Contents: 1. Agrochemicals in Plant Disease management : current scenario. 2. History and development of agrochemicals. 3. Formulations, application and phytotoxicity of agrochemicals. 4. Classification and modes of action of agrochemicals. 5. Registration and regulation of agrochemicals. 6. Safe handling and use of agrochemicals. 7. Compatibility and persistence of agrochemicals. 8. Pollution and hazards by agrochemicals. 9. New generation fungicides. References. Glossary. Annexures.