| 841 |
Variability of sting acid gland in Egyptian and Carniolan honeybee worker |
1991 |
| 842 |
Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm |
1990 |
| 843 |
Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm |
1990 |
| 844 |
Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm |
1990 |
| 845 |
Evaluation of certain pesticides activity against the cotton whitefly, Bemisia tabaci and associated natural enemies on cotton plants under field conditions in Assiut |
1990 |
| 846 |
Gamma irradiation effects on the biological aspects and ATP-ase activity of Plodia interpunctella (Hubn.) (Phycitidae: Lepidoptera) |
1990 |
| 847 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 848 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 849 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 850 |
Incidence of the greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) on wheat in Upper Egypt |
1990 |