| 811 |
Effect of insect pollination on quantity and quality of Cumin, Caraway and Anise seeds in Assiut region |
1991 |
| 812 |
Effect of some host plants, as larval diets, on the biology of the greasy cutworm, Agrotis ipsilon (Hufn.) |
1991 |
| 813 |
Evaluation of certain trapping systems for capturing the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera-Tephritidae) in Assiut, Egypt |
1991 |
| 814 |
Evaluation of certain trapping systems for capturing the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera-Tephritidae) in Assiut, Egypt |
1991 |
| 815 |
Field population trends of cereal aphids and their natural enemies on corn plants in Upper Egypt |
1991 |
| 816 |
Field population trends of cereal aphids and their natural enemies on corn plants in Upper Egypt |
1991 |
| 817 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 818 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 819 |
Foraging and pollen gathering of honeybee (Apis mellifera L.) and their relation to weather factors in Assiut region |
1991 |
| 820 |
Influence of temperature on the development of the common green lacewing, Chrysoperla carnea Stephens (Neuroptera: Chrysopidae) |
1991 |
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