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Author: Odile Carisse
Publisher: BoD – Books on Demand
ISBN: 9533072660
Category : Science
Languages : en
Pages : 552
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Book Description
Plant and plant products are affected by a large number of plant pathogens among which fungal pathogens. These diseases play a major role in the current deficit of food supply worldwide. Various control strategies were developed to reduce the negative effects of diseases on food, fiber, and forest crops products. For the past fifty years fungicides have played a major role in the increased productivity of several crops in most parts of the world. Although fungicide treatments are a key component of disease management, the emergence of resistance, their introduction into the environment and their toxic effect on human, animal, non-target microorganisms and beneficial organisms has become an important factor in limiting the durability of fungicide effectiveness and usefulness. This book contains 25 chapters on various aspects of fungicide science from efficacy to resistance, toxicology and development of new fungicides that provides a comprehensive and authoritative account for the role of fungicides in modern agriculture.
Author: Odile Carisse
Publisher: BoD – Books on Demand
ISBN: 9533072660
Category : Science
Languages : en
Pages : 552
Get Book Here
Book Description
Plant and plant products are affected by a large number of plant pathogens among which fungal pathogens. These diseases play a major role in the current deficit of food supply worldwide. Various control strategies were developed to reduce the negative effects of diseases on food, fiber, and forest crops products. For the past fifty years fungicides have played a major role in the increased productivity of several crops in most parts of the world. Although fungicide treatments are a key component of disease management, the emergence of resistance, their introduction into the environment and their toxic effect on human, animal, non-target microorganisms and beneficial organisms has become an important factor in limiting the durability of fungicide effectiveness and usefulness. This book contains 25 chapters on various aspects of fungicide science from efficacy to resistance, toxicology and development of new fungicides that provides a comprehensive and authoritative account for the role of fungicides in modern agriculture.
Author: R Thompson
Publisher: Elsevier
ISBN: 1845698703
Category : Technology & Engineering
Languages : en
Pages : 326
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Book Description
The effective and lasting treatment of wood against insect and fungal attack grows in importance as forestry reserves decline and as cost increases feed through to the building trade and other timber users. At the same time, environmental pressures bear ever more heavily on the types of chemicals and processes employed in the preservation industry. This book records the proceedings of an international meeting arranged to address such issues. The 15 principal chapters are based upon papers by invited experts to a combined audience of preservation practitioners and non-specialists. The chapter sequence follows the logical pattern of the conference, beginning with a review of the biological threats to be contended. There follow historical and state-of-the-art accounts of aqueous, organic solvent and non-liquid treatment processes. Preservatives increasingly must meet international product and environmental standards, which along with the related test, analytical and quality control procedures, are described and referenced. Contributors from the wood preservation industry address a range of needs associated with cost, safety and performance efficacy, not neglecting a search for a better understanding of the finer chemical mechanisms involved. Remaining problems are outlined in strategies for further research and development. - Address a range of needs associated with cost, safety and performance efficacy - Problems are outlined in strategies for further research and development
Author: Callum A. S. Hill
Publisher: John Wiley & Sons
ISBN: 047002173X
Category : Science
Languages : en
Pages : 260
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Book Description
This book is exclusively concerned with wood modification, although many of these processes are generic and can be applied to other lignocellulosic materials. There have been many rapid developments in wood modification over the past decade and, in particular, there has been considerable progress made in the commercialisation of technologies. Topics covered include: The use of timber in the 21st century Modifying the properties of wood Chemical modification of wood: Acetic Anhydride Modification and reaction with other chemicals Thermal modification of wood Surface modification Impregnation modification Commercialisation of wood modification Environmental consideration and future developments This is the first time that a book has covered all wood modification technologies in one text. Although the book covers the main research developments in wood modification, it also puts wood modification into context and additionally deals with aspects of commercialisation and environmental impact. This book is very timely, because wood modification is undergoing huge developments at the present time, driven in part by environmental concerns regarding the use of wood treated with certain preservatives. There has been considerable commercial interest shown in wood modification over the past decade, with products based upon thermal modification, and furfurylation now being actively being marketed. The next few years will see the commercialisation of acetylation and impregnation modification. This is a new industry, but one that has enormous potential. This book will prove useful to all those with an interest in wood modification including researchers, technologists and professionals working in wood science and timber engineering, wood preservation, and well as professionals in the paper and pulp industries, and those with an interest in the development of renewable materials.
Author: Alan Bruce
Publisher: CRC Press
ISBN: 0203482972
Category : Science
Languages : en
Pages : 337
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Book Description
Industries are developing radical, new biotechnology processes to expand and develop their range of products that originate from the world's forests. As a result of the growing understanding of the process involved, biotechnology is also helping reduce any adverse impact on the environment.; This book presents a review of specialist research directed towards efficient and environmentally sensitive use of forests. An introductory chapter explaining the structure and anatomy of wood is followed by a chapter-by-chapter review of the most current developments on individual topics associated with a wide range of forest products such as timber, trees, pulp and paper, drugs and valuable chemicals. In addition, chapters focus on the ways of resolving some of the environmental problems faced by these industries.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 12
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Book Description
Author:
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 556
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Book Description
Author: Robert R. Maeglin
Publisher:
ISBN:
Category : Forest products
Languages : en
Pages : 124
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Book Description
Author: Timothy G. Townsend
Publisher: CRC Press
ISBN: 1420006215
Category : Science
Languages : en
Pages : 521
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Book Description
Responding to a heightened awareness of the possible adverse effect of treated wood, this book presents multidisciplinary research results and fundamental information on regulations, wood treatment alternatives, and documentation of environmental releases. It examines the impact of treated wood on water, soil, and organisms. Several chapters discuss ways to measure exposure and review various approaches to risk assessment and management. Case studies address human health effects of exposure. The book also presents state-of-the-art disposal technologies, new preservative compounds, and recent developments related to phase outs of certain treated wood products.
Author: Brian Ridout
Publisher: Taylor & Francis
ISBN: 1136739963
Category : Architecture
Languages : en
Pages : 272
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Book Description
This is the first book to tackle all the issues relating to timber decay. It presents the facts and explores timber decay problems through case studies. These are illustrated with clear self-explanatory photographs for the reader to use as a diagnostic aid. Section 1 discusses timber as a living material, Section 2 deals with decay organisms and their habitat requirements. Section 3 moves on to the building as an environment for timber and discusses the ways in which wood responds to moisture change. Section 4 ends with an approach to timber decay which integrates knowledge on the decay organism, its requirements and natural predators with appropriate and targeted chemical treatments.
Author: Michael Altgen
Publisher: Cuvillier Verlag
ISBN: 3736984219
Category : Science
Languages : en
Pages : 166
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Book Description
Various thermal wood modification technologies have been developed in Europe during the past decades that differ notably in the process conditions applied. However, the changes in wood properties by thermal modification, the underlying modes of action and their link to the process conditions are still not fully understood. This thesis investigates the influence of different process conditions in open and closed reactor systems on the resulting properties of thermally modified wood. In closed reactor systems, elevated water vapor pressure accelerates the thermal degradation of wood polymers and results in high mass loss levels even at mild treatment temperatures. However, in addition to the loss in wood mass, a strong influence of drying and softening of wood at elevated temperatures as well as an increased cell wall matrix stiffness by modification of the lignin carbohydrate complex under dry heat conditions influences the wood properties, i.e. water sorption. For wood thermally modified in open reactor systems at different peak temperatures and durations, the surface performance is investigated with regard to the susceptibility to surface cracking, photodegradation and coatability. The results provide explanations why the performance of thermally modified wood in exterior applications does not always meet the expectations derived from its enhanced resistance against decay fungi.
