| 661 |
Effect of some volatile oils and scents on honeybee colonies (Apis mellifera L.) in Assiut region, Upper Egypt |
1999 |
| 662 |
Effect of some volatile oils and scents on honeybee colonies (Apis mellifera L.) in Assiut region, Upper Egypt |
1999 |
| 663 |
Effect of temperature on some biological aspects of the cowpea aphid Aphis craccivora (Homoptera, Aphididae) |
1999 |
| 664 |
Incidence of certain insect pests infesting different agricultural conditions |
1999 |
| 665 |
Incidence of certain insect pests infesting different agricultural conditions |
1999 |
| 666 |
Incidence of certain insect pests infesting faba bean lines under different agricultural conditions. |
1999 |
| 667 |
Incidence of certain insect pests infesting faba bean lines under different agricultural conditions. |
1999 |
| 668 |
Incidence of certain insect pests infesting faba bean lines, under different agriculture conditions |
1999 |
| 669 |
Incidence of certain insect pests infesting faba bean lines, under different agriculture conditions |
1999 |
| 670 |
Management of aphid infestation and viral infection in summer squash in Upper Egypt. |
1999 |
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