This book is based on papers presented at the Second International Symposium on Bacterial and Bacteria-like Contaminants of Plant Tissue Cultures held at University College, Cork, Ireland in September 1996, with additional invited papers. Since the first symposium (published as Acta Horticulturae 225, 1988), there have been considerable advances in both plant disease diagnostics and in the development of structured approaches to the management of disease and microbial contamination in micropropagation. These approaches have centered on attempts to separate, spatially, the problems of vertical disease transmission, via infected explants to progeny microplants, from laboratory contamination. Disease control is best achieved by establishing pathogen-free cultures, while laboratory contamination management is based on subsequent good working practice. Control of losses due to pathogens and microbial contamination in vitro addresses, arguably, the most important causes of losses in the industry; nevertheless, losses at and post establishment can also be considerable due to poor quality micro-propagules. In this book, a holistic approach to pathogen and microbial contamination control is evident with the recognition that micropropagators must address pathogen and microbial contamination in vitro, and diseases and microplant failure at establishment. There is increasing interest in establishing beneficial bacterial and mycorrhizal association with microplants in vitro and in vivo. The contents are divided into sections. In each section there are papers that update contributions offered at the first symposium; for example, major advances have been made in microbial taxonomy and diagnosticsbased on advances in DNA-based techniques. Consolidation has occurred in therapy and laboratory contamination management. Novel, and arguably speculative, in vitro contamination control based on autotrophic culture is described; and disease control at establishment using bacterial and mycorrhizal inoculants is discussed.

An extraordinary compendium of information on herbal medicine, Medicinal Plants of the World, Volume 2 comprehensively documents the medicinal value of twenty-four major plants species widely used around the world in medical formulations. The book's exhaustive summary of available scientific data for the plants provides detailed information on how each plant is used in different countries, describing both traditional therapeutic applications and what is known from its use in clinical trials. A comprehensive bibliography of over 3000 references cites the literature available from a wide range of disciplines. This book offers an unprecedented collection of vital scientific information for pharmacologists, herbal medicine practitioners, drug developers, medicinal chemists, phytochemists, toxicologists, and researchers who want to explore the use of plant materials for medicinal and related purposes.

The 21st century has seen the beginnings of a great restoration effort towards the worlda (TM)s forests, accompanied by the emergence of an increasing literature on reforestation, regeneration and regrowth of forest cover. Yet to date, there is no volume which synthesises current knowledge on the extent, trends, patterns and drivers of reforestation.

This edited volume draws together research from leading researchers to explore reforestation and forest regrowth across the world, from multiple dimensions a " including ecosystem services, protected areas, social institutions, economic transitions, remediation of environmental problems, conservation and land abandonment a " and at different scales.

Detailing the methods and analyses used from across a wide range of disciplines, and incorporating research from North, South and Central America, Africa, Asia and Europe, this groundbreaking book provides a global overview of current trends, explores their underlying causes and proposes future forest trajectories. The first of its kind, the book will provide an invaluable reference for researchers and students involved in interdisciplinary research and working on issues relevant to the biophysical, geographic, socioeconomic and institutional processes associated with reforestation.

The rapid growth of the discipline of aquatic ecology has been driven both by scientific interest in the complexities of aquatic ecosystems and by their enormous environmental importance and sensitivity. This book focuses on the remarkably diverse roles played by underwater plants, and is divided into three parts: 10 thematic chapters, followed by 18 case studies, and rounded off by three integrative chapters. The topics range from macrophytes as fish food to macrophytes as mollusc and microbe habitat, making this of interest to aquatic ecologists as well as limnologists, ecosystem ecologists, microbial ecologists, fish biologists, and environmental managers.

The major objective of this book is to highlight the significance of phytonematodes in horticulture. Detailed and latest information on major aspects of phytonematodes associated exclusively with horticultural crops, which is the need of the day, is lacking. Hence, the book has been written mainly with the objective of providing its readers, comprehensive information on the advanced aspects related to phytonematodes associated with horticultural crops. It also provides basic information on plant parasitic nematodes since it is required for a better understanding of advanced topics. Several popular topics, information on which is already available in plenty, have been avoided. Thus, book explicates both the essential fundamental and advanced aspects pertaining to nematodes associated with horticultural crops. The book is conveniently divided into 13 chapters, which cover latest information on the major fundamental and advanced aspects related to phytonematodes including the role of phytonematodes in horticultural industry, phylogenetic and evolutionary concepts in nematodes, major phytonematodes associated with horticultural crops and their diagnostic keys, symptoms caused by phytonematodes and disease diagnosis, nematode population threshold levels, crop loss assessment, nematode diseases of horticultural crops and their management, nematode disease complexes, genetics of nematode parasitism, important nematological techniques and nematodes of quarantine importance. An exclusive chapter on novel methods of nematode management has been included mainly to provide the information on the latest molecules and novel modes of managing nematodes attacking horticultural crops. Routine nematode management aspects, information on which is already available, have not been discussed; instead, this topic reflects the changing scenario of future nematode management. Hence, this book can serve as a friendly guide to meet the requirements of the students, teachers and researchers interested in these 'hidden enemies' of the grower, apart from the research and extension personnel working under Public organizations, officials of State departments of Horticulture, Forestry, field workers and all those concerned and working with plant parasitic nematodes. Appropriate diagrams, convincing tables and suitable graphs/illustrations have been furnished at right places. A complete bibliography has also been included.

Ecological biochemistry concerns the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores. The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action.
The ability to isolate trace amounts of a substance from plant tissues has led to a wealth of new research, and the fourth edition of this well-known text has consequently been extensively revised. New sections have been provided on the cost of chemical defence and on the release of predator-attracting volatiles from plants. New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory.
Advanced level students and research workers aloke will find much of value in this comprehensive text, written by an acknowledged expert on this fascinating subject.
* The book covers the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores.
* The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action
* New sections have been added on the cost of chemical defence and on the release of predators attracting volatiles from plants
* New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory.

Increased atmospheric nitrogen deposition and changes in the management of heathlands have caused a significant change in the species composition of the NW-European heathlands. This change from ericaceous towards gramineous dominance is analysed in detail in Heathlands: Patterns and Processes in a Changing Environment. Special emphasis is put on the effects of increased atmospheric nutrient input on nutrient cycling, competition between plant species and plant--herbivore interactions. The possibilities for the long-term conservation of heathlands are discussed by considering regeneration from seed and the usefulness of mathematical management models. The book provides a synthesis of pure and applied plant ecology. It is vital reading for plant ecologists, biological conservationists, heathland managers and government decision makers.

-- For backyard gardeners or serious naturalists
-- A complete source for information about which plants grow best in nearshore environments
-- Characteristics of each plant, including form, flower and fruit date, geographic distribution, habitat, reproduction, and propagation
-- Ornamental, medicinal, toxic, physical, edible, and ecological aspects of each plant, covering modern uses and folkloric beliefs

The aim of this book is to elucidate the role of forests as part of a landscape in the life of people. Most landscapes today are cultural landscapes that are influenced by human activity and that in turn have a profound effect on our understanding of and identification with a place. The book proposes that a better understanding of the bond between people and forests as integrated part of a landscape may be helpful in landscape planning, and may contribute to the discussion of changes in forest cover which has been motivated by land use changes, rural development and the global climate debate. To this end, people's perception of forest landscapes, the reasons for different perceptions, and future perspectives are discussed. Given the wide range of forest landscapes, and cultural perspectives which exist across the world, the book focuses on Europe as a test case to explore the various relationships between society, culture, forests and landscapes. It looks at historical evidence of the impacts of people on forests and vice versa, explores the current factors affecting people's physical and emotional comfort in forest landscapes, and looks ahead to how changes in forest cover may alter the present relationships of people to forests. Drawing together a diverse literature and combining the expertise of natural and social scientists, this book will form a valuable reference for students and researchers working in the fields of landscape ecology and landscape architecture, geography, social science, environmental psychology or environmental history. It will also be of interest to researchers, government agencies and practitioners with an interest in issues such as sustainable forest management, sustainable tourism, reserve management, urban planning and environmental interpretation.

This timely reference provides an in-depth and up-to-date study of the most important groups of plant secondary compounds. No other work features such detailed diagrams of the biosynthetic pathways leading to the most important groups of secondary metabolites, as well as the structures of major types of compounds, their distribution in various taxonomic groupings of plants, and the evolutionary and ecological roles of these compounds. Plant Secondary Metabolism presents a basic understanding of the origin of the compounds, the nature of the precursors involved, and the basic reactions, mechanisms, and stereochemistry. The origin of groups of secondary metabolites is linked to evolutionary principles, and their biological activity is viewed in a context of chemical ecology. Topics are treated comprehensively, enabling the reader to understand not only a particular group of compounds, but also how each group fits into the whole. In addition, the text allows readers to systematically survey various secondary metabolites and gain a quick working knowledge which can be applied to problems in a particular field. Those researchers and students who will be most intrigued by this publication's broad overview on plant secondary metabolites come from a diverse range of disciplines, including agronomy, anthropology, biochemistry, biology, botany, chemistry, ecology, entomology, food science, forestry, geology, horticulture, pharmacognosy, plant biology, plant sciences, toxicology, and zoology.

The first volume of the Integrated Management of Plant Pests and Diseases book series presents general concepts on integrated pest and disease management, organized in three sections. Section one (modeling, management, environment) includes chapters on infection models, resurgence and replacement, plant disease epidemiology and effects of climate change in tropical environments. Followed by two reviews on IPM in post-harvest and carrot crops. The second section (emerging technologies) includes remote sensing and information technology, integrated by reviews on Bacillus thuringiensis and the role of mycorrhizae in IPM. In the third section (molecular aspects) the management of insect-borne viruses with transmission interference, some novel products for biological control and advances in molecular detection, are discussed.

Plant Cell Morphogenesis: Methods and Protocols provides a collection of experimental techniques used in current research on the cellular aspects of plant morphogenesis. Methods and techniques include contemporary takes on classical light microscopy and histochemistry through automated microscopy applications, use of advanced optical tools, quantitative image analysis, study of cellular dynamics of apical meristems, specialized electron microscopy techniques, and methods used to study specific model plant cell types and protocols for using heterologous expression in yeast to study cell morphogenesis genes. Individual chapters in the highly successful Methods in Molecular Biology series format are written by expert researchers in the field and include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step laboratory protocols, and key tips on troubleshooting and avoiding known pitfalls.

Natural and agro-ecosystems are frequently exposed to natural or synthetic substances, which, while they have no direct nutritional value or significance in metabolism, may negatively affect plant functioning. These, xenobiotics, may originate from both natural (fires, volcano eruptions, soil or rock erosion, biodegradation) and anthropogenic (air and soil pollution, herbicides) sources. And, while affected plants have only a limited number of possibilities for avoiding accumulation of these compounds, they do exhibit several enzymatic reactions for detoxification including oxidation, reduction, hydrolysis and conjugation reactions. In agro-ecosystems in particular these mechanisms have great significance in relation to herbicide detoxification and tolerance. In this volume an international group of experts present an overview of the nature and distribution of organic xenobiotics, including their uptake, effects on plant functioning and detoxification mechanisms. The particular significance of glutathione S-transferases in bio-indication and bio-monitoring, and in the detoxification of volatile organic air pollutants and herbicides is evaluated, and their potential significance in phytoremediation and bioaccumulation will be discussed. This volume will be of interest to a wide audience, from graduate students to senior researchers in a wide range of disciplines including plant ecology, plant biochemistry, agriculture and environmental management. It will also be of practical interest to environmentalists, policy makers and resource managers.

This textbook presents the concepts and processes involved in the soil-plant-atmosphere system as well as its applications in the water cycle in agriculture. Although reaching the frontier of our knowledge in several subjects, each chapter starts at the graduation level and proceeds to the post-doctoral level. Its more complicated subjects, as math and physics, are well explained, even to readers not well acquainted with these tools. Therefore, it helps students read, understand, and developing their thoughts on these subjects. Instructors also find it an easy book with the needed depth to be adopted in courses related to Soil Physics, Agricultural Management, Environmental Protection, Irrigation and Agrometeorology. It serves also as "lexicon" to engineers and lawyers involved in agricultural, environmental cases.

Regional intercomparisons between ecosystems on different continents can be a powerful tool to better understand the ways in which ecosystems respond to global change. Large areas are often needed to characterize the causal mechanisms governing interactions between ecozones and their environments. Factors such as weather and climate patterns, land-ocean and land-atmosphere interactions all play important roles. As a result of the strong physical north-south symmetry between the western coasts of North and South America, the similarities in climate, coastal oceanography and physiography between these two regions have been extensively documented. High Latitude Rain Forests and Associated Ecosystems of the West Coast of the Americas presents current research on West Coast forest and river ecology, and compares ecosystems of the Pacific Northwest with those of South America.

27 chapters cover the distribution, economic importance, conventional propagation, micropropagation, tissue culture studies, and in vitro production of important medicinal and other pharmaceutical compounds in various species of Anchusa, Brucea, Catharanthus, Chrysanthemum, Coleus, Corydalis, Coreopsis, Emilia, Ginkgo, Gloriosa, Hypericum, Inonotus, Leucosceptrum, Lilium, Linum, Mosses, Nandina, Penstemon, Prunus, Pteridium, Quassia, Ribes, Senecio, Taraxacum, Thermopsis, Vanilla, and Vitiveria. Like the previous five volumes on medicinal and aromatic plants (Volumes 4, 7, 15, 21, and 24), this book contains a wealth of useful information for advanced students and researchers in the field of plant biotechnology and chemical engineering, pharmacy, botany and tissue culture.

Traditional plant physiological ecology is organism centered and provides a useful framework for understanding the interactions between plants and their environment and for identifying characteristics likely to result in plant success in a particular habitat. This book focuses on extending concepts from plant physiological ecology as a basis for understanding carbon, energy, and biogeochemical cycles at ecosystem, regional, and global levels.
This will be a valuable resource for researchers and graduate students in ecology, plant ecophysiology, ecosystem research, biometerology, earth system science, and remote sensing.
Key Features
* The integration of metabolic activities across spatial scales, from leaf to ecosystem
* Global constraints and regional processes
* Functional units in ecological scaling
* Models and technologies for scaling

Annual desert plant species of unrelated taxa in the Negev Desert of Israel have developed complementary sets of adaptations and survival strategies as ecological equivalents with physiological, morphological and anatomical resemblances, in the various stages of their life cycles. After 40 years of research in hot deserts Yitzchak Gutterman provides a comprehensive treatise of such adaptations and strategies. In doing so he covers the following topics: post-maturation primary seed dormancy, which prevents germination of maturing seeds before the summer; seed dispersal mechanisms with escape or protection strategies; cautious or opportunistic germination strategies; seedling drought tolerance. The day-length is an important factor in regulating flowering as well as the phenotypic plasticity of seed germination which is also affected by maternal factors.

Dramatically revised and greatly expanded, the second edition of Forensic Botany features triple the amount of images, including a 16-page color insert to aid with macro and micro identification. This edition also features new high profile cases involving the use of botanical evidence, analysis and updating of plant databases, and database sampling. New chapters provide coverage of plant poisons and toxicology, plant bioinformatics, use of plants for death investigation and clandestine grave identification, and the applications of botany to archeology. The book discusses plant biology from a forensic point of view and offers practical guidelines for how to use botanical evidence in a case.

This book is an attempt to compile and integrate the information documented by many botanists, both Egyptians and others, about the vegetation of Egypt. The ? rst treatise on the ? ora of Egypt, by Petrus Forsskal, was published in 1775. Records of the Egyptian ? ora made during the Napoleonic expedition to Egypt (1778-1801) were provided by A. R. Delile from 1809 to 1812 (Kassas, 1981). The early beginning of ecological studies of the vegetation of Egypt extended to the mid-nineteenth century. Two traditions may be recognized. The ? rst was general exploration and survey, for which one name is symbolic: Georges-Auguste Schweinfurth (1836-1925), a German scientist and explorer who lived in Egypt from 1863 to 1914. The second tradition was ecophysiological to explain the plant life in the dry desert. The work of G. Volkens (1887) remains a classic on xeroph- ism. These two traditions were maintained and expanded in further phases of e- logical development associated with the establishment of the Egyptian University in 1925 (now the University of Cairo). The ? rst professor of botany was the Swedish Gunnar Tackholm (1925-1929). He died young, and his wife Vivi Tackholm devoted her life to studying the ? ora of Egypt and gave leadership and inspiration to plant taxonomists and plant ecologists in Egypt for some 50 years. She died in 1978. The second professor of botany in Egypt was F. W.

Forest vegetation is distributed in monsoon Asia continuously from boreal forests through temperate to tropical rain forests. This vegetation - the richest in the world - is being subjected to global change on an unprecedented scale. It has been predicted that boreal forests will experience the most significant change in response to global warming, while tropical forests are endangered by rapid changes in land use due to high population pressure. An increase in atmospheric CO2 concentration will severely affect ecosystem function in this area. This volume presents a review of terrestrial ecosystems in monsoon Asia and assesses possible effects of global change on the structure and function of forest ecosystems and feedback routes to the global carbon cycle. Audience: Vital reading for plant ecologists, vegetation scientists, environmental managers and government decision makers.