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Author: Moaed Almeselmani Publisher: LAP Lambert Academic Publishing ISBN: 9783659197383 Category : Languages : en Pages : 248
Book Description
Mechanism of heat stress tolerance in wheat was investigated with the following objectives: study the physiological and biochemical changes and role of antioxidant enzymes, investigate the effect of heat stress on different growth parameters, yields and yields components and molecular analysis of heat stress tolerance in wheat. Significant reductions in all physiological traits (Chlorophyll content, MSI, RWC and Relaxation time T2), growth parameters (LAI, CGR, RGR, NAR, and plant height), yield and yield components under stress conditions were detected. The protective role of antioxidant enzymes was clearly seen through the significant increased in the enzymes activity in tolerant genotypes which was associated with better physiological systems and more stable yield under stress condition. The reduction in the photosynthetic rate under heat stress in susceptible and tolerant genotype was associated with reduction in Rubisco enzyme activity and low level of expression of small subunit of Rubisco particularly in PBW 343. High level of expression of HSP 101 in tolerant genotypes leads to suggestion that this particular protein might have protective role under high temperature stress.
Author: Moaed Almeselmani Publisher: LAP Lambert Academic Publishing ISBN: 9783659197383 Category : Languages : en Pages : 248
Book Description
Mechanism of heat stress tolerance in wheat was investigated with the following objectives: study the physiological and biochemical changes and role of antioxidant enzymes, investigate the effect of heat stress on different growth parameters, yields and yields components and molecular analysis of heat stress tolerance in wheat. Significant reductions in all physiological traits (Chlorophyll content, MSI, RWC and Relaxation time T2), growth parameters (LAI, CGR, RGR, NAR, and plant height), yield and yield components under stress conditions were detected. The protective role of antioxidant enzymes was clearly seen through the significant increased in the enzymes activity in tolerant genotypes which was associated with better physiological systems and more stable yield under stress condition. The reduction in the photosynthetic rate under heat stress in susceptible and tolerant genotype was associated with reduction in Rubisco enzyme activity and low level of expression of small subunit of Rubisco particularly in PBW 343. High level of expression of HSP 101 in tolerant genotypes leads to suggestion that this particular protein might have protective role under high temperature stress.
Author: L.C. Rai Publisher: Springer Science & Business Media ISBN: 3642594913 Category : Science Languages : en Pages : 428
Book Description
Algae, generally held as the principal primary producers of aquatic systems, inhabit all conceivable habitats. They have great ability to cope with a harsh environment, e.g. extremely high and low temperatures, suboptimal and supraoptimal light intensities, low availability of essential nutrients and other resources, and high concentrations of toxic chemicals, etc. A multitude of physiological, biochemical, and molecular strategies enable them to survive and grow in stressful habitats. This book presents a critical account of various mechanisms of stress tolerance in algae, many of which may occur in microbes and plants as well.
Author: Shabir H. Wani Publisher: John Wiley & Sons ISBN: 1119432367 Category : Science Languages : en Pages : 315
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.
Author: Mohammad Anwar Hossain Publisher: Academic Press ISBN: 0128178930 Category : Science Languages : en Pages : 364
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
Author: Golam Jalal Ahammed Publisher: Springer ISBN: 9401777586 Category : Science Languages : en Pages : 278
Book Description
This book presents recent advances in understanding the physiological and molecular mechanisms of different abiotic stresses such as high or low temperature, salinity, drought, flooding, soil acidity, heavy metals, light stress and ozone stress, and discusses the multifaceted role of phytohormones in stress adaptation and the underlying mechanisms. Aimed at students and researchers in the field of plant science, it offers a comprehensive overview of the versatile roles and interactions of different phytohormones in response to a specific stress factor and examines the possible physiological and molecular mechanisms that have been the subject of recent research.
Author: Uday C. Jha Publisher: Bentham Science Publishers ISBN: 981147396X Category : Science Languages : en Pages : 193
Book Description
Heat Stress In Food Grain Crops: Plant Breeding and Omics Research is a timely compilation of advanced research on heat stress affecting crop yield, plant growth & development of common food grain and cereal crops. Chapters in the book cover several aspects of crop science including the identification of potential gene donors for heat tolerance, physiological mechanisms of adaptation to heat stress, the use of conventional and modern tools of breeding for imparting tolerance against terminal temperature stress and precise mapping of heat tolerant QTLs through biparental and genome wide association mapping. The use of genomics and phenomics methods is focused on through chapters dedicated to important crops such as groundnut, pearl millet, maize, chickpea, mungbean and wheat. Authors of the respective chapters explain the importance of harnessing a diverse crop genepool for sustaining crop production under conditions of increasing heat stress. Readers will be able to understand the relevance of functional genomics in elucidating candidate genes and their regulatory functions contributing to heat tolerance
Author: Parvaiz Ahmad Publisher: Springer Science & Business Media ISBN: 1461408156 Category : Science Languages : en Pages : 523
Book Description
Climate change is a complex phenomenon with a wide range of impacts on the environment. Biotic and abiotic stress are a result of climate change. Abiotic stress is caused by primary and secondary stresses which are an impediment to plant productivity. Prolonged exposure to these stresses results in altered metabolism and damage to biomolecules. Plants evolve defense mechanisms to withstand these stresses, e.g. synthesis of osmolytes, osmoprotectants, and antioxidants. Stress responsive genes and gene products including expressed proteins are implicated in conferring tolerance to the plant. This volume will provide the reader with a wide spectrum of information, including vital references. It also provides information as to how phytoconstituents, hormones and plant associated microbes help the plants to tolerate the stress. This volume also highlights the use of plant resources for ameliorating soil contaminants such as heavy metals. Dr. Parvaiz is Assistant professor in Botany at A.S. College, Srinagar, Jammu and Kashmir, India. He has completed his post-graduation in Botany in 2000 from Jamia Hamdard New Delhi India. After his Ph.D from the Indian Institute of Technology (IIT) Delhi, India in 2007 he joined the International Centre for Genetic Engineering and Biotechnology, New Delhi. He has published more than 20 research papers in peer reviewed journals and 4 book chapters. He has also edited a volume which is in press with Studium Press Pvt. India Ltd., New Delhi, India. Dr. Parvaiz is actively engaged in studying the molecular and physio-biochemical responses of different plants (mulberry, pea, Indian mustard) under environmental stress. Prof. M.N.V. Prasad is a Professor in the Department of Plant Sciences at the University of Hyderabad, India. He received B.Sc. (1973) and M.Sc. (1975) degrees from Andhra University, India, and the Ph.D. degree (1979) in botany from the University of Lucknow, India. Prasad had published 216 articles in peer reviewed journals and 82 book chapters and conference proceedings in the broad area of environmental botany and heavy metal stress in plants. He is the author, co-author, editor, or co-editor for eight books. He is the recipient of Pitamber Pant national Environment Fellowship of 2007 awarded by the Ministry of Environment and Forests, Government of India.
Author: M. Ashraf Publisher: CRC Press ISBN: Category : Science Languages : en Pages : 764
Book Description
Abiotic Stresses explores innovative methods for breeding new varieties of major crops with resistance to environmental stresses that limit crop production worldwide, such as drought, salinity, flooding, and mineral deficiency. Experts provide you with basic principles and techniques of plant breeding as well as work done in relation to improving resistance in specific important world food crops. The book supplies extensive bibliographies at the end of each chapter, as well as tables and figures that illustrate the research findings. This timely resource will help scientists and academics in botany, plant breeding, plant environmental stress studies, agriculture, and horticulture modify and improve breeding programs globally. To view an excerpt online, find the book on our QuickSearch catalog at www.HaworthPress.com.
Author: Matthew A. Jenks Publisher: Springer Science & Business Media ISBN: 1402055773 Category : Science Languages : en Pages : 819
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.
Author: Mohammad Anwar Hossain Publisher: John Wiley & Sons ISBN: 1119633117 Category : Science Languages : en Pages : 484
Book Description
Presents the latest knowledge of improving the stress tolerance, yield, and quality of rice crops One of the most important cereal crops, rice provides food to more than half of the world population. Various abiotic stresses—currently impacting an estimated 60% of crop yields—are projected to increase in severity and frequency due to climate change. In light of the threat of global food grain insecurity, interest in molecular rice breeding has intensified in recent years. Progress has been made, but there remains an urgent need to develop stress-tolerant, bio-fortified rice varieties that provide consistent and high-quality yields under both stress and non-stress conditions. Molecular Breeding for Rice Abiotic Stress Tolerance and Nutritional Quality is the first book to provide comprehensive and up-to-date coverage of this critical topic, containing the physiological, biochemical, and molecular information required to develop effective engineering strategies for enhancing rice yield. Authoritative and in-depth chapters examine the molecular and genetic bases of abiotic stress tolerance, discuss yield and quality improvement of rice, and explore new approaches to better utilize natural resources through modern breeding. Topics Include rice adaptation to climate change, enriching rice yields under low phosphorus and light intensity, increasing iron, zinc, vitamin and antioxidant content, and improving tolerance to salinity, drought, heat, cold, submergence, heavy metals and Ultraviolet-B radiation. This important resource: Contains the latest scientific information on a wide range of topics central to molecular breeding for rice Provides timely coverage molecular breeding for improving abiotic stress tolerance, bioavailability of essential micronutrients, and crop productivity through biotechnological methods Features detailed chapters written by internationally-recognized experts in the field Discusses recent progress and future directions in molecular breeding strategies and research Molecular Breeding for Rice Abiotic Stress Tolerance and Nutritional Quality is required reading for rice researchers, agriculturists, and agribusiness professionals, and the ideal text for instructors and students in molecular plant breeding, abiotic stress tolerance, environmental science, and plant physiology, biochemistry, molecular biology, and biotechnology.
Author: Moaed Almeselmani
Author: Moaed Almeselmani
Author: L.C. Rai
Author: Shabir H. Wani
Author: Mohammad Anwar Hossain
Author: Golam Jalal Ahammed
Author: Uday C. Jha
Author: Parvaiz Ahmad
Author: M. Ashraf
Author: Matthew A. Jenks
Author: Mohammad Anwar Hossain