Contents: 1. Transgenic plants: an introduction. 2. Identification and isolation of genes. 3. Gene transfer methods. 4. Foreign gene expression in plant. 5. Engineered resistance against fungal pathogens. 6. Engineered resistance against virus diseases. 7. Engineered resistance against bacterial pathogens. 8. Engineered resistance against pest. 9. Engineered resistance against herbicides. 10. Improvement of Rhizobium inoculants by genetic engineering. 11. Plant genetic engineering on foods and nutrition. 12. Safety and public acceptance of transgenic plants. References.