| 881 |
Selective toxicity and development of insecticide resistance in Spodoptera littoralis (Boisd.) and Coccinella undecimpunctata L. in Upper Egypt |
1989 |
| 882 |
Study of the effect of some calcium channel blockers and anticonvulsants on the toxicity of chlorpyrifos |
1989 |
| 883 |
The activity of virus vector aphids on cucumbers |
1989 |
| 884 |
The protein quality of bee bread stored in honeybee colonies during active season in Assiut area |
1989 |
| 885 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 886 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 887 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 888 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
| 889 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
| 890 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
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