Contents: 1. Introduction on Plant Diseases 2. Plant Disease Epidemiology 3. Surveillance on Plant Diseases 4. Plant Disease Assessment 5. Plant Disease Forecasting and Models 6. Survival and Dispersal of Plant Pathogens 7. Plant Disease Diagnosis 8. Avoidance and Exclusion of Plant Diseases/Pathogens 9. Eradication of Plant Pathogens 10. Protection Against Plant Diseases 11. Physical Methods of Protection 12. Copper and Sulphur Fungicides 13. Mercury Fungicides, Heterocyclic Nitrogen Compounds, Benzene and Quinones 14. Systemic Fungicides 15. Plant Activators / SAR Inducing Chemicals in Plant Disease Management 16. Methods of Application of Fungicides 17. Biological Control of Plant Diseases 18. Plant Protection Equipments 19. Biotechnological Approaches in Plant Diseases Management 20. Integrated Disease Management Index Bibliography