| 891 |
Selective toxicity and development of insecticide resistance in Spodoptera littoralis (Boisd.) and Coccinella undecimpunctata L. in Upper Egypt |
1989 |
| 892 |
Study of the effect of some calcium channel blockers and anticonvulsants on the toxicity of chlorpyrifos |
1989 |
| 893 |
The activity of virus vector aphids on cucumbers |
1989 |
| 894 |
The protein quality of bee bread stored in honeybee colonies during active season in Assiut area |
1989 |
| 895 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 896 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 897 |
Thermal requirements of the various developmental stages of the spiny bollworm Earias insulana Boisd. (Lepidoptera: Noctuidae) |
1989 |
| 898 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
| 899 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
| 900 |
Toxicity, repellency and residual effect of alcoholic and aqueous extracts of “propolis” against Callosobruchus maculatus, Fab |
1989 |
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