Emerging Plant Growth Regulators in Agriculture

Roles in Stress Tolerance

1st Edition - November 13, 2021
Editors: M. Naeem, Tariq Aftab
Language: English
Paperback ISBN:
9 7 8 - 0 - 3 2 3 - 9 1 0 0 5 - 7
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 9 1 0 0 6 - 4

Emerging Plant Growth Regulators in Agriculture: Roles in Stress Tolerance presents current PGR discoveries and advances for agricultural applications, providing a comprehen… Read more

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Emerging Plant Growth Regulators in Agriculture: Roles in Stress Tolerance presents current PGR discoveries and advances for agricultural applications, providing a comprehensive reference for those seeking to apply these tools for improved plant health and crop yield. As demand for agricultural crops and improved nutritional requirement continue to escalate in response to increasing population, plant researchers have focused on identifying scientific approaches to minimize the negative impacts of climate change on agriculture crops. Among the various applied approaches, the application of plant growth regulators (PGRs) have gained significant attention for their ability to enhance stress tolerance mechanisms.

This book was developed to provide foundational and emerging information to advance the discovery of novel, cost-competitive, specific and effective PGRs for applications in agriculture.

Cover Image
Title Page
Copyright
Table of Contents
Contributors
Chapter 1 Emerging roles of plant growth regulators for plants adaptation to abiotic stress–induced oxidative stress
Abstract
1.1 Introduction
1.2 PHs in abiotic stress tolerance
1.3 Physiological mechanisms of plant growth regulators for plants adaptation to abiotic stress
1.4 Nonhormonal growth regulators and their role in stress
1.5 Developmentally regulated genes and their role in growth regulators induced by abiotic stresses in plants
1.6 Conclusions
Abbreviations
References
Chapter 2 Role of salicylic acid–induced abiotic stress tolerance and underlying mechanisms in plants
Abstract
2.1 Introduction
2.2 Role of SA in mitigating major abiotic stresses
2.3 SA-induced modulation in metabolic processes
2.4 SA-induced signaling mechanism
2.5 SA-induced gene regulation under abiotic stress
2.6 Conclusion and future prospects
Abbreviations
References
Chapter 3 Physiological, biochemical, and molecular mechanisms of plant steroid hormones brassinosteroids under drought-induced oxidative stress in plants
Abstract
3.1 Introduction
3.2 BR and their role in response of plants to drought stress
3.3 Role of BRs in growth and development of plants during drought stress
3.4 BRs interaction with endogenous plant hormones, osmoprotectants, and antioxidant enzymes during drought stress
3.5 The molecular mechanisms of BR-regulated drought stress response in plants
3.6 Conclusion
Abbreviations
References
Chapter 4 Mechanism and function of salicylate in plant toward biotic stress tolerance
Abstract
4.1 Introduction
4.2 Importance of SA research on agriculture
4.3 Plant–pathogen interactions
4.4 Part of SA in plant disease resistance
4.5 Classical and biochemical approaches to identify SA receptor
4.6 Regulation of level of cytosolic SA
4.7 Elucidation of signaling pathway according to different approaches
4.8 Biosynthesis of SA
4.9 Function of the IC versus PAL pathways
4.10 Mode of action of SA
4.11 Techniques for SA quantification
4.12 Conclusion
Abbreviations
References
Chapter 5 Jasmonates: Key Players in Plant Stress Tolerance
Abstract
5.1 Introduction
5.2 Jasmonates (JAs): what, when, and why?
5.3 JA-mediated stress responses
5.4 Elevated ozone (O3)
5.5 Conclusion
List of abbreviations
References
Chapter 6 Physiological roles of karrikins in plants under abiotic stress conditions
Abstract
6.1 Introduction
6.2 A brief history of germination cue from smoke
6.3 Perception of karrikins by plants
6.4 Effect of karrikins on plants
6.5 Roles of karrikins under abiotic stress conditions
6.6 Conclusions and future perspectives
List of abbreviations
References
Chapter 7 Emerging roles of strigolactones in plant responses toward biotic stress
Abstract
7.1 Introduction
7.2 Strigolactone involvement in biotic stress tolerance
7.3 Conclusion
List of abbreviations
References
Chapter 8 Nitric oxide and hydrogen sulfide interactions in plants under adverse environmental conditions
Abstract
8.1 Introduction
8.2 Biosynthesis of NO in plants
8.3 Biosynthesis of H2S in plants
8.4 Role NO and H2S in mediating plant adaptive responses to abiotic stress
8.5 Interaction of NO and H2S with other signaling molecules
8.6 Mechanism of H2S and NO action
8.7 Conclusions and future perspectives
List of abbreviations
References
Chapter 9 Melatonin: an elicitor of plant tolerance under prevailing environmental stresses
Abstract
9.1 Introduction
9.2 History
9.3 Occurrence
9.4 Physiological role of MEL
9.5 The improving roles of MEL under natural and stress conditions
9.6 Conclusion
List of abbreviations
References
Chapter 10 Strigolactones: regulation of biosynthesis, hormonal crosstalk, and its role in abiotic stress adaptation
Abstract
10.1 Introduction
10.2 Biosynthesis and regulation of SL signaling
10.3 SLs in promoting abiotic stress resilience
10.4 Signaling crosstalk between SLs and other plant hormones
10.5 Genetic modulation of SL content/response in crops for improved abiotic stress tolerance
10.6 Conclusion
List of abbreviations
References
Chapter 11 Physiological roles and signaling of polyamines in plants under stressed conditions
Abstract
11.1 Introduction
11.2 PAs functions in plants
11.3 Biosynthesis of PAs
11.4 Metabolism of PAs under stress conditions
11.5 The exogenous supply of PAs and transgenic PAs for plant stress tolerance
11.6 Conclusions and future prospects
Funding
List of abbreviations
References
Chapter 12 Physiological roles of hydrogen sulfide under heavy metal stress
Abstract
12.1 Introduction
12.2 The role of H2S in plants at physiological conditions
12.3 The role of H2S in plants under HM stress
12.4 The effects of H2S supplement under HM stress
12.5 Conclusions and future perspectives
Acknowledgments
List of abbreviations
References
Chapter 13 Role of glycine betaine in stress management in plants
Abstract
13.1 Introduction
13.2 Biosynthesis of GB
13.3 Bioaccumulation and translocation of GB
13.4 Role and mechanisms of GB in stress management
13.5 Interaction of GB with other amendments
13.6 Genetic engineering for GB biosynthesis
13.7 Summary
List of abbreviations
References
Chapter 14 Biogenic amines in plant cell at norma and stress: probes for dopamine and histamine
Abstract
14.1 Introduction
14.2 Common look on the role of catecholamines and histamine in plants at norma and stress
14.3 General principles of cell responses to biogenic amines
14.4 Approaches for studying biogenic amines in plant cells
14.5 Occurrence of dopamine and histamine in cells
14.6 Location of biogenic amines in plant cell
14.7 Biogenic amines as markers of stress in plant cells and their adaptation to stress
14.8 Conclusions
References
Chapter 15 Alleviation of abiotic stress by newly discovered fire-instigated hormone: karrikin
Abstract
15.1 Introduction
15.2 Phytohormone in smoke
15.3 Discovery of karrikin
15.4 Chemical nature of karrikins
15.5 Karrikins: abiotic stress responsiveness and tolerance
15.6 Crosstalk of karrikins with another phytohormone
15.7 Future perspective
List of abbreviations
References
Chapter 16 Role of sugars in crop stress tolerance under challenging environment
Abstract
16.1 Introduction
16.2 Role of sugars in important plant physiological processes
16.3 Role of sugars on plant antioxidant defense system
16.4 Role of sugars under drought, salt, heavy metal, and cold stress
16.5 Mechanisms of sugar sensing and signaling and its crosstalk with plant hormones under abiotic stresses in plants
List of abbreviations
References
Chapter 17 Acquisition of physiological modulations in medicinal plants through degraded natural polysaccharides under dynamic environment
Abstract
17.1 Introduction
17.2 Sodium alginate and its role under different environmental conditions
17.3 Carrageenan and its role under various environmental conditions
17.4 Chitosan
17.5 Acquisition of physiological modulations through degraded chitosan
17.6 During abiotic stresses
17.7 During biotic stresses
17.8 Conclusion
List of abbreviations
References
Chapter 18 Roles of turgorins and systemins in promoting agriculture
Abstract
18.1 Introduction
18.2 Turgorins: roles in plant growth
18.3 Systemins
18.4 Conclusion
18.5 Future perspectives
Acknowledgments
List of abbreviations
References
Chapter 19 Effects of triazoles, strobilurins, and trinexapac ethyl on growth and development of crop plants under stress conditions
Abstract
19.1 Introduction
List of abbreviations
References
Chapter 20 Use of biostimulants in tolerance of drought stress in agricultural crops
Abstract
20.1 Introduction
20.2 Biostimulants and drought stress
20.3 Applications in agronomic crops
20.4 Applications in horticultural crops
List of abbreviations
References
Index

Life Sciences

Physical Sciences & Engineering

Social Sciences & Humanities

Health

Emerging Plant Growth Regulators in Agriculture

Roles in Stress Tolerance

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M. Naeem

Tariq Aftab