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Promoted ContentScience & MathematicsMarch 2022
Key Questions in Urban Pest Management
A Study and Revision Guide
by Partho Dhang, Philip Koehler, Roberto Pereira, Daniel D Dye II
Urban pests are common all over the world. These include cockroaches, flies, mosquitoes, bed bugs, ticks, fleas, ants, termites, rodents and others. These pests thrive in human structures, where there is food, warmth and places to hide. Urban pests are one of the leading causes of illnesses in humans due to allergies, bites, food contamination and phobias. They can also cause significant damage to property and structures. Knowledge and training in this field is vital for professional and trainee pest managers. This book is specifically intended to provide an aid to such candidates. The book contains 500 multiple-choice questions (and answers) grouped into the following major topic areas: · The history of urban entomology · Household pests · Cockroaches · Flies · Mosquitoes · Bed bugs · Termites · Sporadic pests · Stored product pests · Vertebrate pests · Pesticides and pesticide formulations · Handling pesticides · Integrated Pest Control Produced in a convenient format that can be used at any time in any place, the book allows the reader to learn and revise the subject and much more. Its structure allows the study of one topic area at a time, progressing through a simple introduction followed by key revision questions, many of which require students to use their practical knowledge. The answers to each of the questions are provided at the end with short explanations wherever appropriate.
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Promoted ContentJuly 2023
Urban Pest Management
An Environmental Perspective
by Partho Dhang
The management and control of pests in the urban environment in the 21st Century faces many challenges. Pest populations adapt to changing conditions brought about by environmental changes caused by global warming, human population growth, and increased pollution. Urban pests are able to expand their ranges, densities, and habitats, sometimes causing large-scale damage and disease. This book provides collective insights from academic and industry experts on perspectives concerning urban pest management and regulatory innovations arising from the rapid onset of recent environmental challenges. Chapter topics address pest biology, advances in urban pest management practices, emerging urban pest control developments, new technologies, and regulations. The book describes new methods of pest control, their impacts on human health and the environment, and strategies for integrated management limiting the use of chemicals. It provides a practical resource for researchers and policy makers in pest management, urban health, medical entomology and environmental science. · An up-to-date and comprehensive resource on environmental urban pest management · Designed to appeal to pest control operators, public health professionals, and a range of field workers, as well as researching academics and graduate students · Brings both academic and industry experts together in one volume
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Trusted PartnerDecember 2021
Pest Management in Cotton
A Global Perspective
by Graham A. Matthews, Thomas A. Miller, Zeeshan Ahmed
This book presents a global overview of the background to, and the current state of, crop protection and pest management in cotton crops. Cotton is one of the most economically important crops in the world and has been grown for centuries but maintaining high yields of good quality requires sophisticated approaches to pest management. The introduction and use of pesticides over the decades significantly increased cotton yields but lead to many adverse environmental impacts. Over time, new and alternative insecticides were developed but overuse has enabled pests to develop significant resistance. The development of genetically modified cotton varieties with toxins derived from Bacillus thuringiensis enabled much improved control of lepidopteran larvae, including bollworms, but as the toxins had no effect on sucking pests, farmers had no choice but to continue using insecticides. Also, some of the new cotton varieties developed in recent times have not adapted to different climatic conditions and the quality of cotton fibre declined as a result. This book shows the need for more research to select cotton varieties with high quality fibres suitable for different cotton growing areas and to develop integrated pest management strategies to minimise the use of pesticides. It also demonstrates the need for an inter-disciplinary approach bringing together plant breeders, entomologists, plant pathologists, agronomists and agricultural engineers to achieve high yields of high quality cotton. In the future, farmers will need to adopt new technology to determine when and how pesticides are used in conjunction with cultural and biological control strategies. · Emphasises the importance of research on growing cotton in a world experiencing climate change · Demonstrates how crucial crop protection is in achieving high yields of high quality cotton · Shows how new technology will bring major changes in how cotton is grown in the future
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Trusted PartnerScience & MathematicsMay 2020
Optical Manipulation of Pests and Beneficial Arthropods
by David Ben-Yakir, Antoine Abrieux, Joanna C. Chiu, Joseph E. Funderbunk, Daphna Gottlieb, Gábor Horváth, Simcha Lev-Yadun, Un Taek Lim, Xavier Martini, Masami Shimoda, Robert van Tol
Arthropod pests, pollinators, and natural enemies of pests have a great economic importance to human health and food supply worldwide. Arthropods use optical cues to find food and suitable oviposition sites, daily and seasonal activities, orientation and navigation. Most arthropods have compound eyes with receptors for UV light (peak sensitivity at 360 nm) and for green-yellow light (peak sensitivity at 520-540 nm). Many arthropods also have simple eyes (ocelli) that respond to changes in light intensity. Some arthropods can detect linearly polarized light and use it as an optical cue for oviposition sites, finding of hosts and navigation.The properties of the optical cue, such as wavelength, intensity, polarization, size, shape and contrast, greatly affect their response to the optical cue. Therefore, manipulation of optical cues can interfere or enhance arthropods' activities and development. UV light has been used to attract insects for monitoring and control. The patterns of UV reflected from flowers and plants affect arthropods' preference to visit them. The absence of UV light often deters arthropods and decreases their dispersal rate. UVB induces general stress in plants which may increase their resistance to arthropod pests. Green-yellow color induces landing and favors settling (arresting) of many plant feeding arthropods. High levels of reflected sunlight (above 25% of sun radiation) deters arthropods' landing and reduces settling. The recent use of monochromatic lights to increase crop yield, or to induce desirable plant characteristics, is expected to affect the activity of the associated arthropds as well. Optical manipulations are proposed as a part of an integrated pest management (IPM) program for open-field and protected crops, and for protecting the health of humans and domestic animals. This book contains up-to-date reviews of the published literature, some unpublished results of the authors, and suggestions for future research and development of this method.
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Trusted PartnerBotany & plant sciencesJune 2000
Hemp Diseases and Pests
Management and Biological Control
by John M McPartland, Robert C Clarke, David P Watson
Hemp is enjoying a worldwide resurgence. This unique book combines a review of the hemp pest and disease literature published over the past 50 years with up-to-date information on modern biological control techniques. Each pest and disease organism is presented in the same format, covering economic impact, geographical and host-plant range, plant symptoms, taxonomic description, life history, and differential diagnosis. Important cultural, mechanical, biological and chemical controls are highlighted with charts, illustrations and explicit instructions. Easy-to-use keys are included for rapid identification of the most common pests. Introductory chapters describe the general principles of plant protection, requirements for healthy plant growth, and taxonomy of parasites and pathogens.
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Trusted PartnerAgriculture & related industriesApril 2007
Coffee Pests, Diseases and their Management
by M Bigger, Rory J Hillocks. Edited by Jim M Waller.
Price collapse and oversupply have made coffee a high-profile crop in recent years: never has efficient production and crop protection been more important for reducing costs and increasing quality. Packed with illustrations, this book covers the origins, botany, agroecology and worldwide production statistics of coffee, and the insect pests, plant pathogens, nematodes and nutrient deficiencies that afflict it. With emphasis on integrated crop management, this book reviews control measures suitable for any coffee pest or disease and will enable agriculturists to design and implement sustainable pest management systems.
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Trusted PartnerTechnology, Engineering & AgricultureNovember 2019
Tropical Roots and Tuber Crops, 2nd Edition
Cassava, sweet potato, yams and aroids
by Vincent Lebot
Root and tuber crops are important to agriculture, food security and income for 2.2 billion people in developing countries. These species produce large quantities of dietary energy and have stable yields under difficult environmental conditions. This second edition of Tropical Root and Tuber Crops is an authoritative treatment of four important root and tuber crops: cassava. sweet potato, yams, and aroids. The same format is followed for each crop: Origin and History, Taxonomy and Botany, Breeding and Genetics, Developmental Physiology, Agronomy, Pests and Diseases, Post-Harvest Quality and Marketing. This new edition reviews the scientific literature produced during the last decade and presents major technical advancements. Modern molecular tools have been used to clarify the phylogeny, taxonomy and origin of these species. Similar advances have been made in physiology, agronomy, pathology and product chemistry. It is essential reading for students, researchers and horticulturists.
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Trusted PartnerTechnology, Engineering & AgricultureApril 2018
Urban Pest Control
A Practitioner's Guide
by Partho Dhang
This guide brings together the varied and multiple skills and activities required of pest control practitioners, including biology, chemistry, architecture, engineering, sales, logistics, legal and accounting, presented with a primary emphasis on pest organisms at its core. This book provides information and tips on all of these aspects and: explores the business of controlling pests (including trends in the industry, pest control tools, and sustainable pest control); covers biological information on each pest in addition to information on control and management, monitoring and follow-up; focusses particularly on globally significant pests with internationally-applicable use and guidance; and provides practical and hands-on experience, drawing on original case studies This is a key resource for pest control practitioners, as well as in-house staff of companies or buildings involved in household or urban pest control. It is also a valuable reference for researchers, and sanitation and building managers.
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Trusted PartnerScience & MathematicsMarch 2022
Encyclopedia of Scale Insect Pests
by Takumasa Kondo, Gillian Watson
Scale insects feed on plant juices and can easily be transported to new countries on live plants. They sometimes become invasive pests, costing billions of dollars in damage to crops worldwide annually, and farmers try to control them with toxic pesticides, risking environmental damage. Fortunately, scale insects are highly susceptible to control by natural enemies so biological control is possible. They have unique genetic systems, unusual metamorphosis, a broad spectrum of essential symbionts, and some are sources of commercial products like red dyes, shellac and wax. There is, therefore, wide interest in these unusual, destructive, beneficial, and abundant insects. The Encyclopedia of Scale Insect Pests is the most comprehensive work on worldwide scale insect pests, providing detailed coverage of the most important species (230 species in 26 families, 36% of the species known). Advice is provided on collection, preservation, slide-mounting, vouchering, and labelling of specimens, fully illustrated with colour photographs, diagrams and drawings. Pest species are presented in two informal groups of families, the 'primitive' Archaeococcids followed by the more 'advanced' Neococcids, covered in phylogenetic order. Each family is illustrated and diagnosed based on features of live and slide-mounted specimens, with information on numbers of genera and species, main hosts, distribution, and biology. For the important pest species, coverage includes information on the morphology of live and slide-mounted specimens, common names, principal synonyms, geographical distribution, plant hosts, plant damage and economic impact, reproductive biology, dispersal, and management strategies including biological, cultural and chemical control, sterile insect techniques, regulatory control, early warning systems and field monitoring. An additional complete list of scale insect pests worldwide is provided, comprising 642 species in 28 scale insect families (about 8% of the 8396 species of living scales known), with information on plant hosts, geographical distribution and validation sources. Beneficial uses of scale insects as sources of red dyes, natural resins and waxes, as agents for invasive weed control. The importance of their honeydew to bees for making honey, and as a food source to other animals, are included. Academic researchers, students, entomologists, pest management officials in agribusiness or government including plant quarantine identifiers, extensionists, farmers, field scientists and ecologists will all benefit from this book.
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Trusted PartnerScience & MathematicsNovember 2016
Climate Change Impacts on Urban Pests
by Partho Dhang
This book is the first resource to review the influence of climate change on urban and public pests such as mosquitoes, flies, ticks, and wood pests, with respect to population, distribution, disease, damage and control. It systematically addresses how the impact of climate change on pests in urban areas differs from natural areas, focusing on the increased temperatures of urban locations, the effect of natural disasters, the manner of land use and the consequences of human habitation. Climate Change Impacts on Urban Pests: - covers key information on how climate change and urban pests affect human health - includes coverage of the impacts of natural disasters such as flooding looks at issues which could influence the management of pests - explores a range of international opinion from recognised authorities covering six continents. Presenting up-to-date knowledge, this book is an essential resource for researchers in urban pests, entomology and public health, as well as scientists, environmentalists and policy makers involved in studies on climate change. ; This book reviews the influence of climate change on urban and public pests such as mosquitoes, flies, termites, rodents and others, with respect to population, distribution, disease, damage and control. ; Chapter 1: Climate Change Effects on Urban Pest Insects Chapter 2: Climate Change and Urban Pest Management Chapter 3: Climate Change and the New Dynamics of Urban Pest Management in North America Chapter 4: Natural disasters, Extreme Events, And Vector-Borne Diseases: Impact on Urban System Chapter 5: Survival of Formosan Subterranean Termite Colonies during Periods of Flooding Chapter 6: Termites and a Changing Climate Chapter 7: Fly Populations and Problems in a Changing Climate Chapter 8: Impact of Climate Change on Medically Important Ticks in Europe and Their Control Chapter 9: Climate Change and its Effect on Urban Mosquitoes in South America Chapter 10: Urbanization, Climate Change and Malaria Transmission in Sub-Saharan Africa Chapter 11: Climate Change and Vector Borne Diseases in Urban Ecosystem in India Chapter 12: Climate Change and Urban Human Health Chapter 13: Innovative Formulations Useful for Area Wide Application Suitable for Climate Change
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Trusted PartnerTechnology, Engineering & AgricultureMarch 2016
Integrated Pest Management
Principles and Practice
by Gary P. Fitt, Dharam P Abrol, Y G Prasad, Uma Shankar, David Orr, S Mohankumar, Catherine Regnault-Roger, P. Q. Rizvi, Parwinder S Grewal, Houping Liu, Karolin E Eberle, Robert Barreto, Phyllis G Weintraub, A. K. Bhat, Ing Vaclav Stejskal, ZouRui Shen
Providing a critical evaluation of the management strategies involved in ecologically-based pest management, this book presents a balanced overview of environmentally safe and ecologically sound approaches. Topics covered include biological control with fungi and viruses, conservation of natural predators, use of botanicals and how effective pest management can help promote food security. In the broader context of agriculture, sustainability and environmental protection, the book provides a multidisciplinary and multinational perspective on integrated pest management useful to researchers in entomology, crop protection, environmental sciences and pest management. ; Providing a critical evaluation of the management strategies involved in ecologically-based pest management, this book presents a balanced overview of environmentally safe and ecologically sound approaches and also provides a multidisciplinary and multinational perspective on integrated pest management. ; 1: History, Overview and Principles of Ecologically Based Pest Management2: Integrated Pest Management for Sustainable Agriculture3: Pest Monitoring and Forecasting4: Augmentation and Conservation of Natural Enemies5: Biotechnological and molecular approaches in management of pests and diseases of crop plants6: Botanicals in Pest Management7: Biopesticides in Ecologically Based Integrated Pest Management8: Entomopathogenic Nematodes as Tools in Integrated Pest9: Microbial Control of Crop Pests Using Entomopathogenic Fungi10: Microbial control of crop pests using insect viruses11: Biological control of weeds with plant pathogens: four decades on12: Virus and Bacteria Transmitting Arthropod Vectors and Their Management13: Effect of Pesticides on Non Target Sites with reference to Soil Ecosystem14: Integrated Pest Management in Stored Grains15: Role of Integrated Pest Management in Food and Nutritional Security16: Role of Information and Communication Technology in Integrated Pest Management17: From Integrated Pest Management to Ecosystem Management: The Case of Urban Lawn
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Trusted PartnerPest controlSeptember 2014
Urban Insect Pests
Sustainable Management Strategies
by Edited by Partho Dhang.
A companion to 'Urban Pest Management', this book builds on the issues of insect pests in urban settings to discuss control strategies that look beyond products. From an environmental and health perspective, it is not always practical to spray chemicals indoors or in urban settings, so this work discusses sustainable control and best practice methods for managing insects that are vectors of disease, nuisance pests and the cause of structural damage.
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Trusted PartnerTechnology, Engineering & AgricultureSeptember 2019
Urban Insect Pests
Sustainable Management Strategies
by Gregory J Baumann, Partho Dhang, Zia Siddiqi, Ed Vargo, Rajeev Vaidyanathan, Julian Entwestle, John Cooksey, Chow Yang Lee, Michael Rust, Changlu Wang, Frantisek Rettich, David Liszka, Eli Shaava
A companion to 'Urban Pest Management', this book builds on the issues of insect pests in urban settings to discuss control strategies that look beyond products. From an environmental and health perspective, it is not always practical to spray chemicals indoors or in urban settings, so this work discusses sustainable control and best practice methods for managing insects that are vectors of disease, nuisance pests and the cause of structural damage.
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Trusted PartnerBotany & plant sciencesOctober 2012
Arthropod Pests of Horticultural Crops in Tropical Asia
by Rangaswamy Muniappan, B. Merle Shepard, Gerald R Carner, Peter Aun-Chuan Ooi
Agriculture plays a pivotal role in the economy of tropical Asia, but arthropod pests are major constraints to production. This book consolidates the research on pests of South and Southeast Asia, providing useful data for the establishment of sustainable pest management programs. It covers the main arthropod pests of twenty five major crops, with colour photographs of their adult and immature stages, their distribution, biology, disease vectors, symptoms of the damage they cause and their natural enemies.
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Trusted PartnerSeptember 2021
Diagnosing Hemp and Cannabis Crop Diseases
by Shouhua Wang
Hemp and cannabis, both belonging to Cannabis sativa, have emerged as some of the most valuable crops because of their multiple functionalities - industrial, medicinal, and recreational uses. Like all other crops, they are at risk of diseases and pests. In certain cases, an entire hemp field can fail due to unexpected disease. As a new and highly regulated crop, research on Cannabis crop diseases is scarce, and the science of plant diagnostics is not well covered in the literature. Taking hemp/cannabis as a model crop, the book illustrates how to diagnose a disease problem and how to manage it effectively. It presents real disease cases encountered during crop production, and explains methods of diagnosis, both in the field and in the lab, in order to find out the cause(s). The book provides: ·A field and laboratory guide to diagnosing hemp and cannabis diseases and pest problems ·Ready-to-adopt skills, methods and protocols in plant diagnosis, which can be applied to other crops ·Over 300 colour photographs accompanied by a wealth of disease information, including field observations, unique symptoms, microscopic details, and molecular data. This book is essential for anyone who is interested in learning about Cannabis crop diseases, for crops grown in the field, and in indoor production facilities.
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Trusted PartnerNovember 2024
The Handbook of Zoonotic Diseases of Goats
by Tanmoy Rana, Oluwawemimo Adebowale, Akanksha Agnihotri, Isha Agrawal, Vivek Agrawal, Anuja, M. Bhavya Sree, Shruti Bhatt, Suman Biswass, M.N. Brahmbhatt, Alok Kumar Chaudhary, J.H. Chaudhary, Shubhamitra Chaudhuri, Nidhi S. Choudhary, Pooja Dawar, Gaurav Charaya, Manaswini Dehuri, Anuj Kumar Dixit, Phelipe Magalhães Duarte, Z.B. Dubal, Nourhan Eissa, Negin Esfandiari, Meena Goswami, Pouneh Hajipour, Abbas Rabiu Ishaq, Saiful Islam, Supnesh Jain, Nirmala Jamra, G.P. Jatav, Ranbir Singh Jatav, J. Jayalakshmi, A.K. Jayraw, J. Jyothi, Jaysukh B. Kathiriya, Jasleen Kaur, Jitendra Kumar, Pradeep Kumar, K. Lahari Teja, Mahmuda Malik, Jinu Manoj, Hakim Manzer, Apoorva Mishra, Dwarikanath Mohanty, M. Reza Najafi, Simant Kumar Nanda, J.B. Nayak, Sumit Kumar Patel, Nishant Patel, Aditya Pratap, Indu Panchal, Salil Pathak, Shashi Pradhan, Natalia Pshenichnaya, Md. Tanvir Rahman, Saindla Rakesh, P. Ramadevi, Yudhbir Rana, Hafiz Muhammad Rizwan, Kabita Roy, Rajesh Kumar Sahu, Sonali Thakur, Manoj K
Goats are the predominant domestic livestock, and certainly the predominant small ruminant, in most of Asia, Africa and the warmer parts of Europe. Important for meat, milk, fibre and leather production, their widescale production and husbandry allows many opportunities for the spread of disease between livestock and their keepers. Taking a One Health approach to the issue, this book provides clear, accurate and comprehensive coverage of the zoonotic diseases of goats. Including information on aetiology, the epidemiology and transmission cycle, clinical symptoms, diagnosis, and prevention and control strategies, the book: - Helps readers quickly locate information about the disease's severity, mode of spread, treatment, and safety precautions; - Discusses the importance of educating animal owners about the public health implications of zoonotic diseases; - Reviews bacterial, viral, parasitic, rickettsial, and fungal diseases. An invaluable resource for veterinary practitioners and public health experts around the world, this book also provides a useful reference for researchers and students of animal disease and human health.
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Trusted PartnerSeptember 2020
Insect Pest Management
by David R Dent, Richard H Binks
This new, third edition has been thoroughly updated to include all the key principles, methodologies, approaches and practical examples of insect pest management in agriculture, horticulture, medical and veterinary entomology. The book covers monitoring and forecasting of pest outbreaks, yield loss and impact assessments and all of the latest methods involved in the control and management of insects. It includes coverage of host manipulation, plant resistance, biological control, use of interference, agronomic precision control methods and insecticides as well as socio-economic and research management aspects of developing integrated approaches to pest management. The new edition also reflects the key advances made in the disciplines of molecular biology, biochemistry and genomics related to insects and their management. It also considers the importance and role of biodiversity, climate change, precision agriculture, data management and sustainability of production and supply in delivering integrated management solutions. This important text continues to be essential reading for students, researchers and industry scientists involved in all aspects of insect pest management, applied entomology, crop protection and medical and veterinary entomology.
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Trusted PartnerEnvironmental factorsMay 2015
Rodent Pests and Their Control
by Edited by Alan P Buckle, Robert H Smith.
The most numerous of the world's invasive species, rodent pests have a devastating impact on agriculture, food, health and the environment. In the last two decades, the science and practice of rodent control has faced new legislation on rodenticides, the pests' increasing resistance to chemical control and the impact on non-target species, bringing a new dimension to this updated 2nd edition and making essential reading for all those involved in rodent pest control, including researchers, conservationists, practitioners and public health specialists.
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Trusted PartnerJuly 2024
Biological Control Programmes in Canada, 2013-2023
by Meghan A. Vankosky, Veronique Martel, Paul K. Abram, Susanna Acheampong, Patrice Audy, Jacob V. Basso, Tracey Baute, Roger L. Becker, Koïchi Beltrando, Andrew M.R. Bennett, Jonathan Bernardo-Santos, Suzanne E. Blatt, Michael K. Bomford, Sébastien Boquel, Patrice Bouchard, Robert S. Bourchier, Susan M. Boyetchko, Andrea M. Brauner, Jacques Brodeur, Luc Brodeur, Rosemarije Buitenhuis, Erin Bullas-Appleton, Naomi Cappuccino, Juli Carrillo, Allan L. Carroll, Haley Catton, Daniel Cormier, Ghislaine Cortat, Jenny S. Cory, Joan E. Cossentine, Isabelle Couture, Massimo Cristofaro, Rosemarie De Clerck-Floate, Carly A. Demers, Pauline S. Deschodt, Peggy L. Dixon, Josée Doyon, Shelby V. Dufton, Tim J Dumonceaux, François Dumont, Marianne Elliott, David J. Ensing, Nadir Erbilgin, Maya Evenden, Diana Catalina Fernandez, José L. Fernández-Triana, Jeffrey G. Fidgen, Annabelle Firlej, Kevin D. Floate, Anne-Marie Fortier, François Fournier, Marc Fournier, Michelle T. Franklin, Annie-Ève Gagnon, Bruno G
Biological control is an important component of integrated and ecological pest management programmes. Its importance continues to increase as plant protection is challenged with climate change, invasive species, pesticide resistance, de-registration of pesticide active ingredients, and increasing consumer demands for sustainably produced food and fibre. Biological control is highly compatible with organic cropping systems and evolving pest management frameworks, including biovigilance. Canada continues to be a world leader in biological control research, development of biological control policy, and implementation of biological control programmes. This is the sixth volume of a series of books reporting on the status of biological control research and on biological control programmes employed in Canada. This volume features 58 case study chapters that describe the research and progress in implementation of biological control for pests including insects, mites, weeds, and plant pathogens. Topics important to biological control, including policy, emerging technologies, biological control in urban landscapes and future targets for biological control are reviewed. Although the volume focusses on the Canadian biological control experience, the chapters will be of interest to a global audience of researchers and students of biological control, risk assessment, ecology, and pest management. This book Offers a detailed analysis of the state-of-the-art of biological control in Canada. Explains how biological control research is responding to challenges including climate change and invasive alien species. Gives insights in effective risk assessment and pest management. It is a valuable resource for students and researchers of pest management and biological control, and for practitioners and policy-makers needing analysis of the practical implications of using this approach.
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Trusted PartnerInsecticide & herbicide technologyJanuary 2007
Ecologically-Based Integrated Pest Management
by Edited by Opender Koul, Gerrit W Cuperus
Integrated pest management (IPM) is a sustainable approach to manage pests through biological, cultural, physical and chemical means in order to minimize economic and environmental injury caused by such pests. Any comprehensive IPM programme requires an understanding of the ecological relationships between crops, pests, natural enemies and the environment. This book presents a series of review chapters on ecologically-based IPM. Topics covered range from the ecological effects of chemical control practices to the ecology of predator-prey and parasitoid-host systems.