SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES
EL-SAADANY, G., EL-HAKIM, A., EL-ABBASSI, T., EL-SHOUNY, K. (1994). SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES. EKB Journal Management System, 72(3), 665-676. doi: 10.21608/ejar.1994.452080
GAMEL B. EL-SAADANY; AUDA M. EL-HAKIM; TALAL S. EL-ABBASSI; KAMAL Y. EL-SHOUNY. "SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES". EKB Journal Management System, 72, 3, 1994, 665-676. doi: 10.21608/ejar.1994.452080
EL-SAADANY, G., EL-HAKIM, A., EL-ABBASSI, T., EL-SHOUNY, K. (1994). 'SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES', EKB Journal Management System, 72(3), pp. 665-676. doi: 10.21608/ejar.1994.452080
EL-SAADANY, G., EL-HAKIM, A., EL-ABBASSI, T., EL-SHOUNY, K. SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES. EKB Journal Management System, 1994; 72(3): 665-676. doi: 10.21608/ejar.1994.452080

SEASONAL ABUNDANCE AND FLUCTUATION OF CERTAIN SCALE INSECTS IN CITRUS ORCHARDS AT QUALUBIA AND FAYOUM GOVERNORATES

Egyptian Journal of Agricultural Research
Volume 72, Issue 3, September 1994, Pages 665-676    PDF (3.19 M)
Document Type: Original Article
DOI: 10.21608/ejar.1994.452080
Authors
GAMEL B. EL-SAADANY1; AUDA M. EL-HAKIM2; TALAL S. EL-ABBASSI2; KAMAL Y. EL-SHOUNY2
1Faculty of Agriculture, Ain-Shams University, Egypt
2Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
Some biological and ecological aspects of certain scale insects in citrus orchards at Qualubia and Fayoum governorates are reported. The dominant scale insect in Qualubia is Lepidosaphes beckii while in Fayoum is Aonidiella aurantii. Both scale insects have four generations per year. Climatic conditions have great infleunce on population variability and dis­tribution. Generally, the scale insects (either adult or nymph) prefer the central part of the tree especially in spring and summer seasons.
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