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Books > Science & Mathematics > Biology, life sciences > Botany & plant sciences > Plant physiology > General
Originating in South America, cassava is grown in over 100 countries around the world. It is the third most important source of calories in the tropics after rice and maize. Its caloric value, as well as its ability to tolerate dry conditions and poor soils, makes it a key food security crop in developing countries. As demand for food grows, there is an urgent need to increase yields in the face of such challenges as climate change, threats from pests and diseases and the need to make cultivation more resource-efficient and sustainable. Drawing on an international range of expertise, this collection focuses on ways of improving the cultivation of cassava at each step in the value chain, from breeding to post-harvest storage. Volume 2 starts by reviewing genetic resources, advances in breeding and their application to produce varieties with desirable traits such as higher yield. It then goes on to review developments in understanding and managing pests and diseases. Achieving sustainable cultivation of cassava Volume 2: Genetic resources, breeding, pests and diseases will be a standard reference for agricultural scientists in universities, government and other research centres and companies involved in improving cassava cultivation. It is accompanied by Volume 1 which reviews cultivation techniques.
"These books present a comprehensive coverage of issues facing wheat production globally. The authors represent the top scientists involved in the diverse areas that are important for sustainable wheat production and will this book provides an excellent resource for those interested in wheat improvement and production." Dr Hans-Joachim Braun, Director Global Wheat Program and CRP Wheat, International Maize and Wheat Improvement Center (CIMMYT), Mexico Wheat is the most widely cultivated cereal in the world and a staple food for around 3 billion people. It has been estimated that demand for wheat could increase by up to 60% by 2050. There is an urgent need to increase yields in the face of such challenges as climate change, threats from pests and diseases and the need to make cultivation more resource-efficient and sustainable. Drawing on an international range of expertise, this collection focuses on ways of improving the cultivation of wheat at each step in the value chain, from breeding to post-harvest storage. Volume 1 reviews research in wheat breeding and quality traits as well as diseases and pests and their management. Chapters in Part 1 review advances in understanding of wheat physiology and genetics and how this has informed developments in breeding, including developing varieties with desirable traits such as drought tolerance. Part 2 discusses aspects of nutritional and processing quality. Chapters in Part 3 cover research on key wheat diseases and their control as well as the management of insect pests and weeds. Achieving sustainable cultivation of wheat Volume 1: Breeding, quality traits, pests and diseases will be a standard reference for cereal scientists in universities, government and other research centres and companies involved in wheat cultivation. It is accompanied by Volume 2 which reviews improvements in cultivation techniques.
Iron is a major constituent of the earth crust. However, under alkaline conditions commonly found in arid and semi-arid environments iron becomes unavailable to plants. When plants are affected by a shortage of iron their leaves become yellow (chlorotic), and both plant growth and crop yield are reduced. The roots of plants affected by iron deficiency may develop a series of responses directed to improve iron uptake, such as increased proton excretion and iron reduction capabilities or excretion of iron chela tors called siderophores. Iron deficiency affects major crops worldwide, including some of major economic importance such as fruit trees and others. Correction of iron deficiency is usually implemented through costly application of synthetic chelates. Since these correction methods are very expensive, the competitivity of farmers is often reduced and iron deficiency may become a limiting factor for the maintenance, introduction or expansion of some crops. In spite of the many years devoted to the study of iron deficiency, the knowledge of iron deficiency in soils and plants is still fragmentary in many aspects. We have only incomplete information on the processes at the molecular level that make some plant species and cultivars unable to take and utilize iron from the soil, whereas other plants grow satisfactorily under the same conditions.
Diversity within and among living organisms is both a biological impera tive and a biological conundrum. Phenotypic and genotypic diversity is the critical currency ofecological interactions and the evolution of life. Thus, it is not unexpected to find vast phytochemical diversity among plants. However, among the most compelling questions which arise among those interested in ecological phytochemistry is the extent, nature, and reasons for the diversity of chemieals in plants. The idea that natural products (secondary metabolites) are accidents of metabolism and have no biological function is an old one which has resurfaced recently under a new term "redundancy. " Redundancy in the broader sense can be viewed as duplication of effort. The co-occurrence of several classes of phytochemieals in a given plant may be redundancy. Is there unnecessary duplication of chemical defense systems and ifso, why? What selective forces have produced this result? On the other hand, why does the same compound often have multiple functions? At a symposium of the Phytochemical Society of North America held in August 1995, in Sault Ste. Marie, Ontario, Canada, the topic "Phytochernical Redundancy in Ecological Interactions" was discussed. The chapters in this volume are based on that symposium. They both stimulate thought and provide some working hypotheses for future research. It is being increasingly recognized that functional diversity and multiplicity of function of natural products is the norm rather than the exception."
Rice is one of the most important foods in the world. As the demand for rice continues to increase, there is an urgent need to increase yields in the face of such challenges as climate change, threats from pests and diseases and the need to make cultivation more resource-efficient and sustainable. Drawing on an international range of expertise, this collection focuses on ways of improving the cultivation of rice at each step in the value chain, from breeding to post-harvest storage. Volume 1 reviews research in physiology and breeding and its application to produce varieties with improved traits such as higher yields. It then goes on to discuss nutritional and other aspects of rice quality and the ways these can be enhanced. Achieving sustainable cultivation of rice Volume 1: Breeding for higher quality and yield will be a standard reference for rice scientists in universities, government and other research centres and companies involved in rice cultivation. It is accompanied by Volume 2 which reviews improvements in cultivation techniques, pest and disease management.
With the demonstration of the "triple response" in plants by Neljubow at the turn of the century, ethylene has been identified as a substance specifically affecting plant growth. Yet it took a few more decades to show that ethylene is a naturally occurring product of plants having all the characteristics of a phytohormone. Ever since much effort has been devoted to a wide variety of physiological and biochemical problems relevant to ethylene. A first meeting was organized in Israel in 1984 to bring together many people active in this rapidly expanding field of experimental research. It is the aim of the present symposium to provide once more a forum at which researchers might expose and comment progress in their work over the last few years. Speakers were invi ted and their contri buti ons ordered ina number of sessions, each of which was centered on a particular topiC. Much of the benefit came from ensuing discussion sessions which were conducted with much competence and expertise by Anderson, Ben-Arie, Goren, Morgan and Osborne. All of these colleagues are recognized leaders in ethylene research today and the organizers owe a very special gratitude to them for their substantial contribution to the programme. It is well to remember the friendly atmosphere, so essential to the success of the whole meeting and so much enjoyed by every partiCipant. Prompt publi ca tion of the papers was made possi ble by the camera-ready procedure offered by the publisher.
During recent years, research has greatly expanded our understanding of the sophisticated molecular network of responses which enable plants to develop, survive and propagate under a wide range of conditions. In Plant Signal Transduction: Methods and Protocols, an international panel of experts provide well-established methods vital to analyzing plant signal transduction on the molecular level. Featuring experimental procedures on several of the most popular model organisms, the volume focuses on in planta analyses and the proteins involved in signal transduction in order to aid with the establishment of laboratory techniques or the modification of the protocols for other plants. As part of the highly successful Methods in Molecular Biology series, the chapters include brief introductions to the subject, lists of necessary materials, readily reproducible laboratory protocols, and tips on trouble-shooting and avoiding known pitfalls. Comprehensive and cutting-edge, Plant Signal Transduction: Methods and Protocols will benefit plant scientists wishing to improve their experimental approaches and delve further into this exciting and important field of study"
This book includes papers from keynote lecture and oral presentations of Plant and Microbe Adaptations to Cold (PMAC) 2012, an international conference on winter hardiness of crop and pathogenic microbes. The PMAC has been started in 1997 in Japan as an interdisciplinary forum for scientists and extension people working in the field in plant pathology, plant physiology, microbiology, and crop breeding to increase our knowledge and improve our understanding of overwintering of crops, forages and grasses and solve the problems associated with losses due to freezing and heavy snow cover. Successive meetings have been held in Iceland (2000), Canada (2003), Italy (2006), and Norway (2009). PMAC2012 will be a special meeting with a focus on global climate change, food security and agriculture sustainability and the whole program will be arranged to reflect this theme. The topics covered by this proceedings includes, global warming in agricultural environment, plant adaptations to cold, microbial adaptations to cold, plant-microbe interaction under cold, and molecular breeding for winter hardiness. The researches range from molecular biology to ecology and breeding. Experts in the field will report cutting edge research and thoughtful strategies for sustainability.
The first edition of this book was the first to provide an integrated description of sap ascension from an anatomical and functional point of view. The second edition opens with the three-dimensional aspects of wood anatomy. The cohesion-tension theory and new evidence are introduced in response to recent controversies over the mechanism of sap ascent in plants. The physiology, anatomy and biophysics of xylem dysfunction are discussed and new insights into hydraulic architecture are reviewed with special emphasis on physiological limits on maximum transpiration and how hydraulic architecture limits gas exchange, carbon gain and growth of plants. The text concludes with a description of xylem failure and pathology. The book highlights fascinating areas of current research with the aim to stimulate more work in the future.
Human activity is producing changes to our environment on an unprecedented global scale. Learning and understanding how plants respond to these changes will be crucial to our ability to feed human populations in the future. This book gives a broad coverage of the ways in which plants respond and adjust to environmental variables, and identifies unifying concepts spanning different levels of plant organization from the subcellular to the whole natural plant community. The 18 chapters were given as invited contributions at a meeting sponsored by the Rank Prize Funds in October 1992. The book will be of great interest and use to all plant scientists and upper level students concerned with the impact of the environment on plants.
Science is essentially a descriptive and experimental device. It observes nature, constructs hypotheses, plans experiments and proposes theories. The theory is never contemplated as the 'final truth', but remains ever subject to modifications, changes and rejections. The science of allelopathy in a similar way has emerged, and exists on a similar footing; our endeavour should be to keep it fresh and innovative with addition of newer in formation and concepts with the rejection of older ideas and antiquated techniques. During the past few decades encouraging results have been obtained in various aspects of allelopathic researches. However, in addition to continuing efforts in all these directions, constant attempts are to be made to describe the mechanics of allelopathic activity in molecular terms and to discover ways and means to exploit it for the welfare of mankind. We feel that multidisciplinary efforts are the only tool to achieve this goal. It is the hope of the editors that this book will serve as a document which identifies an integrated approach, through which research both to understand and exploit allelopathy can be conducted. The present volume arose out of an attempt to bring together eminent scientists in allelopathy to describe their work, of a highly diverse nature, under one title."
The threat of climate displacement looms large over a growing number of countries. Based on the more than six years of work by Displacement Solutions in ten climate-affected countries, academic work on displacement and climate adaptation, and the country-level efforts of civil society groups in several frontline countries, this report explores the key contention that land will be at the core of any major strategy aimed at preventing and resolving climate displacement. This innovative and timely volume coordinated and edited by the Founder of Displacement Solutions, Scott Leckie, examines a range of legal, policy and practical issues relating to the role of land in actively addressing the displacement consequences of climate change. It reveals the inevitable truth that climate displacement is already underway and being tackled in countries such as Bangladesh, Kiribati, Papua New Guinea, Solomon Islands, Tuvalu and the United States, and proposes a series of possible land solution tools that can be employed to protect the rights of people and communities everywhere should they be forced to flee the places they call home.
The chapters presented in Secondary Metabolism in Model Systems are
a microcosm of what the recent completion, or near completion, of
various genome projects are enabling biochemists to understand not
only about control and regulation of secondary metabolism, and how
various pathways relate to each other, but also about its relation
to primary metabolism. A major paradigm shift is occurring in the
way researchers need to view "secondary" metabolism in the
future.It is also clear that model systems, such as the ones
discussed in the symposium, are providing new information and
insight almost faster than researchers can process it . An excellent series volume covering the advances in
understanding of gene functions, a high profile area of research
due to recent genome projects
In the recent past, threats from climate change and unforeseeable environmental extremes to plant growth and productivity have consistently increased. The climate change-driven effects, especially from unpredictable environmental fluctuations, can result in an increased prevalence of abiotic and biotic stresses in plants. These stresses have slowed down the global yields of crop plants. On the other hand, food security for the rapidly growing human population in a sustainable ecosystem is a major concern of the present-day world. Thus, understanding the core developmental, physiological and molecular aspects that regulate plant growth and productivity in a challenging environment is a pivotal issue to be tackled by the scientific community dealing with sustainable agricultural and horticultural practices. Plants are influenced by the adverse environmental conditions at various levels, their different and diverse responses play a significant role in determining their growth, production and the overall geographical distribution. The chapters in this book focus on the biological mechanisms and fundamental principles that determine how different plant species grow, perform and interact with a challenging environment. This book covers a broad range of topics in plant science, including gene function, molecules, physiology, cell biology and plant ecology, to understand the functioning of plants under harsh environmental conditions. The book elucidates the physiological and molecular mechanisms in different plant species, ecophysiological interactions of plants, interplay between plant roots, arbuscular mycorrhizal fungi and plant growth-promoting rhizobacteria, biosensors for monitoring stress, production of secondary metabolites, stress alleviation processes, and more.
This book summarizes the experimental work conducted during a trans-disciplinary research program conducted for six years by the German Research Foundation. Each chapter includes introductory remarks written by internationally recognized scientists in their research areas. Contributiing authors representing outstanding German scientists from such different disciplines as Physics, Biochemistry, Plant Nutrition, Botany, and Molecular Biology not only report original research but also review the state of knowledge in their fields of research.
The majority of the world's people depend research work should be carried out at the local and regional level by locally trained on plants for their livelihood since they grow them for food, fuel, timber, fodder and people. many other uses. A good understanding Following the success of our earlier book of the practical factors which govern the (Techniques in Bioproductivity and Photo synthesis; Pergamon Press, 1985), which productivity of plants through the process of photosynthesis is therefore of paramount was translated into four major languages, importance, especially in the light of cur the editors and contributors have exten rent concern about global climate change sively revised the content and widened the and the response of both crops and natural scope of the text, . so it now bears a title ecosystems. in line with current concern over global The origins of this book lie in a series of climate change. . In particular, we have training courses sponsored by the United added chapters on remote sensing, con Nations Environment Programme (Project trolled-environment studies, chlorophyll No. FP/6108-88-0l (2855); 'Environment fluorescence, metabolite partitioning and changes and the productivity of tropical the use of mass isotopes, all of which grasslands'), with additional support from techniques are increasing in their applica many international and national agencies. tion and importance to this subject area."
which individuals are heterozygous (H). A review by Selander (1976] comparing these param eters in various populations has been followed by many other studies. In the present volume, J. B. Mitton has used H to evaluate the importance of heterozygosity in natural populations. The degree of polymorphism expressed by P, has been used in several contributions to approach various problems of population genetics. particularly breeding structure and mating systems by Hamrick, Barrett and Shore, Brown, Burdon and Jarosz. as well as Soltis and Soltis, and Wyatt. Stoneburner. and Odrzykoski. New knowledge derived from these investigations has strengthened a point of view already stressed by Darwin: evolution takes place in a complex environment, that can be constantly changing over long periods of time. or can alternate between long periods of relative stability and cycles of rapid change. The most successful plant species become adjusted to these vagaries in several ways, including shifts in heterozygosity. polymorphism and mating systems. The strength of isozyme ana ysis for testing hypotheses is well illustrated by the contribution of the Soltises, who have shown clearly that a previously held hypothesis, predicting self fertilization fortified by polyploid genetic segregations in ferns, must be rejected."
This work synthesizes research and practical work, including various techniques and applications of botany and nanoparticles, including enzymology, pharmaceuticals, phenolics, antioxidants, metal particles, synthesis of nanoparticles by plants and microbes, and more. The text discusses the latest research as well as key sources of information condensed from other scholars across the globe, providing a comprehensive resource for scholars working in nanobotany, as well as chemists and researchers in the pharmaceutical industry.
The book "Salicylic acid: A Plant Hormone" was first published in 1997 and was praised for its excellent balance of traditional and modern topics. This time, we're building on the success of the prior edition to provide an even more effective second edition. The present book is comprised of 16 chapters highlighting the updated mechanisms of its biosynthesis, physiological role, its action in response to water deficit, relationship of SA with signal transduction, transport of SA and related compounds. Further, the interplay between environmental signals and SA, its impact on transport and distribution of sugars, salicylic acid mediated stress-induced flowering and some aspects of interplay of SA with JA during the establishment of plant resistance to pathogens with different types of nutrition and participation of peroxidases have also been discussed at length. Potential use of SA in food production and its efficiency on post-harvest of perishable crops as well as practical use of SA are also covered. "
The threat of climate displacement looms large over a growing number of countries. Based on the more than six years of work by Displacement Solutions in ten climate-affected countries, academic work on displacement and climate adaptation, and the country-level efforts of civil society groups in several frontline countries, this report explores the key contention that land will be at the core of any major strategy aimed at preventing and resolving climate displacement. This innovative and timely volume coordinated and edited by the Founder of Displacement Solutions, Scott Leckie, examines a range of legal, policy and practical issues relating to the role of land in actively addressing the displacement consequences of climate change. It reveals the inevitable truth that climate displacement is already underway and being tackled in countries such as Bangladesh, Kiribati, Papua New Guinea, Solomon Islands, Tuvalu and the United States, and proposes a series of possible land solution tools that can be employed to protect the rights of people and communities everywhere should they be forced to flee the places they call home.
Plant-herbivore interactions are a central topic in evolutionary ecology. Historically, their study has been a cornerstone for coevolutionary theory. Starting from classic ecological studies at the phenotypic level, it has since expanded to molecular and genomic approaches. After a historical perspective, the book's subsequent chapters cover a wide range of topics: from populations to ecosystems; plant- and herbivore-focused studies; in natural and in man-modified ecosystems; and both micro- and macro-evolutionary levels. All chapters include valuable background information and empirical evidence. Given its scope, the book will be of interest to both students and researchers, and will hopefully stimulate further research in this exciting field of evolutionary biology.
This edited book covers all aspects of omics approaches used for the varietal improvement of millets in changing climatic conditions. Millets are the collection of small-grained cereal grasses, that are grown for human carbohydrate needs. They are among the oldest crops, mainly divided into two groups - Major and small millets based on seed size. Small millets are earlier considered orphan crops, but recently due to their nutritional values, they are getting importance in cultivation. This book explores the genomics, transcriptomics, proteomics, metabolomics, bioinformatics, and other omics tools that are being widely used to get a clear understanding of mechanistic approaches taken by plant genes to tolerate stress. Various reports are published based on field breeding on these crops, and recently the genome of some of the small millets is released, and many omics studies are published related to its application in varietal improvements. This book reviewed all those recent studies and is of interest to research students, plant breeding scientists, teachers that are working in agriculture and plant biotech universities. Along with this, the book serves as reference material for undergraduate and graduate students of agriculture, and biotechnology. National and international agricultural scientists, policymakers will also find this to be a useful read.
The Boron '97 meeting was a great success in summarising all recent developments in basic and applied research on boron's function, especially in plants. New techniques have since been developed and new insight has been gained into the role of boron in plant and animal metabolism. Nevertheless, there were still lots of open questions. The aim of the present workshop held in Bonn as a satellite meeting to the International Plant Nutrition Colloquium was thus to gather all actual information which has been gained since the Boron '97 meeting and to compile knowledge, both from animal and plant sciences. Furthermore, applied aspects had to be addressed too, as there is an increasing awareness of boron deficiencies even in crops such as wheat, which have formerly not been considered as responsive to boron application. Genetic differences in boron demand and efficiency within one species are a further important topic which has gained importance since the 1997 meeting. More in-depth knowledge on the mechanisms of boron efficiency are required as an increased efficiency will be one major possibility to maintain and improve crop yields for resource-poor farmers. Nevertheless, it has also clearly been shown that an adequate supply of boron is needed to obtain high yields of crops with a high quality, and that a sustainable agriculture has to provide an adequate boron supply to compensate for inevitable losses through leaching (especially in the humid tropics and temperate regions) and for the boron removal by the crop.
This book presents a study of meaning relations, linking the philosophical tradition of conceptual analysis with recent theories and methodologies in cognitive semantics. Its main concern is the extent to which analyzing meaning relations between cognate words reveal the infrastructure of the actual and mental lexicon, assuming that language mirrors thought. Sovran aims to elucidate their infrastructure and the metaphorical and perceptual models that constitute abstract concepts, dealing finally with the role of abstraction in poetic metaphors. Overall, this volume addresses major contemporary issues in the philosophy of language and theoretical semantics.
As this book will demonstrate, there have been numerousdevelopments in the instrumentation and approaches for use ofchlorophyll fluorescence as a probe to plant adaptation to anenvironment or as an indicator of the level of stress. The advantageof chlorophyll fluorescence over many other techniques is that itprovides rapid and nondestructive measures. The first two chapters ofthis book are devoted to provide a clear, understandable explanationof the theoretical basis for chlorophyll fluorescence analysis. Thedefinitions and terminology that are specific to chlorophyllfluorescence analysis are included in this discussion, which leads tothe bridging of chlorophyll fluorescence analysis to plant tissuecondition status. Subsequent chapters focus on the monitoring ofstress in the natural terrestrial and aquatic environments, assessingseedling quality in forestry, and postharvest quality in fruits andvegetables. A final chapter is devoted to a newly emerging use for thetechnique in plant breeding programs. It is the hope of the editorsand authors that readers who have not used this technique will beencouraged to explore the possibilities in their area of study. Forthose who have used the technique previously, we hope that this bookwill offer some new insights, which may encourage development and/orrefinement of approaches. Ultimately, we hope that the contents ofthis work will contribute in some manner to advances in theunderstanding of plant-environment interactions and hence toimprovements in the environmental quality, as well as in forestry andagri-food industries. |
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