Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt
Hussian, N., El-Sharabasy, H., Aboughalia, A., Soliman, M. (2018). Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt. EKB Journal Management System, 11(4), 83-88. doi: 10.21608/eajbsa.2018.17735
Neivin A.H. Hussian; Hamdy M. El-Sharabasy; Ahmed Aboughalia; Maha F.M. Soliman. "Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt". EKB Journal Management System, 11, 4, 2018, 83-88. doi: 10.21608/eajbsa.2018.17735
Hussian, N., El-Sharabasy, H., Aboughalia, A., Soliman, M. (2018). 'Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt', EKB Journal Management System, 11(4), pp. 83-88. doi: 10.21608/eajbsa.2018.17735
Hussian, N., El-Sharabasy, H., Aboughalia, A., Soliman, M. Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt. EKB Journal Management System, 2018; 11(4): 83-88. doi: 10.21608/eajbsa.2018.17735

Population Fluctuations of The Phytophagous Mite, Oligonychus mangiferus and its Predator on Mango Trees in Ismailia Governorate, Egypt

Egyptian Academic Journal of Biological Sciences. A, Entomology
Article 8, Volume 11, Issue 4, August 2018, Page 83-88  XML PDF (503.7 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2018.17735
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Authors
Neivin A.H. Hussian1; Hamdy M. El-Sharabasy2; Ahmed Aboughalia3; Maha F.M. Soliman3
1Plant protection Research Institute, Agricultural Research Center, Dokki, Egypt
2Plant protection Department, Faculty of Agriculture, Suez Canal University, Ismailia, Egypt.
3Zoology Department, Faculty of Science, Suez Canal University, Egypt
Abstract
Seasonal abundance of the phytophagous mite Oligonychus mangiferus and its predator Amblyseius swirskiiassociated with mango orchard trees was investigated at the experimental farm of the agriculture faculty of the Suez Canal University, Ismailia, Egypt. This study was carried out during two successive years from October 2014 to September 2016. Results showed that the temperature and moisture R.H.% were significantly affected the mean abundanceof the phytophagous mite O. mangiferus and its predator A. swirskiiassociated with mango orchard trees. The highest mean abundance of O. mangiferus was recorded in the summer season (2.96 ± 0.6 indv./leaf) and (1.33 ± 0.05 indv./leaf) for A. swirskii, respectively in the first year (from October 2014 to September 2015). On the other hand, the lowest mean abundance was recorded in the autumn (0.6 ± 0.11) for O. mangiferus, (0.23 ± 0.09 indv./leaf) for A. swirskii.  The mean abundance of  O. mangiferuspopulations  increased to (3.43 ± 0.7 indv./leaf)  in the second year of study in contrast to the populations of its predator. The results stated that the temperature had a significant effect on the population abundance of the phytophagous mite, O. mangiferus and its predator while the relative humidity had a negative effect on both populations.
Keywords
Mites; Oligonychus mangiferus; Amblyseius swirskii; Mango; Temperature; relative humidity; Abundance
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