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Low temperature represents, together with drought and salt stress, one of the most important environmental constraints limiting the pro ductivity and the distribution of plants on the Earth. Winter survival, in particular, is a highly complex phenomenon, with regards to both stress factors and stress responses. The danger from winter cold is the result not only of its primary effect, i. e. the formation of ice in plant tissues; additional threats are presented by the freezing of water in and on the ground and by the load and duration ofthe snow cover. In recent years, a number of books and reviews on the subject of chilling and frost resistance in plants have appeared: all of these publications, however, concentrate principally on the mechanisms of injury and resistance to freezing at the cellular or molecular level. We are convinced that analysis of the ultrastructural and biochemical alterations in the cell and particularly in the plasma membrane during freezing is the key to understanding the limits of frost resistance and the mechanisms of cold acclimation. This is undoubtedly the immediate task facing those of us engaged in resistance research. It is nevertheless our opinion that, in addition to understanding the basic physiological events, we should be careful not to overlook the importance of the comparative aspects of the freezing processes, the components of stress avoidance and tolerance and the specific levels of resistance.
An analysis of the ultrastructural and biochemical alterations in the cell and plasma membrane during the freezing of plants. Organized to include both the cellular and the comparative aspects of freezing stress and plant survival, the book covers ecophysiological research from the biochemical to the ecological viewpoint.
Conifer Cold Hardiness provides an up-to-date synthesis by leading scientists in the study of the major physiological and environmental factors regulating cold hardiness of conifer tree species. This state-of-the-art reference comprehensively explains current understanding of conifer cold hardiness ranging from the gene to the globe and from the highly applied to the very basic. Topics addressed encompass cold hardiness from the perspectives of ecology, ecophysiology, acclimation and deacclimation, seedling production and reforestation, the impacts of biotic and abiotic factors, and methods for studying and analyzing cold hardiness. The content is relevant to geneticists, ecologists, stress physiologists, environmental and global change scientists, pathologists, advanced nursery and silvicultural practitioners, and graduate students involved in plant biology, plant physiology, horticulture and forestry with an interest in cold hardiness.
The economic costs of frosts in agriculture and horticulture in many parts of the world can be very significant. Reports in the media include accounts on how frosts have devastated coffee crops in Brazil or in Papua New Guinea, and how frosts have seriously damaged the Florida citrus industry. Frost may cause losses in current harvests or a decline in future yields through more permanent damage to trees and bushes. Damaging frosts may occur as infrequent, short-term events with sub-zero temperatures or with unusually severe winter temperatures which extend over long periods. In this book we have aimed at providing a comprehensive review of recent advances in the area of frost research. The stimulus for writing this book has come from the recognition that there is a shortage of recent texts which deal exclusively with the bioclimatology of frost. Bioclimatology deals with the relations between climate and life and the present text is particularly concerned with the effects of low temperatures on plants. Our purpose has been to assist researchers, engineers, extension officers and students in understanding the physical aspects of frost occurrence and frost distribution as well as the biological and phenological aspects of frost damage and to provide an overview of direct and indirect methods of frost pro tection and prevention.
Representing the latest knowledge of the ecology and the physiology of cold-adapted microorganisms, plants and animals, this book explains the mechanisms of cold-adaptation on the enzymatic and molecular level, including results from the first crystal structures of enzymes of cold-adapted organisms.
Presenting the latest research on the effects of cold and sub-zero temperatures on plant distribution, growth and yield, this comprehensive volume contains 28 chapters by international experts covering basic molecular science to broad ecological studies on the impact of global warming, and an industry perspective on transgenic approaches to abiotic stress tolerance. With a focus on integrating molecular studies in the laboratory with field research and physiological studies of whole plants in their natural environments, this book covers plant physiology, production, development, agronomy, ecology, breeding and genetics, and their applications in agriculture and horticulture.
Advances in Plant Cold Hardiness provides a detailed, up-to-date discussion of plant cold hardiness research. The molecular mechanisms of plant cold hardiness development, a subject not covered in any other low temperature stress book, is examined in depth. Other major topics addressed include the freezing tolerance and injury of plant tissues in vivo and in vitro, in addition to how research findings impact agricultural applications. The articles featured in Advances in Plant Cold Hardiness were presented as key papers at the 4th International Plant Cold Hardiness Seminar held at the Swedish University of Agricultural Sciences in Uppsala in July, 1991. The book will appeal to all researchers, students, and instructors in plant biology, agriculture, and forestry.
This volume is compiled based on the proceedings of the 5th International Plant Cold Hardiness Seminar, which was held at Oregon State University, Corvallis, Oregon, USA, August 5 to 8, 1996. Participants representing 16 nations and 22 U. S. states attended the seminar. Researchers came from major laboratories around the world involving plant cold hardiness research. The information compiled in this volume represents the state-of the-art research and our understanding of plant cold hardiness in terms of molecular biol ogy, biochemistry, and physiology. The 1996 International Plant Cold Hardiness Seminar was the fifth of the series; it was first held in 1977 at the University of Minnesota, St. Paul, MN, and since then has met every 5 years. The overall goal of this seminar series is to foster the exchange of ideas and research findings among the diverse groups of scientists studying freezing and chilling stresses from a wide variety of perspectives. This is the only international conference focus ing its programs entirely on low temperature stress in plants. In accordance with the tradi tion, the fifth conference focused on freezing and chilling stress of plants and covered various aspects of plant cold hardiness, including molecular genetics, biochemistry, physi ology, and agricultural applications. All contributors to this volume are eminent researchers who have had significant contributions to the knowledge of plant cold hardiness.
This textbook covers Plant Ecology from the molecular to the global level. It covers the following areas in unprecedented breadth and depth: - Molecular ecophysiology (stress physiology: light, temperature, oxygen deficiency, drought, salt, heavy metals, xenobiotica and biotic stress factors) - Autecology (whole plant ecology: thermal balance, water, nutrient, carbon relations) - Ecosystem ecology (plants as part of ecosystems, element cycles, biodiversity) - Synecology (development of vegetation in time and space, interactions between vegetation and the abiotic and biotic environment) - Global aspects of plant ecology (global change, global biogeochemical cycles, land use, international conventions, socio-economic interactions) The book is carefully structured and well written: complex issues are elegantly presented and easily understandable. It contains more than 500 photographs and drawings, mostly in colour, illustrating the fascinating subject. The book is primarily aimed at graduate students of biology but will also be of interest to post-graduate students and researchers in botany, geosciences and landscape ecology. Further, it provides a sound basis for those dealing with agriculture, forestry, land use, and landscape management.
Major parts of the oceans and lands of our planet are permanently, or temporarily, exposed to temperatures below 10 C. Microorganisms, plants and animals living under these conditions have adapted to their environments in such a way that metabolic processes, reproduction and survival strategies are optimal for their natural biotopes. This book presents the most recent knowledge of the ecology and the physiology of cold-adapted microorganisms, plants and animals, and explains the mechanisms of cold-adaptation on the enzymatic and molecular level, including results from the first crystal structures of enzymes of cold-adapted organisms.