Hormones and Cold Tolerance Mechanisms: Seed and Bud Dormancy -- 2.4.2 Cold Stress During the Reproductive Phase -- 2.5 Phytohormones and Cold Tolerance During Fruit Ripening and Postharvest Storage -- 2.6 Conclusions and Future Perspectives -- References -- Chapter 3: Hormonal Interactions Underlying Plant Development under Drought -- 3.1 Introduction -- 3.2 Hormonal Regulation of Growth Responses Under Drought -- 3.2.1 Root System Growth and Development -- 3.2.2 Hydrotropism Regulation -- 3.2.3 Root-to-Shoot Signaling -- 3.2.4 Leaf Growth and Development -- 3.3 Mechanisms of Hormonal Cross Talk Under Drought -- 3.3.1 Interactions Controlling the Biosynthesis or Removal of Hormones -- 3.3.2 Interactions Influencing Hormonal Transport -- 3.3.3 Interactions Influencing Hormone Sensitivity -- 3.4 Conclusion and Perspectives -- References -- Chapter 4: Participation of Phytohormones in Adaptation to Salt Stress -- 4.1 Introduction. , 4.2 Salinity -- 4.3 Glycophytes and Halophytes -- 4.4 Plant Responses to Salt Stress -- 4.5 Phytohormones -- 4.5.1 Abscisic Acid -- 4.5.1.1 Biosynthesis -- 4.5.1.2 ABA in Physiological Plant Development -- 4.5.1.3 Participation ABA in Salt Stress -- 4.5.1.4 The Effect of Exogenous Abscisic Acid on Adaptation to Salt Stress -- 4.5.2 Ethylene -- 4.5.2.1 Ethylene in Plant Development -- 4.5.2.2 Biosynthesis -- 4.5.2.3 Receptors -- 4.5.2.4 Ethylene During Salt Stress -- 4.5.2.5 The Effect of Exogenous Ethylene on Adaptation to Salt Stress -- 4.5.3 Jasmonates -- 4.5.3.1 Jasmonates in Plant Development -- 4.5.3.2 Biosynthesis of Jasmonate -- 4.5.3.3 Jasmonates During Salt Stress -- 4.5.3.4 The Effect of Exogenous Jasmonates on Adaptation to Salt Stress -- 4.5.4 Brassinosteroids -- 4.5.4.1 Brassinosteroids in Physiological Processes -- 4.5.4.2 Brassinosteroids During Salt Stress -- 4.5.4.3 The Effect of Exogenous Brassinosteroids on Adaptation to Salt Stress -- 4.5.5 Salicylic Acid -- 4.5.5.1 Role of Salicylic Acid in Biological Processes -- 4.5.5.2 Exogenous Application of Salicylic Acid Under Salinity -- 4.5.6 Cytokinins -- 4.5.6.1 Cytokinins in Biological Processes -- 4.5.6.2 Exogenous Application of Cytokinins Under Salinity Conditions -- 4.5.7 Auxins -- 4.5.7.1 Role Auxins in Biological Processes -- 4.5.7.2 Exogenous Application of Auxins Under Salinity -- 4.5.8 Gibberellins -- 4.5.8.1 Biosynthesis of Gibberellins and Their Role in Biological Processes -- 4.5.8.2 Exogenous Application of Gibberellins Under Salinity -- 4.5.9 Nitric Oxide -- 4.5.9.1 Role of Nitric Oxide in Biological Processes -- 4.5.9.2 Effect of Exogenous Application of Nitric Oxide Under Salinity -- 4.5.10 Strigolactones, Their Hormonal Functions, and Ameliorative Role Under Salt Stress Conditions -- 4.6 Conclusion and Future Prospects -- References. , Chapter 5: Roles of Phytohormones in Morphological and Anatomical Responses of Plants to Flooding Stress -- 5.1 Introduction -- 5.2 Roles of Phytohormones in Lysigenous Aerenchyma Formation -- 5.3 Roles of Phytohormones in Adventitious Root Formation -- 5.4 Roles of Phytohormones in Control of Shoot Elongation Under Submergence -- 5.5 Conclusions and Perspectives -- References -- Chapter 6: Phytohormonal Responses to Soil Acidity in Plants -- 6.1 Introduction -- 6.2 Phytohormonal Responses to Soil Acidity -- 6.3 Mineral Nutrients and Phytohormonal Responses to Soil Acidity -- 6.4 Phytohormonal Responses to Aluminum Toxicity -- 6.5 Conclusions and Future Perspectives -- References -- Chapter 7: Use of Phytohormones for Strengthening Metal(loid) Phytoextraction: Limitations and a Case Study -- 7.1 Introduction -- 7.2 Phytoextraction of Metal(loid)s from Contaminated Soil -- 7.2.1 The Technology -- 7.2.2 Mechanisms Associated with the Phytoextraction of Inorganic Contaminants -- 7.3 Phytohormones and Their Help with Phytoextraction Technology -- 7.3.1 Some Evidence Regarding Phytohormones Application in "Induced" Phytoextraction -- 7.3.2 Some Evidence Regarding Phytohormones Application in "Natural" Phytoextraction -- 7.4 Case Study: Modular Application of Phytohormone and Nitrogen in the Phytoextraction of Boron by Helianthus annuus -- 7.4.1 Effect of Different Treatments on Plant Morphological Characteristics -- 7.4.2 Effect of Treatments on B Phytoextraction by H. annuus -- 7.5 Concluding Remarks -- References -- Chapter 8: Plant Responses to Light Stress: Oxidative Damages, Photoprotection, and Role of Phytohormones -- 8.1 Introduction -- 8.2 Types of Light Affecting Plant Growth -- 8.2.1 UV Rays and Their Effects on Plant Growth -- 8.2.2 Gamma Rays and Their Effects on Plant Growth -- 8.2.3 Low Light Intensity and Its Effects on Plant Growth. , 8.2.4 High Light Intensity and Its Effects on Plant Growth -- 8.3 Quality of Light Affecting Plant Growth -- 8.3.1 Blue Light Affecting Plant Growth -- 8.3.2 Red and Far-Red Light Affecting Plant Growth -- 8.4 Signaling Pathways Involved in UV-B Stress -- 8.5 Major Metabolites Which Confer Resistance Against Light Stress -- 8.5.1 Flavonoids -- 8.5.2 Xanthophylls -- 8.5.3 Glucosinolates -- 8.6 Phytohormone-Mediating Plant Stress Tolerance Against Light Stress -- 8.6.1 Auxin -- 8.6.2 Cytokinins (CTKs) -- 8.6.3 Ethylene -- 8.6.4 Abscisic Acid (ABA) -- 8.7 Conclusions -- References -- Chapter 9: Involvement of Phytohormones in Plant Responses to Ozone -- 9.1 Introduction -- 9.2 Roles of Hormones in Ozone Response -- 9.2.1 Ethylene (ET) -- 9.2.2 Abscisic Acid (ABA) -- 9.2.3 Gibberellins (GAs), Auxins (IAAs), and Cytokinins (CKs) -- 9.3 Roles of Other Signaling Molecules in Ozone Tolerance/Resistance -- 9.3.1 Salicylic Acid (SA) -- 9.3.2 Jasmonic Acid (JA) -- 9.3.3 Proline (Pro) -- 9.3.4 Brassinosteroids (BRs) -- 9.4 Conclusions and Perspectives -- References -- Chapter 10: Engineering Phytohormones for Abiotic Stress Tolerance in Crop Plants -- 10.1 Introduction -- 10.2 Abiotic Stress: Serious Threat to Global Crop Production -- 10.3 Roles of Phytohormones in Abiotic Stress Tolerance -- 10.4 Engineering Phytohormones for Producing Abiotic Stress-Tolerant Crops -- 10.4.1 Genetic Engineering of ABA Metabolism -- 10.4.2 Genetic Engineering of Auxin Metabolism -- 10.4.3 Genetic Engineering of Cytokinin Metabolism -- 10.4.4 Genetic Engineering of Ethylene Metabolism -- 10.4.5 Genetic Engineering of Brassinosteroid Metabolism -- 10.5 Conclusion and Perspectives -- References -- Index.