Contents: 1. Mycology. 2. Bacteriology. 3. Virology. 4. Measurement of Plant Diseases. 5. Laboratory Equipments. 6. Diseases of Field Crops. 7. Diseases of Vegetables. 8. Diseases of Flowers. 9. Diseases of Fruits. 10. Diseases of Spices. 11. Quarantine and Inspection. 12. Principles of Plant Disease Management. 13. Integrated Disease Management (IDM). 14. Defense Mechanisms. 15. Plant Disease Epidemiology. 16. Plant Disease Forecasting Terminology.