Principles of Plant Disease Management

1 Introduction to Disease ManagementThe Need for Disease Management Disease Management in Perspective A Guide to Plant Disease Management in Agricultural Systems Selected References 2 DiagnosisIntroduction Systematic Approach to Diagnosis Procedures for Diagnosis of Diseases Induced by Biotic Agents Procedures for Diagnosis of Disorders Induced by Abiotic Influences Concluding Comments Selected References 3 Epidemiology: Dynamics of Interacting Pathogen and Host PopulationsIntroduction Pathogen Reproduction and Epidemic Development Models of Epidemic Development Models and Disease Management Strategies Concluding Comments Selected References 4 Epidemiology: Influence of the Biotic Environment Pathogen-Vector Relationships Aphids Leafhoppers Other Arthropods Nematodes Fungi Nonvector-Pathogen Relationships Concluding Remarks Selected References 5 Effect of the Physical EnvironmentIntroduction Moisture Effects Temperature Effects Chemicals Concluding Comments Selected References 6 Disease Forecasting: Epidemiological ConsiderationsEpidemiological Bases of Disease Forecasts Forecasts Based on Initial Inoculum or Initial DiseaseForecasts Based on Secondary Inoculum Forecasts Based on Both Initial Inoculum and Secondary Cycles Implementation of Disease Forecasts Concluding Comments Selected References 7 Exclusion to Reduce the Amount of Initial InoculumQuarantines Use of Pathogen-Free Propagating Material Cultural Techniques to Suppress Initial Pathogen Populations Concluding Comments Selected References 8 Physical and Chemical Techniques to Suppress Initial DiseaseIntroduction Physical Techniques to Reduce Initial Inoculum Physical Techniques to Suppress the Efficacy of Initial Inoculum Chemical Treatments to Suppress Initial Disease Concluding Comments Selected References 9 BiocontrolIntroduction Natural Biocontrol Introduction of Antagonists Modification of the Environment Conclusions Selected References 10 Plant Resistance: Effects and MechanismsEffects of Plant Resistance on Pathogen Development Epidemiological Efforts of Plant Resistance Problems Attributable to Pathogen Variation Mechanisms of Resistance Concluding Comments Selected References 11 Use of Plant ResistanceResistance That Has a Large Effect Resistance That Has a Small Effect (Rate-Reducing) Use of Resistance to Pathogen Vectors Concluding Comments Selected References 12 Cultural Modifications to Suppress the Rate of Epidemic DevelopmentModification of the Physical Environment Repulsion of Vectors Concluding Comments Selected References 13 Effects of Chemicals in Reducing the Rate of Disease DevelopmentExtent of Chemical Use Factors That Influence the Need for Chemical Application Effects of Chemicals Side Effects of Disease Management Chemicals Application Considerations Chemicals and Society Concluding CommentsSelected References 14 Major Groups and Uses of Chemicals in Suppressing the Rate of Disease DevelopmentInorganic Chemicals Organometallic Fungicides Organic Protectants Organic Systemics Oils and Surfactants Insecticides Concluding Comments Selected References 15 Disease Management in PracticeCelery in Florida Corn in the Midwest Potatoes in the Northeast Peaches in South Carolina Cotton in California Concluding Comments Selected References