Improving Soybean (Glycine Max L.) N2 Fixation Under Salinity Stress PDF Download
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Author: Mohammad Miransari Publisher: LAP Lambert Academic Publishing ISBN: 9783659537172 Category : Languages : en Pages : 80
Book Description
It is important to find methods, which may alleviate the adverse effect of stress on the growth of plants. Salinity is an important stress world wide, unfavorably affecting plant growth and crop production, Here we have presented a new method, which can efficiently alleviate salinity stress on the growth and nitrogen fixing ability of soybean and the associative N fixing bacteria, Bradyrhizobium japonicum. During the process of symbiotic N fixation between soybean and B. japonicum, the initial stages of the process, most importantly the exchange of signal molecules between the two, symbionts, are unfavorably affected by the stress. Accordingly, we hypothesized, tested and proved that if the bacteria is preincubated with the specific signal molecule, genistein, they are able to alleviate salinity stress on the growth and N fixing ability of soybean and B. japonicum. The book can be used by a wide range of audience including students, researches, academicians and scientists at the related disciplines, including plant biology, plant physiology, microbiology, biotechnology, molecular biology, environment, etc. Hoping that such a contribution can be used efficiently and widely.
Author: Mohammad Miransari Publisher: LAP Lambert Academic Publishing ISBN: 9783659537172 Category : Languages : en Pages : 80
Book Description
It is important to find methods, which may alleviate the adverse effect of stress on the growth of plants. Salinity is an important stress world wide, unfavorably affecting plant growth and crop production, Here we have presented a new method, which can efficiently alleviate salinity stress on the growth and nitrogen fixing ability of soybean and the associative N fixing bacteria, Bradyrhizobium japonicum. During the process of symbiotic N fixation between soybean and B. japonicum, the initial stages of the process, most importantly the exchange of signal molecules between the two, symbionts, are unfavorably affected by the stress. Accordingly, we hypothesized, tested and proved that if the bacteria is preincubated with the specific signal molecule, genistein, they are able to alleviate salinity stress on the growth and N fixing ability of soybean and B. japonicum. The book can be used by a wide range of audience including students, researches, academicians and scientists at the related disciplines, including plant biology, plant physiology, microbiology, biotechnology, molecular biology, environment, etc. Hoping that such a contribution can be used efficiently and widely.
Author: Mohammad Miransari Publisher: Academic Press ISBN: 0128017287 Category : Technology & Engineering Languages : en Pages : 324
Book Description
Environmental Stress Conditions in Soybean Production: Soybean Production, Volume Two, examines the impact of conditions on final crop yield and identifies core issues and methods to address concerns. As climate and soil quality changes and issues continue to manifest around the world, methods of ensuring sustainable crop production is imperative. The care and treatment of the soil nutrients, how water availability and temperature interact with both soil and plant, and what new means of crop protection are being developed make this an important resource for those focusing on this versatile crop. The book is a complement to volume one, Abiotic and Biotic Stresses in Soybean Production, providing further insights into crop protection. Presents insights for addressing specific environmental stress conditions in soybean production, including soil, atmospheric, and other contributing factors Facilitates translational methods based on stress factors from around the world Examines the future of soybean production challenges, including those posed by climate change Complements volume one, Abiotic and Biotic Stresses in Soybean Production, providing further insights into crop protection
Author: Mohammad Miransari Publisher: Academic Press ISBN: 0128017309 Category : Technology & Engineering Languages : en Pages : 348
Book Description
Abiotic and Biotic Stresses in Soybean Production: Soybean Production Volume One presents the important results of research in both field and greenhouse conditions that guide readers to effectively manage the chemical, physical, and biological factors that can put soybean production at risk. Including the latest in genetics, signaling, and biotechnology, the book identifies these types of stresses, their causes, and means of avoiding, then addresses existing stresses to provide a comprehensive overview of key production yield factors. By presenting important insights into the historical and emerging uses for soybean, the book educates readers on the factors for consideration as new uses are developed. It is an ideal complement to volume two, Environmental Stress Conditions in Soybean Production, that work together to provide valuable insights into crop protection. Presents insights for the successful production of soybean based on chemical, physical and biologic challenges Includes the latest specifics on soybean properties, growth, and production, including responses to different stresses and their alleviation methods Offers recent advancements related to the process of N fixation and rhizobium, including signaling pathways and their practical use Explores the production of rhizobium inoculums at large-scale levels
Author: Bhunesh Kothanur Publisher: ISBN: Category : Soybean Languages : en Pages : 160
Book Description
Drought and water-deficit adversely affect plant productivity. Limited water is a multidimensional stress that induces a number of molecular, biochemical and physiological changes in affected plants. These changes include altered photosynthetic capacity, altered gas exchange and the accumulation of secondary compounds. Glycine max (L.) Merrill (soybean) is an important crop and drought is a major limitation to soybean yield world--wide. The objective of this study is to monitor the physiological and biochemical responses to water-deficit stress in seedlings of two G. max cultivars (i.e. Forrest and Essex). The responses measured are: 1) relative water content (RWC), 2) net photosynthesis, 3) stomatal conductance, 3) evaporation rate, 4) water use efficiency (WUE), 5) radiation use efficiency (RUE) and 6) trigonelline accumulation. Trigonelline is a secondary compound known to accumulate in soybean in response to salinity- and water-deficit-stress. 14 day-old seedlings of Forrest (cv.) and Essex (cv.) were grown on open benches in the SIUC greenhouse and water was withheld for six days (i.e.15-to-20 DAP). During the treatment, RWC declined in both cultivars—from 89 to 41% in Essex and 83 to 60% in Forrest. Concomitantly, net photosynthesis, stomatal conductance, evaporation rate, WUE and RUE also declined in both cultivars. As RWC declined, the amount of trigonelline increased in both cultivars—from 2.3 to 5.34 OD gFW-1 in Essex and 2.3 to 6.63 OD gFW -1 in Forrest. The data supports the idea that trigonelline may function as a compatible solute and that confirms the hypothesis that trigonelline is a biomarker for plant water status.
Author: P. Graham Publisher: Springer Science & Business Media ISBN: 9401110883 Category : Science Languages : en Pages : 206
Book Description
During the past three decades there has been a large amount of research on biological nitrogen fixation, in part stimulated by increasing world prices of nitrogen-containing fertilizers and environmental concerns. In the last several years, research on plant--microbe interactions, and symbiotic and asymbiotic nitrogen fixation has become truly interdisciplinary in nature, stimulated to some degree by the use of modern genetic techniques. These methodologies have allowed us to make detailed analyses of plant and bacterial genes involved in symbiotic processes and to follow the growth and persistence of the root-nodule bacteria and free-living nitrogen-fixing bacteria in soils. Through the efforts of a large number of researchers we now have a better understanding of the ecology of rhizobia, environmental parameters affecting the infection and nodulation process, the nature of specificity, the biochemistry of host plants and microsymbionts, and chemical signalling between symbiotic partners. This volume gives a summary of current research efforts and knowledge in the field of biological nitrogen fixation. Since the research field is diverse in nature, this book presents a collection of papers in the major research area of physiology and metabolism, genetics, evolution, taxonomy, ecology, and international programs.
Author: Saad Sulieman Publisher: Springer ISBN: 3319062123 Category : Science Languages : en Pages : 136
Book Description
The world population will grow more rapidly during the few coming years. This must be accompanied by a parallel increase in the agricultural production to secure adequate food. Sustainability considerations mandate that alternatives to chemical nitrogen fertilizers must be urgently sought. Biological nitrogen (N2) fixation, a microbiological process which converts atmospheric N2 into a plant-usable form, offers this alternative. Among these renewable sources, N2-fixing legumes offer an economically attractive and ecologically sound means of reducing external inputs and improving internal resources. Environmental factors such as drought, elevated temperature, salinity, soil acidity and rising CO2 are known to dramatically affect the symbiotic process and thus play a part in determining the actual amount of nitrogen fixed by a given legume in the field. Understanding how nodule N2 fixation responds to the environment is crucial for improving legume production and maintaining sustainability in the context of global change. In this thoughtful and provocative new Brief, we provide critical information on how current and projected future changes in the environment will affect legume growth and their symbiotic N2 fixing capabilities. Each section reviews the main drivers of environmental change on the legume performance that include drought, elevated temperature, salinity and rising CO2, and soil acidity. Importantly we discuss the molecular approaches to the analysis of the stress response in legumes and the possible biotechnological strategies to overcome their detrimental effects.
Author: Mohammad Miransari
Author: Mohammad Miransari
Author: Riadh A. Ahmad
Author: Mohammad Miransari
Author: Mohammad Miransari
Author: Lisbet Ann Phillips
Author: Riadh A. Ahmad
Author: Bhunesh Kothanur
Author: P. Graham
Author: Saad Sulieman
Author: Naveen Kumar Arora