Contents: 1. Introductory chapter. 2. Genetic resistance. 3 genetics of stress resistance. 4. Sources of stress resistance. 5. Basis of stress resistance. 6. Mechanisms of stress resistance. 7. Screening techniques for stress resistance. 8. Breeding methods for stress resistance. 9. Transgenic breeding for stress resistance. 10. Breeding for disease and insect resistance. 11. Breeding for drought resistance. 12. Breeding for salinity resistance. 13. Breeding for climate change. 14. Practical achievements.