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Awadalla, S., El-Syrafi, H., El-Naggar, M., Khalifa, A. (2010). INFLUENCE OF DIFFERENT DIRECTIONS AND LEVELS OF THE POMEGRANATE TREES ON THE WHITEFLY Siphoninus phillyreae (HAL.) AND ITS PARASITOID Encarsia inaron (WALK.) AT KAFER EL-SHEIKH GOVERNORATE, EGYPT. Journal of Plant Protection and Pathology, 1(6), 415-424. doi: 10.21608/jppp.2010.86739
S. S. Awadalla; Hala A. El-Syrafi; M. E. El-Naggar; Amany A. Khalifa. "INFLUENCE OF DIFFERENT DIRECTIONS AND LEVELS OF THE POMEGRANATE TREES ON THE WHITEFLY Siphoninus phillyreae (HAL.) AND ITS PARASITOID Encarsia inaron (WALK.) AT KAFER EL-SHEIKH GOVERNORATE, EGYPT". Journal of Plant Protection and Pathology, 1, 6, 2010, 415-424. doi: 10.21608/jppp.2010.86739
Awadalla, S., El-Syrafi, H., El-Naggar, M., Khalifa, A. (2010). 'INFLUENCE OF DIFFERENT DIRECTIONS AND LEVELS OF THE POMEGRANATE TREES ON THE WHITEFLY Siphoninus phillyreae (HAL.) AND ITS PARASITOID Encarsia inaron (WALK.) AT KAFER EL-SHEIKH GOVERNORATE, EGYPT', Journal of Plant Protection and Pathology, 1(6), pp. 415-424. doi: 10.21608/jppp.2010.86739
Awadalla, S., El-Syrafi, H., El-Naggar, M., Khalifa, A. INFLUENCE OF DIFFERENT DIRECTIONS AND LEVELS OF THE POMEGRANATE TREES ON THE WHITEFLY Siphoninus phillyreae (HAL.) AND ITS PARASITOID Encarsia inaron (WALK.) AT KAFER EL-SHEIKH GOVERNORATE, EGYPT. Journal of Plant Protection and Pathology, 2010; 1(6): 415-424. doi: 10.21608/jppp.2010.86739

INFLUENCE OF DIFFERENT DIRECTIONS AND LEVELS OF THE POMEGRANATE TREES ON THE WHITEFLY Siphoninus phillyreae (HAL.) AND ITS PARASITOID Encarsia inaron (WALK.) AT KAFER EL-SHEIKH GOVERNORATE, EGYPT

Article 11, Volume 1, Issue 6, June 2010, Page 415-424  XML PDF (394.67 K)
Document Type: Original Article
DOI: 10.21608/jppp.2010.86739
Authors
S. S. Awadalla1; Hala A. El-Syrafi1; M. E. El-Naggar2; Amany A. Khalifa2
1Economic Entomology Dept, Faculty of Agriculture, Mansoura Univ.
2Plant Protection Res. Institute, Agric. Research Center, Dokki, Giza
Abstract
Population abundance of the pomegranate whitefly, Siphoninus phillyreae (Haliday) larvae and pupae, the rate of parasitism were studied on pomegranate trees at Kafr El-Sheikh Governorate during 2006 and 2007 seasons. Results indicated that the highest abundance of S. phillyreae larvae and pupae were recorded during August through October in the two season. Encarsia inaron was only the parasitoid emerged from S. phillyreae larvae and pupae during the two successive seasons (2006 and 2007). Highest rate of parasitism occurred in October 48.6% on south direction 2006 season. The overall mean of parasitism on north, south east and west during 2006 were 18.9, 19.9, 12.4 and 15.4% respectively, these rates in 2007 season, were 17.8, 18.5, 15.3 and 19.4% respectively. As for the level, the lower level received the most of larvae and pupae of the pest and their parasitoid. The highest rate of parasitism occurred in October and reached 50.7% on lower level. The overall mean of parasitism was 3.3, 15.7 and 36.1% on upper, middle and lower levels of pomegranate trees during 2006 season, while in 2007 these percentages were 2.1, 16.3 and 34.2% respectively.
Keywords
Siphoninus phillyreae; larvae and pupae; Encarsia inaron
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