1.

Influence of Fertilization and Plant Density on Population of some Maize Insect Pests and Yield

Pages 403-411
Magda H. Naroz; H. H. Mahmoud; Soheir F. Abd El-Rahman
2.

Genetic Variability, Insect and Disease Resistance of some Promising Rice Genotypes

Pages 413-421
Marvet M. Awadallah; A. S. Taha; A. M. Tahoon
3.

Some Ecological Aspects of some Piercing-Sucking Pests Infestation on Four Vegetable Marrow Varieties in Relation to their Histological Features and their Control and Evaluation of Yield

Pages 423-429
Sara E. El-Deeb; Maha S. El-Ghannam; Pansea A. Azzam
4.

Stability Study of some Fungicides and their Relevant Impurities in some Environmental Conditions

Pages 431-436
A. S. O. Seloma
5.

Different Methods for Detection and Diagnosis of Tomato Spotted Wilt Tospovirus Infection of some Cucurbit Host Plants and its Main Vector of Thrips Species in Field and Greenhouse in Egypt

Pages 437-442
Elham A. Khalifa; Seham S. Moursy; E. M. Risha
6.

Field and Laboratory Study to Compare the Effect of some Compounds on Tetranychus urticae (Koch) and Tetranychus cucurbitacearum (Sayed) on Soybean Plants

Pages 443-446
H. A. Abd El-Rahman; A. A. Farag