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Stress Tolerance In Horticultural Crops

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Stress Tolerance in Horticultural Crops

Stress Tolerance in Horticultural Crops Book
Author : Ajay Kumar,Avinash Chandra Rai,Ashutosh Rai,Krishna Kumar Rai,Ved Prakash Rai
Publisher : Woodhead Publishing
Release : 2021-04-30
ISBN : 0323853633
Language : En, Es, Fr & De

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Book Description :

Stress Tolerance in Horticultural Crops: Challenges and Mitigation Strategies explores concepts, strategies and recent advancements in the area of abiotic stress tolerance in horticultural crops, highlighting the latest advances in molecular breeding, genome sequencing and functional genomics approaches. Further sections present specific insights on different aspects of abiotic stress tolerance from classical breeding, hybrid breeding, speed breeding, epigenetics, gene/quantitative trait loci (QTL) mapping, transgenics, physiological and biochemical approaches to OMICS approaches, including functional genomics, proteomics and genomics assisted breeding. Due to constantly changing environmental conditions, abiotic stress such as high temperature, salinity and drought are being understood as an imminent threat to horticultural crops, including their detrimental effects on plant growth, development, reproduction, and ultimately, on yield. This book offers a comprehensive resource on new developments that is ideal for anyone working in the field of abiotic stress management in horticultural crops, including researchers, students and educators. Describes advances in whole genome and next generation sequencing approaches for breeding climate smart horticultural crops Details advanced germplasm tolerance to abiotic stresses screened in the recent past and their performance Includes advancements in OMICS approaches in horticultural crops

Abiotic Stress Physiology of Horticultural Crops

Abiotic Stress Physiology of Horticultural Crops Book
Author : N.K. Srinivasa Rao,K.S. Shivashankara,R.H. Laxman
Publisher : Springer
Release : 2016-04-08
ISBN : 8132227255
Language : En, Es, Fr & De

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Book Description :

This book brings together recent advances in the area of abiotic stress tolerance in various vegetables, fruit crops, plantation crops and tuber crops. The main challenges to improving the productivity of horticultural crops are the different types of abiotic stresses generally caused by climate change at the regional and global level. Heat, drought, cold and salinity are the major abiotic stresses that adversely affect growth and productivity and can trigger a series of morphological, physiological, biochemical and molecular changes in various horticultural crops. To date, there are no books covering horticultural crop-specific abiotic stress tolerance mechanisms and their management. Addressing that gap, the book is divided into 2 sections, the first of which highlights recent advances in the general aspects of abiotic stress tolerance like the role of hormones, reactive oxygen species, seed treatments, molecular mechanisms of heat tolerance and heavy metal toxicity, while the second focuses on the abiotic stress tolerance mechanisms of various vegetables, fruit crops, plantation crops and tuber crops. It includes comprehensive discussions of fruit crops like mango, grapes, banana, litchi and arid zone fruits; vegetables crops like tomato, capsicum, onion and tuber crops; and plantation crops like coconut, areca nut, oil palm and black pepper. Among the strategies for plant stress survival, examples of both avoidance and tolerance relevant to particular crops are examined in detail, supported by selected comprehensive case studies of progress. As such, the book offers a valuable resource suited for scientists and graduate students working in the fields of crop improvement, genetic engineering, and the abiotic stress tolerance of horticultural crops.

Drought Stress Tolerance in Plants Vol 1

Drought Stress Tolerance in Plants  Vol 1 Book
Author : Mohammad Anwar Hossain,Shabir Hussain Wani,Soumen Bhattacharjee,David J Burritt,Lam-Son Phan Tran
Publisher : Springer
Release : 2016-05-25
ISBN : 3319288997
Language : En, Es, Fr & De

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Book Description :

Abiotic stress adversely affects crop production worldwide, decreasing average yields for most of the crops to 50%. Among various abiotic stresses affecting agricultural production, drought stress is considered to be the main source of yield reduction around the globe. Due to an increasing world population, drought stress will lead to a serious food shortage by 2050. The situation may become worse due to predicated global climate change that may multiply the frequency and duration and severity of such abiotic stresses. Hence, there is an urgent need to improve our understanding on complex mechanisms of drought stress tolerance and to develop modern varieties that are more resilient to drought stress. Identification of the potential novel genes responsible for drought tolerance in crop plants will contribute to understanding the molecular mechanism of crop responses to drought stress. The discovery of novel genes, the analysis of their expression patterns in response to drought stress, and the determination of their potential functions in drought stress adaptation will provide the basis of effective engineering strategies to enhance crop drought stress tolerance. Although the in-depth water stress tolerance mechanisms is still unclear, it can be to some extent explained on the basis of ion homeostasis mediated by stress adaptation effectors, toxic radical scavenging, osmolyte biosynthesis, water transport, and long distance signaling response coordination. Importantly, complete elucidation of the physiological, biochemical, and molecular mechanisms for drought stress, perception, transduction, and tolerance is still a challenge to the plant biologists. The findings presented in volume 1 call attention to the physiological and biochemical modalities of drought stress that influence crop productivity, whereas volume 2 summarizes our current understanding on the molecular and genetic mechanisms of drought stress resistance in plants.

Heat Stress Tolerance in Plants

Heat Stress Tolerance in Plants Book
Author : Shabir H. Wani,Vinay Kumar
Publisher : John Wiley & Sons
Release : 2020-04-06
ISBN : 1119432367
Language : En, Es, Fr & De

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Book Description :

Demystifies the genetic, biochemical, physiological, and molecular mechanisms underlying heat stress tolerance in plants Heat stress—when high temperatures cause irreversible damage to plant function or development—severely impairs the growth and yield of agriculturally important crops. As the global population mounts and temperatures continue to rise, it is crucial to understand the biochemical, physiological, and molecular mechanisms of thermotolerance to develop ‘climate-smart’ crops. Heat Stress Tolerance in Plants provides a holistic, cross-disciplinary survey of the latest science in this important field. Presenting contributions from an international team of plant scientists and researchers, this text examines heat stress, its impact on crop plants, and various mechanisms to modulate tolerance levels. Topics include recent advances in molecular genetic approaches to increasing heat tolerance, the potential role of biochemical and molecular markers in screening germplasm for thermotolerance, and the use of next-generation sequencing to unravel the novel genes associated with defense and metabolite pathways. This insightful book: Places contemporary research on heat stress in plants within the context of global climate change and population growth Includes diverse analyses from physiological, biochemical, molecular, and genetic perspectives Explores various approaches to increasing heat tolerance in crops of high commercial value, such as cotton Discusses the applications of plant genomics in the development of thermotolerant ‘designer crops’ An important contribution to the field, Heat Stress Tolerance in Plants is an invaluable resource for scientists, academics, students, and researchers working in fields of pulse crop biochemistry, physiology, genetics, breeding, and biotechnology.

Abiotic Stress Effects on Performance of Horticultural Crops

Abiotic Stress Effects on Performance of Horticultural Crops Book
Author : Alessandra Francini,Luca Sebastiani
Publisher : MDPI
Release : 2019-11-05
ISBN : 3039217518
Language : En, Es, Fr & De

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Book Description :

This book is a printed edition of the Special Issue Abiotic Stress Effects on Performance of Horticultural Crops that was published in Horticulturae

Drought Stress Tolerance in Plants Vol 2

Drought Stress Tolerance in Plants  Vol 2 Book
Author : Mohammad Anwar Hossain,Shabir Hussain Wani,Soumen Bhattacharjee,David J Burritt,Lam-Son Phan Tran
Publisher : Springer
Release : 2016-08-24
ISBN : 3319324233
Language : En, Es, Fr & De

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Book Description :

Drought is one of the most severe constraints to crop productivity worldwide, and thus it has become a major concern for global food security. Due to an increasing world population, droughts could lead to serious food shortages by 2050. The situation may worsen due to predicated climatic changes that may increase the frequency, duration and severity of droughts. Hence, there is an urgent need to improve our understanding of the complex mechanisms associated with drought tolerance and to develop modern crop varieties that are more resilient to drought. Identification of the genes responsible for drought tolerance in plants will contribute to our understanding of the molecular mechanisms that could enable crop plants to respond to drought. The discovery of novel drought related genes, the analysis of their expression patterns in response to drought, and determination of the functions these genes play in drought adaptation will provide a base to develop effective strategies to enhance the drought tolerance of crop plants. Plant breeding efforts to increase crop yields in dry environments have been slow to date mainly due to our poor understanding of the molecular and genetic mechanisms involved in how plants respond to drought. In addition, when it comes to combining favourable alleles, there are practical obstacles to developing superior high yielding genotypes fit for drought prone environments. Drought Tolerance in Plants, Vol 2: Molecular and Genetic Perspectives combines novel topical findings, regarding the major molecular and genetic events associated with drought tolerance, with contemporary crop improvement approaches. This volume is unique as it makes available for its readers not only extensive reports of existing facts and data, but also practical knowledge and overviews of state-of-the-art technologies, across the biological fields, from plant breeding using classical and molecular genetic information, to the modern omic technologies, that are now being used in drought tolerance research to breed drought-related traits into modern crop varieties. This book is useful for teachers and researchers in the fields of plant breeding, molecular biology and biotechnology.

Abiotic Stress Biology in Horticultural Plants

Abiotic Stress Biology in Horticultural Plants Book
Author : Yoshinori Kanayama,Alexey Kochetov
Publisher : Springer
Release : 2015-01-16
ISBN : 4431552510
Language : En, Es, Fr & De

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Book Description :

The purpose of this publication is to elucidate the biological aspect of the abiotic stress response from the field to the molecular level in horticultural plants. This book is unique in that it concerns the basic aspect of abiotic stress biology and research progress at the molecular level in model plants or major field crops, as it focuses mainly on the abiotic stress response in existing horticultural plants. Many readers interested in plant abiotic stress biology are aware of the application of the latest findings to agricultural production, and this book will have a special appeal for those readers. The book will be of interest to scientists and graduate students who are involved in the research, development, production, processing, and marketing of horticultural products, including those in developing countries who are interested in high tech and advanced science in this field. The application of the latest findings to agricultural production is particularly useful. Stress tolerance mechanisms in horticultural crops are gaining importance, because most agricultural regions are predicted to experience considerably more extreme environmental fluctuations due to global climate change. Further, because of recent progress in next-generation sequencing technologies, the postgenomic era is impending not only in model plants and major cereal crops but also in horticultural crops, which comprise a great diversity of species. This book provides information on the physiological aspects of the abiotic stress response in horticultural plants, which is considered essential for postgenomic research.

Priming Mediated Stress and Cross Stress Tolerance in Crop Plants

Priming Mediated Stress and Cross Stress Tolerance in Crop Plants Book
Author : Mohammad Anwar Hossain,Fulai Liu,David Burritt,Masayuki Fujita,Bingru Huang
Publisher : Academic Press
Release : 2020-01-22
ISBN : 0128178930
Language : En, Es, Fr & De

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Book Description :

Priming-Mediated Stress and Cross-Stress Tolerance in Crop Plants provides the latest, in-depth understanding of the molecular mechanisms associated with the development of stress and cross-stress tolerance in plants. Plants growing under field conditions are constantly exposed, either sequentially or simultaneously, to many abiotic or biotic stress factors. As a result, many plants have developed unique strategies to respond to ever-changing environmental conditions, enabling them to monitor their surroundings and adjust their metabolic systems to maintain homeostasis. Recently, priming mediated stress and cross-stress tolerance (i.e., greater tolerance to a second, stronger stress after exposure to a different, milder primary stress) have attracted considerable interest within the scientific community as potential means of stress management and for producing stress-resistant crops to aid global food security. Priming-Mediated Stress and Cross-Stress Tolerance in Crop Plants comprehensively reviews the physiological, biochemical, and molecular basis of cross-tolerance phenomena, allowing researchers to develop strategies to enhance crop productivity under stressful conditions and to utilize natural resources more efficiently. The book is a valuable asset for plant and agricultural scientists in corporate or government environments, as well as educators and advanced students looking to promote future research into plant stress tolerance. Provides comprehensive information for developing multiple stress-tolerant crop varieties Includes in-depth physiological, biochemical, and molecular information associated with cross-tolerance Includes contribution from world-leading cross-tolerance research group Presents color images and diagrams for effective communication of key concepts

Agronomic Crops

Agronomic Crops Book
Author : Mirza Hasanuzzaman
Publisher : Springer Nature
Release : 2020-03-09
ISBN : 9811500258
Language : En, Es, Fr & De

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Book Description :

Agronomic crops have been a source of foods, beverages, fodders, fuels, medicines and industrial raw materials since the dawn of human civilization. Over time, these crops have come to be cultivated using scientific methods instead of traditional methods. However, in the era of climate change, agronomic crops are increasingly subjected to various environmental stresses, which results in substantial yield loss. To meet the food demands of the ever-increasing global population, new technologies and management practices are being adopted to boost yield and maintain productivity under both normal and adverse conditions. To promote the sustainable production of agronomic crops, scientists are currently exploring a range of approaches, which include varietal development, soil management, nutrient and water management, pest management etc. Researchers have also made remarkable progress in developing stress tolerance in crops through various approaches. However, finding solutions to meet the growing food demands remains a challenge. Although there are several research publications on the above-mentioned problems, there are virtually no comprehensive books addressing all of the recent topics. Accordingly, this book, which covers all aspects of production technologies, management practices, and stress tolerance of agronomic crops in a single source, offers a highly topical guide.

Cold Tolerance in Plants

Cold Tolerance in Plants Book
Author : Shabir Hussain Wani,Venura Herath
Publisher : Springer
Release : 2018-11-24
ISBN : 3030014150
Language : En, Es, Fr & De

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Book Description :

Cold stress is one of the prevalent environmental stresses affecting crop productivity, particularly in temperate regions. Numerous plant types of tropical or subtropical origin are injured or killed by non-freezing low temperature, and display a range of symptoms of chilling injury such as chlorosis, necrosis, or growth retardation. In contrast, chilling tolerant species thrive well at such temperatures. To thrive under cold stress conditions, plants have evolved complex mechanisms to identify peripheral signals that allow them to counter varying environmental conditions. These mechanisms include stress perception, signal transduction, transcriptional activation of stress-responsive target genes, and synthesis of stress-related proteins and other molecules, which help plants to strive through adverse environmental conditions. Conventional breeding methods have met with limited success in improving the cold tolerance of important crop plants through inter-specific or inter-generic hybridization. A better understanding of physiological, biochemical and molecular responses and tolerance mechanisms, and discovery of novel stress-responsive pathways and genes may contribute to efficient engineering strategies that enhance cold stress tolerance. It is therefore imperative to accelerate the efforts to unravel the biochemical, physiological and molecular mechanisms underlying cold stress tolerance in plants. Through this new book, we intend to integrate the contributions from plant scientists targeting cold stress tolerance mechanisms using physiological, biochemical, molecular, structural and systems biology approaches. It is hoped that this collection will serve as a reference source for those who are interested in or are actively engaged in cold stress research.

Salt Stress in Plants

Salt Stress in Plants Book
Author : Parvaiz Ahmad,M.M. Azooz,M.N.V. Prasad
Publisher : Springer Science & Business Media
Release : 2013-02-26
ISBN : 1461461081
Language : En, Es, Fr & De

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Book Description :

Environmental conditions and changes, irrespective of source, cause a variety of stresses, one of the most prevalent of which is salt stress. Excess amount of salt in the soil adversely affects plant growth and development, and impairs production. Nearly 20% of the world’s cultivated area and nearly half of the world’s irrigated lands are affected by salinity. Processes such as seed germination, seedling growth and vigour, vegetative growth, flowering and fruit set are adversely affected by high salt concentration, ultimately causing diminished economic yield and also quality of produce. Most plants cannot tolerate salt-stress. High salt concentrations decrease the osmotic potential of soil solution, creating a water stress in plants and severe ion toxicity. The interactions of salts with mineral nutrition may result in nutrient imbalances and deficiencies. The consequence of all these can ultimately lead to plant death as a result of growth arrest and molecular damage. To achieve salt-tolerance, the foremost task is either to prevent or alleviate the damage, or to re-establish homeostatic conditions in the new stressful environment. Barring a few exceptions, the conventional breeding techniques have been unsuccessful in transferring the salt-tolerance trait to the target species. A host of genes encoding different structural and regulatory proteins have been used over the past 5–6 years for the development of a range of abiotic stress-tolerant plants. It has been shown that using regulatory genes is a more effective approach for developing stress-tolerant plants. Thus, understanding the molecular basis will be helpful in developing selection strategies for improving salinity tolerance. This book will shed light on the effect of salt stress on plants development, proteomics, genomics, genetic engineering, and plant adaptations, among other topics. The book will cover around 25 chapters with contributors from all over the world. ​​

Stress Physiology in Crop Plants

Stress Physiology in Crop Plants Book
Author : International Conference on Stress Physiology in Crop Plants
Publisher : Krieger Publishing Company
Release : 1979-07-12
ISBN :
Language : En, Es, Fr & De

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Book Description :

Organization and conduct of plant stress research to increase agricultural productivity. Disease tolerance: reducing the impact of disease-induced stress on crop yields. Thigmomorphogenesis: the effect of mechanical pertubation on the growth of plants, with special reference to anatomical changes, the role of ethylene, and interaction with other environmental stresses. Differential aluminum tolerance in crop plants. Comparative responses of field grown crops to phosphate concentrations in soil solutions. Production of food plants in areas supplied with highy saline water: problems and prospects. Salt resistance in agricultural crops. Effects of freezing and cold acclimation on membrane structure and function. Cold resistance and injury in winter cereals. Strategies for altering chilling sensitivity as a limiting factor in crop production. Frost hardiness: a discussion of possible molecular causes of injury with particular reference to deep supercooling of water. Breeding potatoes for tolerance to stress: heat and frost. Selecting for drought and heat resistance in grain sorghum. Drought stress of cowpea and soybean under tropical conditions. Effects of water and heat stress on carbon metabolism of plants with C3 and C4 photosynthesis. Air pollution stress. Drought resistance and adaptation to water deficits in crop plants. Drought resistance in cereals - rice: a case study. Stomatal behavior and breeding fro drought resistance. Genetic improvement of drought resistance in crop plants: a case for sorghum. Testing and selecting for drought resistance in wheat. Growth and development of chickpeas under progressive moisture stress.

Advances in Molecular Breeding Toward Drought and Salt Tolerant Crops

Advances in Molecular Breeding Toward Drought and Salt Tolerant Crops Book
Author : Matthew A. Jenks,Paul M. Hasegawa,Shri Mohan Jain
Publisher : Springer Science & Business Media
Release : 2009-05-07
ISBN : 1402055773
Language : En, Es, Fr & De

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Book Description :

With near-comprehensive coverage of new advances in crop breeding for drought and salinity stress tolerance, this timely work seeks to integrate the most recent findings about key biological determinants of plant stress tolerance with modern crop improvement strategies. This volume is unique because is provides exceptionally wide coverage of current knowledge and expertise being applied in drought and salt tolerance research.

Plant Stress Tolerance

Plant Stress Tolerance Book
Author : Ramanjulu Sunkar
Publisher : Humana
Release : 2010-05-14
ISBN :
Language : En, Es, Fr & De

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Book Description :

Written by leading researchers, this book provides an easily accessible reference for plant stress tolerance. Comprehensive and up-to-date, it provides a wide range of easy-to-follow protocols catering to the needs of those probing this vital area of study.

Plant Nutrients and Abiotic Stress Tolerance

Plant Nutrients and Abiotic Stress Tolerance Book
Author : Mirza Hasanuzzaman,Masayuki Fujita,Hirosuke Oku,Kamrun Nahar,Barbara Hawrylak-Nowak
Publisher : Springer
Release : 2018-06-01
ISBN : 9811090440
Language : En, Es, Fr & De

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Book Description :

This book discusses many aspects of plant-nutrient-induced abiotic stress tolerance. It consists of 22 informative chapters on the basic role of plant nutrients and the latest research advances in the field of plant nutrients in abiotic stress tolerance as well as their practical applications. Today, plant nutrients are not only considered as food for plants, but also as regulators of numerous physiological processes including stress tolerance. They also interact with a number of biological molecules and signaling cascades. Although research work and review articles on the role of plant nutrients in abiotic stress tolerance have been published in a range of journals, annual reviews and book chapters, to date there has been no comprehensive book on this topic. As such, this timely book is a valuable resource for a wide audience, including plant scientists, agronomists, soil scientists, botanists, molecular biologists and environmental scientists.

Abiotic Stress Mediated Sensing and Signaling in Plants An Omics Perspective

Abiotic Stress Mediated Sensing and Signaling in Plants  An Omics Perspective Book
Author : Sajad Majeed Zargar,Mohammad Yousuf Zargar
Publisher : Springer
Release : 2018-02-20
ISBN : 9811074798
Language : En, Es, Fr & De

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Book Description :

The natural environment for plants is composed of a complex set of abiotic and biotic stresses; plant responses to these stresses are equally complex. Systems biology allows us to identify regulatory hubs in complex networks. It also examines the molecular “parts” (transcripts, proteins and metabolites) of an organism and attempts to combine them into functional networks or models that effectively describe and predict the dynamic activities of that organism in different environments. This book focuses on research advances regarding plant responses to abiotic stresses, from the physiological level to the molecular level. It highlights new insights gained from the integration of omics datasets and identifies remaining gaps in our knowledge, outlining additional focus areas for future crop improvement research. Plants have evolved a wide range of mechanisms for coping with various abiotic stresses. In many crop plants, the molecular mechanisms involved in a single type of stress tolerance have since been identified; however, in order to arrive at a holistic understanding of major and common events concerning abiotic stresses, the signaling pathways involved must also be elucidated. To date several molecules, like transcription factors and kinases, have been identified as promising candidates that are involved in crosstalk between stress signalling pathways. However, there is a need to better understand the tolerance mechanisms for different abiotic stresses by thoroughly grasping the signalling and sensing mechanisms involved. Accordingly, this book covers a range of topics, including the impacts of different abiotic stresses on plants, the molecular mechanisms leading to tolerance for different abiotic stresses, signaling cascades revealing cross-talk among various abiotic stresses, and elucidation of major candidate molecules that may provide abiotic stress tolerance in plants.

Plants Stress Proteins

Plants  Stress   Proteins Book
Author : Dipanjana Ghosh,Qingsong Lin,Jian Xu,Hanjo A. Hellmann
Publisher : Frontiers Media SA
Release : 2017-09-08
ISBN : 2889452670
Language : En, Es, Fr & De

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Book Description :

Biotic and abiotic stress factors deliver a huge impact on plant life. Biotic stress factors such as damage through pathogens or herbivore attack, as well as abiotic stress factors like variation in temperature, rainfall and salinity, have placed the plant kingdom under constant challenges for survival. As a consequence, global agricultural and horticultural productivity has been disturbed to a large extent. Being sessile in nature, plants cannot escape from the stress, and instead adapt changes within their system to overcome the adverse conditions. These changes include physiological, developmental and biochemical alterations within the plant body which influences the genome, proteome and metabolome profiles of the plant. Since proteins are the ultimate players of cellular behavior, proteome level alterations during and recovery period of stress provide direct implications of plant responses towards stress factors. With current advancement of modern high-throughput technologies, much research has been carried out in this field. This e-book highlights the research and review articles that cover proteome level changes during the course or recovery period of various stress factors in plant life. Overall, the chapters in this e-book has provided a wealth of information on how plants deal with stress from a proteomics perspective.

Approaches for Enhancing Abiotic Stress Tolerance in Plants

Approaches for Enhancing Abiotic Stress Tolerance in Plants Book
Author : Mirza Hasanuzzaman,Kamrun Nahar,Masayuki Fujita,Hirosuke Oku,Tofazzal Islam
Publisher : CRC Press
Release : 2019-01-10
ISBN : 1351104713
Language : En, Es, Fr & De

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Book Description :

Plants are frequently exposed to unfavorable and adverse environmental conditions known as abiotic stressors. These factors can include salinity, drought, heat, cold, flooding, heavy metals, and UV radiation which pose serious threats to the sustainability of crop yields. Since abiotic stresses are major constraints for crop production, finding the approaches to enhance stress tolerance is crucial to increase crop production and increase food security. This book discusses approaches to enhance abiotic stress tolerance in crop plants on a global scale. Plants scientists and breeders will learn how to further mitigate plant responses and develop new crop varieties for the changing climate.

Ascorbic Acid in Plant Growth Development and Stress Tolerance

Ascorbic Acid in Plant Growth  Development and Stress Tolerance Book
Author : Mohammad Anwar Hossain,Sergi Munné-Bosch,David J. Burritt,Pedro Diaz-Vivancos,Masayuki Fujita,Argelia Lorence
Publisher : Springer
Release : 2018-03-19
ISBN : 3319740571
Language : En, Es, Fr & De

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Book Description :

Ascorbic acid (AsA), vitamin C, is one of the most abundant water-soluble antioxidant in plants and animals. In plants AsA serves as a major redox buffer and regulates various physiological processes controlling growth, development, and stress tolerance. Recent studies on AsA homeostasis have broadened our understanding of these physiological events. At the mechanistic level, AsA has been shown to participate in numerous metabolic and cell signaling processes, and the dynamic relationship between AsA and reactive oxygen species (ROS) has been well documented. Being a major component of the ascorbate-glutathione (AsA-GSH) cycle, AsA helps to modulate oxidative stress in plants by controlling ROS detoxification alone and in co-operation with glutathione. In contrast to the single pathway responsible for AsA biosynthesis in animals, plants utilize multiple pathways to synthesize AsA, perhaps reflecting the importance of this molecule to plant health. Any fluctuations, increases or decreases, in cellular AsA levels can have profound effects on plant growth and development, as AsA is associated with the regulation of the cell cycle, redox signaling, enzyme function and defense gene expression. Although there has been significant progress made investigating the multiple roles AsA plays in stress tolerance, many aspects of AsA-mediated physiological responses require additional research if AsA metabolism is to be manipulated to enhance stress-tolerance. This book summarizes the roles of AsA that are directly or indirectly involved in the metabolic processes and physiological functions of plants. Key topics include AsA biosynthesis and metabolism, compartmentation and transport, AsA-mediated ROS detoxification, as well as AsA signaling functions in plant growth, development and responses to environmental stresses. The main objective of this volume is therefore to supply comprehensive and up-to-date information for students, scholars and scientists interested in or currently engaged in AsA research.

PLANT STRESS TOLERANCE PHYSIOLOGICAL MOLECULAR STRATEGIES

PLANT STRESS TOLERANCE PHYSIOLOGICAL   MOLECULAR STRATEGIES Book
Author : Hemantaranjan, A.
Publisher : Scientific Publishers
Release : 2016-06-01
ISBN : 9386102196
Language : En, Es, Fr & De

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Book Description :

The book entitled "Plant Stress Tolerance – Physiological & Molecular Strategies" has been especially edited for holistic development of the science of agriculture and crop production under distinctly changing environment. Resource utilization is always overlooked; hence a brief focus on sustainability has been remarkably presented to prove the meaningfulness of this publication. This book brings ingenious applied researches highlighting the major environmental factors coupled with scrupulous strategies in solving abiotic stresses in varied micro and macro agro-climatic conditions , in general, and unfolding the basis for tolerance mechanisms in plant systems, in particular.