| 851 |
Effect of certain cultural practices on the infestation level of potato plants by the eggplant stem borer and potato tuberworm |
1990 |
| 852 |
Evaluation of certain pesticides activity against the cotton whitefly, Bemisia tabaci and associated natural enemies on cotton plants under field conditions in Assiut |
1990 |
| 853 |
Gamma irradiation effects on the biological aspects and ATP-ase activity of Plodia interpunctella (Hubn.) (Phycitidae: Lepidoptera) |
1990 |
| 854 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 855 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 856 |
Incidence and dominance of arthropods associated with Roselle, Caraway and Coriander plants in Upper Egypt |
1990 |
| 857 |
Incidence of the greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) on wheat in Upper Egypt |
1990 |
| 858 |
Incidence of the greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) on wheat in Upper Egypt |
1990 |
| 859 |
Influence of potato varieties, nitrogen fertilization and plant growth regulators on the infestation level of Myzus persicae in potato fields |
1990 |
| 860 |
Influence of potato varieties, nitrogen fertilization and plant growth regulators on the infestation level of Myzus persicae in potato fields |
1990 |
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