| 1 | Sustainable agriculture and plant protection | 1 |
| 2 | Economic threshold | 1 |
| 3 | Cultural control | 1 |
| 4 | Genetic control and Biotechnical control strategies | 2 |
| 5 | Biological control | 2 |
| 6 | Chemical control and resistance of insects to insecticides | 2 |
| 7 | Chemical control and resistance of insects to insecticides | 2 |
| 8 | Plant pathogenic abiotic and biotic factors | 1 |
| 9 | Disease triangle and its structural features | 1 |
| 10 | Cultural and biological control of diseases | 1 |
| 11 | Chemical control, fungicides, bactericides | 1 |
| 12 | Chemical control, fungicides, bactericides | 1 |
| 13 | Weed managemnet : mechanical, multural and biological controlweed management practices | 1 |
| 14 | Weed management: chemical control | 1 |