Effects of Salt Stress on Ecophysiological and Molecular Characteristics of Populus Euphratica Oliv., Populus X Canescens (Aiton) Sm. and Arabidopsis Thaliana L. PDF Download
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Author: Payam Fayyaz
Publisher: Cuvillier Verlag
ISBN: 386727536X
Category :
Languages : en
Pages : 177
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Book Description
Author: Payam Fayyaz
Publisher: Cuvillier Verlag
ISBN: 386727536X
Category :
Languages : en
Pages : 177
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Book Description
Author: Die deutsche Nationalbibliothek
Publisher:
ISBN:
Category :
Languages : de
Pages : 830
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Book Description
Author: Eric Aart Ottow
Publisher: Cuvillier Verlag
ISBN: 3736913796
Category : Science
Languages : de
Pages : 153
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Book Description
Populus euphratica (Oliv.) is capable of growth in saline environments. However, little is known on the molecular and ecophysiological traits of its salt resistance. The aim of the present investigation was to gain new insights into the strategies of P. euphratica to cope with elevated NaCl concentrations. Laboratory experiments with young P. euphratica plants revealed that Na + was primarily accumulated in leaves and roots while the stems were less affected. Severe salt stress caused a complete die-back of the salt-sensitive poplar hybrid Populus x canescens but did not injure P. euphratica despite accumulation of nearly 4% Na + in its leaves. X-ray microanalyses showed that apoplastic rather than vacuolar salt accumulation was the primary strategy to protect the cytosol against Na + toxicity. The ability to cope with salinity was also associated with the maintenance of cytosolic K + concentrations. Salt exposure induced development of leaf succulence due to an increase in cell number and cell volume, thus contributing to Na + resistance by dilution the salt concentration.
Author: Helmut Lieth
Publisher: Springer Science & Business Media
ISBN: 9781402012020
Category : Science
Languages : en
Pages : 284
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Book Description
This volume follows up a seminal meeting, presenting reports on progress made with recommendations made there. The text reports on the development of pilot projects and on the organization of an international organization. All this will serve as the foundation for future efforts to develop the common utilisation of cash crop halophytes.
Author: National Research Council Canada
Publisher: NRC Research Press
ISBN: 9780660165066
Category : Nature
Languages : en
Pages : 560
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Book Description
"Poplar is increasingly recognized as an excellent model tree for the study of tree growth and its underlying physiology and genetics. By studying trees of the genus Populus (poplars, cottonwoods, aspens), which in their native ecosystems play a major role in the re-colonization of sites after disturbances, new insights have been gained into plantation culture and the development of improved cultivars. Of the 20 chapters in this publication, editored by an international group of researchers, one section deals with systematics, genetics, genetic manipulation and biotic interactions of Populus, while the other deals with stress response and the physiology of growth and productivity" --
Author: Jud G. Isebrands
Publisher: CABI
ISBN: 1780641087
Category : Technology & Engineering
Languages : en
Pages : 700
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Book Description
Poplars and willows form an important component of forestry and agricultural systems, providing a wide range of wood and non-wood products. This book synthesizes research on poplars and willows, providing a practical worldwide overview and guide to their basic characteristics, cultivation and use, issues, problems and trends. Prominence is given to environmental benefits and the importance of poplar and willow cultivation in meeting the needs of people and communities, sustainable livelihoods, land use and development.
Author: Lukas Schreiber
Publisher: Springer Science & Business Media
ISBN: 3540689451
Category : Science
Languages : en
Pages : 306
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Book Description
Transport properties of plant cuticles are important for different ?elds of modern plant sciences. Ecologists and physiologists are interested in water losses to the environment via the cuticle. Penetration of plant protecting agents and nutrients into leaves and fruits is relevant for research in agriculture and plant protection. Ecotoxicologists need to know the amounts of environmental xenobiotics which accumulate in leaves and other primary plant organs from the environment. For all of these studies suitable methods should be used, and a sound theoretical basis helps to formulate testable hypotheses and to interpret experimental data. Unnecessary experiments and experiments which yield ambiguous results can be avoided. In this monograph, we have analysed on a molecular basis the movement of molecules across plant cuticles. Based on current knowledge of chemistry and str- ture of cuticles, we have characterised the aqueous and lipophilic pathways, the nature and mechanisms of mass transport and the factors controlling the rate of movement. We have focused on structure–property relationships for penetrant tra- port, which can explain why water and solute permeabilities of cuticles differ widely among plant species. Based on this knowledge, mechanisms of adaptation to en- ronmental factors can be better understood, and rates of cuticular penetration can be optimised by plant physiologists and pesticide chemists.
Author: Gwenda L. Davis
Publisher:
ISBN:
Category : Angiosperms
Languages : en
Pages : 552
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Book Description
Author: Parvaiz Ahmad
Publisher: Springer Science & Business Media
ISBN: 1461461081
Category : Science
Languages : en
Pages : 518
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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.
Author: Jen-Tsung Chen
Publisher: MDPI
ISBN: 3036513809
Category : Science
Languages : en
Pages : 286
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Book Description
This book presents the advances in plant salinity stress and tolerance, including mechanistic insights revealed using powerful molecular tools and multi-omics and gene functions studied by genetic engineering and advanced biotechnological methods. Additionally, the use of plant growth-promoting rhizobacteria in the improvement of plant salinity tolerance and the underlying mechanisms and progress in breeding for salinity-tolerant rice are comprehensively discussed. Clearly, the published data have contributed to the significant progress in expanding our knowledge in the field of plant salinity stress and the results are valuable in developing salinity-stress-tolerant crops; in benefiting their quality and productivity; and eventually, in supporting the sustainability of the world food supply.
