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Books > Professional & Technical > Agriculture & farming > Pest control

Introduction to Plant Diseases: Identification and Management (Paperback, 2nd Revised edition): George B. Lucas, C.L. Campbell,... Introduction to Plant Diseases: Identification and Management (Paperback, 2nd Revised edition)
George B. Lucas, C.L. Campbell, L.T. Lucas
R2,931 Discovery Miles 29 310 Out of stock

This book provides practical, up-to-date information that helps in the successful management of diseases on food, fibre and landscape plants for students who do not have a strong background in the biological sciences. It is largely revised to reflect the recent problems in conventional agriculture with an environmental emphasis and to include the latest techniques in biotechnology and genetic engineering. This edition includes information on the more precise indentification of diseases and the pathogens that cause them, the development of epidermics of plant diseases, the application of biotechnology in plant pathology and the use of alternative methods of crop production and disease management. This book should be of interest to agricultural consultants; chemical company representatives; sales personnel; courses in biological sciences and agriculture in high schools; technical colleges.

Spider Mites, Volume 1B (Hardcover): Bozzano G Luisa Spider Mites, Volume 1B (Hardcover)
Bozzano G Luisa
R6,522 Discovery Miles 65 220 Out of stock

This two-part volume with contributions from more than 50 international specialists, provides an up-to-date text and brings together facts and views of acarologists specialized in various aspects of the biology of spider mites. The need for such a treatment of scientific progress and recommended topics for future research exists among students, commencing in the study of acarology and plant protection, as well as among those engaged in acarological research and teaching. Both books will serve to provide a synthesis of much of the knowledge on basic and applied aspects of the biology of spider mites and their natural enemies; stimulate students to analyse critically the views propounded by the authors of the book, and instigate research into environmentally safe and cost effective means of pest control.

Aphids, Volume 2C (Hardcover): Bozzano G Luisa Aphids, Volume 2C (Hardcover)
Bozzano G Luisa
R6,410 Discovery Miles 64 100 Out of stock

In spite of the extensive attention given by research workers to aphids no comprehensive review has been published covering all aspects of aphid biology. A few small books exist on certain aspects of nomenclature, ecology, physiology and natural enemies. Aphid biology is studied by many specialists, all representing their own area of interest, therefore the only way to present this comprehensive review is by the multi-author approach. This three-volume work is compiled in a similar way to the first books in the series World Crop Pests: Spider Mites. The volumes contain contributions by more than 40 authors. In this first volume an account is given on morphology and systematics, anatomy, genetics, life cycles, ways of life, reproduction and polymorphism and interaction with the environment. These topics are followed by an in-depth study of evolution of aphids, especially in connection with the evolution of plants. In addition processes governing the development of population structure and speciation are elicited.

Plant Innate Immunity, Volume 51 (Hardcover, 51st edition): L.J.C. van Loon Plant Innate Immunity, Volume 51 (Hardcover, 51st edition)
L.J.C. van Loon
R3,640 Discovery Miles 36 400 Out of stock

Plant innate immunity is a collective term to describe a complex of interconnected mechanisms that plants use to withstand potential pathogens and herbivores. The last decade has seen a rapid advance in our understanding of the induction, signal transduction and expression of resistance responses to oomycetes, fungi, bacteria, viruses, nematodes and insects. This volume aims at providing an overview of these processes and mechanisms. Edited by Jean-Claude Kader and Michel Delseny and supported by an international Editorial Board, "Advances in Botanical Research" publishes in-depth and up-to-date reviews on a wide range of topics in plant sciences.
* Multidisciplinary reviews written from a broad range of scientific perspectives
* For over 40 years, series has enjoyed a reputation for excellence
* Contributors internationally recognized authorities in their respective fields

Target Receptors in the Control of Insect Pests: Part II, Volume 46 (Hardcover): Ephraim Cohen Target Receptors in the Control of Insect Pests: Part II, Volume 46 (Hardcover)
Ephraim Cohen
R2,979 Discovery Miles 29 790 Out of stock

This volume of "Advances in Insect Physiology" contains comprehensive interdisciplinary reviews on basic and practical aspects relevant to major target receptors for crucial physiological functions and mechanisms in prokaryotic and eukaryotic organisms, particularly insects. Chapters emphasize advanced genomic, molecular biology, chemical, and proteomic research on the receptors and their corresponding agonist and antagonist ligands. The book encompasses target systems such as sodium channels, octopamine/tyramine receptors, ABC transporters, acetylcholinesterase as a target enzyme, juvenile hormone receptors, and receptors targeted by neuropeptides.
Contains important, comprehensive and in-depth reviewsAn essential reference source for invertebrate physiologists and neurobiologists, entomologists, zoologists, and insect biochemistsFirst published in 1963, this serial is ranked second in the highly competitive ISI category of Entomology

Ecophysiology of Pesticides - Interface between Pesticide Chemistry and Plant Physiology (Paperback): Talat Parween, Sumira Jan Ecophysiology of Pesticides - Interface between Pesticide Chemistry and Plant Physiology (Paperback)
Talat Parween, Sumira Jan
R3,274 Discovery Miles 32 740 Out of stock

Ecophysiology of Pesticides: Interface between Pesticide Chemistry and Plant Physiology is the first comprehensive overview of the physical impact of this increasingly complex environmental challenge. Designed to offer state-of-the-art knowledge, the book covers pesticide usage and its consequences on the ecophysiology of plants. It includes the challenge of policymaking in pesticide consumption and a risk analysis of conventional and modern approaches on standard usage. In addition, it summarizes research reports pertaining to the physio-ecological effects of pesticides, discusses the environmental risks associated with the over-utilization of pesticides, and covers pesticide usage on the micro-flora and rhizosphere. This book is a valuable reference for plant ecologists, plant biochemists and chemists who want to study pesticide consumption and its biochemical and physiological evaluation effects on plants. It will also be of immense help to university and college teachers and students of environmental biotechnology, environmental botany and plant ecophysiology.

Conservation Biological Control (Hardcover): Pedro A. Barbosa Conservation Biological Control (Hardcover)
Pedro A. Barbosa
R2,458 Discovery Miles 24 580 Out of stock

This volume is a comprehensive treatment of how the principles of ecology and conservation biology can be used to maximize biological control. Conservation Biological Control presents various means to modify or manipulate the environment to enhance the activities of natural enemies of pests. It establishes a conceptual link between ecology and the agricultural use of agents for biological control, and discusses both theoretical issues as well as practical management concerns. Certain to be interesting to ecologists and entomologists, this volume will also appeal to scientists, faculty, researchers and students interested in pest management, horticulture, plant sciences, and agriculture.
Key Features
* Contains chapters by an international team of leading authorities
* Establishes a conceptual link between ecology and the agricultural use of agents for biological control
* Discusses both theoretical issues as well as practical management concerns
* Provides specific examples of how conservation principles are used to maximize the biological control of pests

Diseases of Fruit Crops in Australia (Hardcover): Tony Cooke, Dennis Persley, Susan House Diseases of Fruit Crops in Australia (Hardcover)
Tony Cooke, Dennis Persley, Susan House
R3,616 Discovery Miles 36 160 Out of stock

"Diseases of Fruit Crops in Australia" will become the new standard reference in applied plant pathology in Australia covering important diseases affecting the broad range of fruit and nut crops grown throughout Australia. It will be an essential tool for growers, horticulturists, crop consultants, research scientists, plant pathologists, quarantine officers, agribusiness representatives, pest management personnel, educators and students. The book is generously illustrated with high quality color images to help diagnose diseases and explains how to identify and manage each disease, describing the symptoms of the disease, its importance, the source of infection and spread and control measures. Based on the highly regarded 1993 edition of "Diseases of Fruit Crops," this new work updates management practices that have evolved since then. Importantly, it contains the latest information on diseases that have recently emerged in Australia as well as exotic diseases that are biosecurity threats to Australian fruit and nut production. Features: Written in a straightforward style with a minimum of scientific terms Provides accurate information about significant diseases affecting 17 major and several specialty fruit crops in Australian tropical and temperate regions Each disease is extensively illustrated with high quality colour photographs Contains a comprehensive glossary and provides up-to-date sources of further information Describes key exotic diseases that are biosecurity risks to Australian fruit growers

Baculovirus Expression Systems and Biopesticides (Hardcover): Michael L. Shuler, H. Alan Wood, Robert R. Granados, Daniel A.... Baculovirus Expression Systems and Biopesticides (Hardcover)
Michael L. Shuler, H. Alan Wood, Robert R. Granados, Daniel A. Hammer
R6,096 Discovery Miles 60 960 Ships in 7 - 11 working days

Baculovirus Expression Systems and Biopesticides Edited by Michael L. Shuler, H. Alan Wood, Robert R. Granados, and Daniel A. Hammer Baculovirus Expression Systems and Biopesticides provides an integrated perspective on the use of the continually evolving baculovirus-insect cell system in the production of recombinant proteins and genetically engineered pesticides. Divided into three main sections--Developing Effective Virus-Insect Culture Systems, Bioreactor Design and Scale-Up Issues, and Commercial Application of Insect Cell Culture--the book, written by highly regarded editors in the field, describes:
* The molecular biology and genetics of baculoviruses
* The use of baculoviruses as expression systems
* Principles and methods for small- and large-scale insect cultures
* The use of wild type and genetically engineered baculoviruses as viral pesticides
The breadth of coverage in Baculovirus Expression Systems and Biopesticides will meet the needs of molecular biologists, chemical engineers, biotechnologists, virologists, and entomologists.

Soilborne Microbial Plant Pathogens and Disease Management, Volume One - Nature and Biology (Hardcover): P. Narayanasamy Soilborne Microbial Plant Pathogens and Disease Management, Volume One - Nature and Biology (Hardcover)
P. Narayanasamy
R4,546 Discovery Miles 45 460 Out of stock

Soilborne microbial plant pathogens including oomycetes, fungi, bacteria and viruses cause several economically important destructive diseases and the symptoms of infection can be recognized only after the pathogen has invaded many tissues primarily vascular tissues of susceptible plants. This condition places formidable challenges in investigating different aspects of host-microbial pathogen interactions. Early detection of infection and precise identification, differentiation, and quantification of the microbial plant pathogens in plants, soil and water sources are essential requirements for development of effective tactics to reduce the incidence and spread of the diseases caused by them. As the microbial plant pathogens differ in their virulence and sensitivity to the environment and chemicals applied, it is imperative to assess the extent of variability in the concerned pathogens. This first volume of a two-volume set introduces disease-causing microorganisms including oomycetes, fungi, bacteria, and viruses found in soils. It focuses on the biology, detection, and identification of soilborne bacterial, fungal, and viral plant pathogens. This volume discusses various techniques based on biological, immunological and genetic properties of the pathogens indicating their advantages and limitations for selecting the appropriate technique to fulfill the requirements. Features: Presents techniques useful for detection, identification, quantification of microbial plant pathogens in plants, soil, and irrigation water from waterbodies. Highlights subversive activities of viruses, resulting in the breakdown of host defense systems. Discusses RNA silencing in infected plants by viruses and posttranscriptional gene silencing (PTGS) functioning as an endogenous mechanism in plants against virus infection. Presents information on methods of assessment of genetic variability and sensitivity of microbial plant pathogens to chemicals and adverse environmental conditions.

Soilborne Microbial Plant Pathogens and Disease Management, Volume Two - Management of Crop Diseases (Hardcover): P.... Soilborne Microbial Plant Pathogens and Disease Management, Volume Two - Management of Crop Diseases (Hardcover)
P. Narayanasamy
R4,526 Discovery Miles 45 260 Out of stock

Crop disease management strategies revolve around the principles of exclusion, eradication and immunization. Cultural practices are aimed at preventing or reducing the accumulation of pathogen population (inoculum). Development of cultivars with genetic resistance by transgressing resistance gene(s) through traditional breeding procedures or biotechnological techniques is the most effective and acceptable strategy, as it is environment-friendly and does not need any additional cost to the grower. Assessment of different grades of resistance of cultivars or genotypes to soilborne microbial pathogens has been possible by quantifying pathogen populations or their DNA contents in the test plants by applying biological and molecular methods. This second volume of a two-volume set focuses on the soilborne microbial plant pathogens and the diseases caused by them. The book provides information on ecology and epidemiology of soilborne microbial plant pathogens and various strategies applicable for effective management of diseases. Chapters cover exclusion and prevention strategies; improvement of host plant resistance; biological management; application of chemicals; and integration of these disease management strategies. Features Discusses various aspects of soilborne microbial plant pathogens to develop effective methods of managing diseases. Presents information on epidemiology and ecology of soilborne microbial plant pathogens. Facilitates the application of management strategies alone or in combination with others for effective suppression of disease development. Features information on application of biotic and abiotic biological control agents (BCAs) to suppress pathogen development either by directly acting on the pathogen(s) or indirectly by enhancing host resistance to the pathogens. Employs biotic and abiotic biocontrol agents either to replace or reduce the use of chemicals is an achievable approach for managing the soilborne microbial pathogens.

Soilborne Microbial Plant Pathogens and Disease Management (Two Volume Set) (Book): P. Narayanasamy Soilborne Microbial Plant Pathogens and Disease Management (Two Volume Set) (Book)
P. Narayanasamy
R7,605 R6,561 Discovery Miles 65 610 Save R1,044 (14%) Out of stock

Soil has a versatile role in supporting the development of a wide range of organisms, including plants and microorganisms. Soilborne pathogens and root diseases are the primary limiting factor in many crops and tend to be very difficult to control. This first volume of a two-volume set introduces disease-causing microorganisms including oomycetes, fungi, bacteria, and viruses found in soils. It focuses on the biology, detection, and identification of soilborne bacterial, fungal, and viral plant pathogens. Volume two provides information on ecology and epidemiology of soilborne microbial plant pathogens and strategies applicable to manage diseases. Chapters cover exclusion and prevention strategies; improvement of host plant resistance; biological management; application of chemicals; and integration of disease management strategies.

Tapestry Lawns - Freed from Grass and Full of Flowers (Hardcover): Lionel Smith Tapestry Lawns - Freed from Grass and Full of Flowers (Hardcover)
Lionel Smith
R3,886 Discovery Miles 38 860 Out of stock

Swathes of the human world are covered in ornamental grass lawns; they are the single most commonly encountered horticultural feature on the planet. Unfortunately, they are now often viewed as resource-draining green deserts due to the lack of plant and animal diversity, the need for frequent mowing and watering, and addition of lawn greening products to keep them looking at their best. It is a venerable horticultural feature that is essentially frozen in time, and with few alternatives to whet the appetite, the lawn has languished in its current grass-only format for decades. Until now. Tapestry lawns are a new, practically researched and timely development of the ornamental lawn format that integrates both horticultural practice and ecological science and re-determines the potential of a lawn. Mown barely a handful of times a year and with no need for fertilisers or scarifying, tapestry lawns are substantially richer in their diversity of plant and animal life compared to traditional grass-only lawns and see the return of flowers and colour to a format from which they are usually purposefully excluded. Tapestry Lawns: Freed from Grass and Full of Flowers traces the changes in the lawn format from its origins to the modern day and offers information on how and why the tapestry lawn construct is now achievable. It provides guidance on how to create and maintain a tapestry lawn of your own and champions the potential benefits for wildlife that can follow. Features Accessible and informative to all types of readers from academic to amateur Includes a refined and tested set of useful tapestry lawn plants Contains step-by-step instructions for creation and management methods of grass-free lawns Illustrated in full colour If you have ever thought about mowing your lawn much less, making it much more colourful and wildlife friendly, then this book will inform and guide you to create a perfect, grass-free lawn.

The Ecology of Malaria Vectors (Hardcover): Jacques Derek Charlwood The Ecology of Malaria Vectors (Hardcover)
Jacques Derek Charlwood
R3,831 Discovery Miles 38 310 Out of stock

This practical book covers all aspects of the biology of malaria vectors, with notes on the vectors of dengue. It is the first work in this field to concentrate on mosquitoes, rather than covering all disease vectors. Authored by renowned field entomologist Jacques Derek Charlwood, it disseminates his vast experience working on mosquito biology, ecology and the evaluation of new vector control tools across five continents over the past 40 years. Covering all aspects from classification and systematics, population dynamics, vector control, to surveillance and sampling, epidemics, and a selection of case histories, the book also considers genetics and resistance, Aedes biology, and malaria and dengue models. It is designed to fill the gap between very specialized texts and undergraduate books on general disease vectors, and is ideal as a textbook for postgraduate courses in entomology and mosquito vectors of disease.

Temperature Sensitivity In Insects And Application In Integrated Pest Management (Hardcover): Guy J. Hallman, David L. Denlinger Temperature Sensitivity In Insects And Application In Integrated Pest Management (Hardcover)
Guy J. Hallman, David L. Denlinger
R2,988 Discovery Miles 29 880 Out of stock

This book focuses on an array of integrated pest management tools (IPM) that exploit extreme temperatures, examining the biological basis for using temperature extremes in controlling insects and presenting practical IPM techniques that rely on temperature.

Thrips Biology and Management (Hardcover, 1995 ed.): Bruce L. Parker, Margaret Skinner, Trevor Lewis Thrips Biology and Management (Hardcover, 1995 ed.)
Bruce L. Parker, Margaret Skinner, Trevor Lewis
R6,185 Discovery Miles 61 850 Out of stock

Thrips (fhysanoptera) are very small insects, widespread throughout the world with a preponderance of tropical species, many temperate ones, and even a few living in arctic regions. Of the approximately 5,000 species so far identified, only a few hundred are crop pests, causing serious damage or transmitting diseases to growing crops and harvestable produce in most countries. Their fringed wings confer a natural ability to disperse widely, blown by the wind. Their minute size and cryptic behavior make them difficult to detect either in the field or in fresh vegetation transported during international trade of vegetables, fruit and ornamental flowers. Many species have now spread from their original natural habitats and hosts to favorable new environments where they often reproduce rapidly to develop intense damaging infestations that are costly to control. Over the past decade there have been several spectacular examples of this. The western flower thrips has expanded its range from the North American continent to Europe, Australia and South Africa. Thrips palmi has spread from its presumed origin, the island of Sumatra, to the coast of Florida, and threatens to extend its distribution throughout North and South America. Pear thrips, a known orchard pest of Europe and the western United States and Canada has recently become a major defoliator of hardwood trees in Vermont and the neighboring states. Local outbreaks of other species are also becoming problems in field and glasshouse crops as the effectiveness of insecticides against them decline.

Advances in Microbial Control of Insect Pests (Hardcover, Harper Trophy): Rajeev K. Upadhyay Advances in Microbial Control of Insect Pests (Hardcover, Harper Trophy)
Rajeev K. Upadhyay
R4,912 Discovery Miles 49 120 Out of stock

The insect 1 remain in symbiotic associations with a tremendous number of microorganisms, and some of them could be classified as parasitic/pathogenic. Without question, insect pathogens act as natural mortality agents and represent the third leg of the triad of biological control which is an environmentally sound alternative to chemical control. The virulence and pathogenicity of an insect parasite i. e. disease agent are determined by the microbial genome as a result of the coordinated expression of a concert of genes. These genes may be organized as cassettes and be associated with transmissible DNA. The acquisition of these domains or pathogenicity islands, may be sufficient to develop a transgenic virulent pathogen. The insect pathogens are very specific and this property can be exploited in making insects sick. However, rarely have field applications of highly virulent strains of viruses, fungi, bacteria, protozoa resulted in massive insect population reductions or induced widespread, persistent epizootics as the same is also governed by host susceptibility regulated by genetics, age, sex and physiological state of the host. Insect pathogens causing acute or chronic diseases must be able to persist in the environment, to multiply in the host, and to spread to other susceptible hosts. In this book, I have attempted to bring together all recent studies regarding both fundamental and more applied research aspects related to entomopathogens, bacteria, viruses, fungi and nematodes in order to facilitate their development and commercial exploitation.

Diseases of Field Crops and their Management (Hardcover): S. Parthasarathy, G. Thiribhuvanamala, K. Prabakar Diseases of Field Crops and their Management (Hardcover)
S. Parthasarathy, G. Thiribhuvanamala, K. Prabakar
R4,952 Discovery Miles 49 520 Out of stock

The book entitled Diseases of Field Crops and their Management provides most recent information about major diseases of cultivation field crops, their symptoms, pathogen characters, epidemiology, and management. In order to make the book all in one, the importance of major diseases has also been dealt with in brief. Note: T&F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.

Plant Disease Control: Towards Environmentally Acceptable Methods (Hardcover, 1993 ed.): Richard N. Strange Plant Disease Control: Towards Environmentally Acceptable Methods (Hardcover, 1993 ed.)
Richard N. Strange
R4,885 Discovery Miles 48 850 Out of stock

Plant disease is one of the greatest causes of economic losses of crops throughout the world. Every year, billions of dollars are spent on chemical control measures, but there is an increasing awareness that alternatives to these chemical control measures may be becoming more viable. This work explores the international impact of plant disease on man and how this is measured and diagnosed, discusses epidemiology and the genetics of host-parasite relations and looks at the range of defensive tactics currently available and those under development, in particular those which are more environmentally acceptable than many in widespread use now.

Insect Pheromones and their Use in Pest Management (Paperback, Softcover reprint of the original 1st ed. 1998): P. Howse, J.M.... Insect Pheromones and their Use in Pest Management (Paperback, Softcover reprint of the original 1st ed. 1998)
P. Howse, J.M. Stevens, Owen T. Jones
R2,726 Discovery Miles 27 260 Out of stock

There is now a considerable literature on chemical ecology, which had its beginnings in the study of insect pheromones. This beginning was possible only by combining the disciplines and techniques of biology and chemistry. For a biologist, it is difficult to understand the time frames of analytical and synthetic chemistry. A compound may take days to characterize and be available in minutes from a bottle on the shelf, or it may take years to characterize and synthesize. Chemists have a similar frustration: after an intense programme of work, the insect in question may not emerge for many months. study are, however, The rewards of integrated interdisciplinary considerable, because they allow us to understand many facets of insect behaviour and consequently to control that behaviour for our own ends. In this book, we have set out to explain the results of research from chemical and biological perspectives, and see how the knowledge gained has led to novel techniques that can be used in insect pest management and insect control. An important part of understanding insect chemical ecology involves the understanding not only of new concepts but of the vocabularies used by scientists specializing in different fields. It will be clear that the three sections of this book have been written by three different people: an insect behaviourist, an organic chemist and a biologist in industry."

Insect Pheromones and their Use in Pest Management (Hardcover, 1998 ed.): P. Howse, J.M. Stevens, Owen T. Jones Insect Pheromones and their Use in Pest Management (Hardcover, 1998 ed.)
P. Howse, J.M. Stevens, Owen T. Jones
R4,414 Discovery Miles 44 140 Out of stock

There is now a considerable literature on chemical ecology, which had its beginnings in the study of insect pheromones. This beginning was possible only by combining the disciplines and techniques of biology and chemistry. For a biologist, it is difficult to understand the time frames of analytical and synthetic chemistry. A compound may take days to characterize and be available in minutes from a bottle on the shelf, or it may take years to characterize and synthesize. Chemists have a similar frustration: after an intense programme of work, the insect in question may not emerge for many months. study are, however, The rewards of integrated interdisciplinary considerable, because they allow us to understand many facets of insect behaviour and consequently to control that behaviour for our own ends. In this book, we have set out to explain the results of research from chemical and biological perspectives, and see how the knowledge gained has led to novel techniques that can be used in insect pest management and insect control. An important part of understanding insect chemical ecology involves the understanding not only of new concepts but of the vocabularies used by scientists specializing in different fields. It will be clear that the three sections of this book have been written by three different people: an insect behaviourist, an organic chemist and a biologist in industry."

Virus and Virus-like Diseases of Major Crops in Developing Countries (Hardcover, 2003 ed.): Gad Loebenstein, George Thottappilly Virus and Virus-like Diseases of Major Crops in Developing Countries (Hardcover, 2003 ed.)
Gad Loebenstein, George Thottappilly
R6,077 Discovery Miles 60 770 Out of stock

It appears that a comprehensive and up-to-date book on the impact of virus diseases on the major crops in developing countries is now much needed, especially as there have been rapid advances in the biological and molecular characterization and detection of the pathogens and possible approaches for their control. On the other hand, the economic losses caused by many of these diseases are tremendous and much of the accumulated knowledge to diminish the crop losses has not filtered through, or cannot be applied.
This book is focused on the important crops. Each chapter on a specific crop will include inter alia, geographical distribution, the viruses - symptoms, damage, detection - a brief description of the viruses concerned, and present and future ways for their control. Experts from India, Nigeria, UK, USA, France, Germany, Peru, Japan, Australia, Netherlands, Venezuela, Kazakhstan and Israel (many of them from the International Research Institutions) have contributed chapters to this book.

Weed Biology and Management (Hardcover, 2004 ed.): Inderjit Weed Biology and Management (Hardcover, 2004 ed.)
Inderjit
R6,045 Discovery Miles 60 450 Out of stock

Weeds hold an enigmatic and sometimes-controversial place in agriculture, where they are generally reviled, grudgingly tolerated, and occasionally admired. In most cases, growers make considerable effort to reduce the negative economic impact of weeds because they compete with crops for resources and hinder field operations, thereby affecting crop productivity and quality, and ultimately the sustainability of agriculture. Weed control in production agriculture is commonly achieved through the integration of chemical, biological, and mechanical management methods. Chemicals (herbicides) usually inhibit the growth and establishment of weed plants by interfering with various physiological and biochemical pathways. Biological methods include crop competition, smother crops, rotation crops, and allelopathy, as well as specific insect predators and plant pathogens. Mechanical methods encompass an array of tools from short handled hoes to sophisticated video-guided robotic machines. Integrating these technologies, in order to relieve the negative impacts of weeds on crop production in a way that allows growers to optimize profits and preserve human health and the environment, is the science of weed management.

Diseases of Fruits and Vegetables - Diagnosis and Management (Book, 2004 ed.): S.A.M.H. Naqvi Diseases of Fruits and Vegetables - Diagnosis and Management (Book, 2004 ed.)
S.A.M.H. Naqvi
R7,594 Discovery Miles 75 940 Out of stock

Among horticultural crops, fruits and vegetables are of primary importance for an adequate and balanced human diet. In certain parts of the world, fruits and vegetables are the major dietary staple. Apart from being a rich source of vitamins and minerals, the production of fruits and vegetables also contributes significantly to regional and national economies through national and international trade. However, the cultivation of these crops for optimum yield and quality is highly technical and needs improved technological support. Management of perennial fruit crops requires further close monitoring especially for the management of diseases which affect production and subsequent post-harvest losses significantly.
During the twentieth century, plant pathology has witnessed a dramatic advance in management of fruit and vegetable diseases through in-depth investigations of host-pathogen interactions, development of molecular diagnostic tools, integration of new concepts, principles and approaches. The new millennium promises excitement and hope for the future by new advances in eco-friendly technologies in integrated disease management of fruits and vegetables.
This book contains a comprehensive overview of current practice in diagnosis and management of diseases of fruits and vegetables. It includes the latest diagnostic tools and management strategies of almost all the important temperate, tropical and subtropical fruits and vegetables. For each individual crop various aspects of diseases such as the diagnosis, forecast, elimination of diseases and integrated management at nursery, orchard and post-harvest stage are discussed by leading plant pathologists. The diseases of economic importance caused by fungi, bacteria, viruses and virus-like organisms and nematodes of each crop are covered, describing their history, distribution, losses incurred, symptoms, diagnostic tools, epidemiology and integrated applied management approaches including cultural, chemical, genetic resources and the use of bio-control agents. Each chapter is vividly illustrated with photographs of typical symptoms, graphs, tables and line drawings to make the subject more interesting and easy to understand for students, scientists, planners, administrators, growers and other end users.
Volume I covers diseases of fruits including apple, citrus, grapes, mango and pineapple and of vegetables such as carrot, celery and cucurbits, with special reference to integrated disease management practices.
Volume II covers diseases of fruits including avocado, banana, grapes, guava, papaya, passion fruit, strawberry, stone fruits and minor tropical and subtropical fruits. Vegetables such as lettuce, pea, pepper, potato, onion and garlic have been included in this volume besides the role of mycorrhiza and biocontrol agents in disease management.

Sterile Insect Technique - Principles and Practice in Area-Wide Integrated Pest Management (Hardcover, 2005 ed.): V.A. Dyck, J.... Sterile Insect Technique - Principles and Practice in Area-Wide Integrated Pest Management (Hardcover, 2005 ed.)
V.A. Dyck, J. Hendrichs, A.S. Robinson
R7,246 Discovery Miles 72 460 Out of stock

The sterile insect technique (SIT) is an environment-friendly pest control method that fits into area-wide integrated pest management (AW-IPM) programmes. This book describes the principles and practice of SIT, frankly evaluating its strengths and weaknesses, successes and failures. SIT is useful against pests that have considerable impact on plant, animal and human health, and criteria are provided to guide in the selection of pests appropriate for SIT.

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