Mahmoud, M., El-Khawass, K., Hammad, S., Ali, M. (2017). Effect of Temperature, Relative Humidity and Natural Enemies on some Insect Pests Infesting Faba Bean Plants at El-Monofia Governorate. Journal of Plant Protection and Pathology, 8(9), 447-451. doi: 10.21608/jppp.2017.46375
M. A. Mahmoud; K. A. El-Khawass; S. A. Hammad; M. I. Ali. "Effect of Temperature, Relative Humidity and Natural Enemies on some Insect Pests Infesting Faba Bean Plants at El-Monofia Governorate". Journal of Plant Protection and Pathology, 8, 9, 2017, 447-451. doi: 10.21608/jppp.2017.46375
Mahmoud, M., El-Khawass, K., Hammad, S., Ali, M. (2017). 'Effect of Temperature, Relative Humidity and Natural Enemies on some Insect Pests Infesting Faba Bean Plants at El-Monofia Governorate', Journal of Plant Protection and Pathology, 8(9), pp. 447-451. doi: 10.21608/jppp.2017.46375
Mahmoud, M., El-Khawass, K., Hammad, S., Ali, M. Effect of Temperature, Relative Humidity and Natural Enemies on some Insect Pests Infesting Faba Bean Plants at El-Monofia Governorate. Journal of Plant Protection and Pathology, 2017; 8(9): 447-451. doi: 10.21608/jppp.2017.46375
Effect of Temperature, Relative Humidity and Natural Enemies on some Insect Pests Infesting Faba Bean Plants at El-Monofia Governorate
Department of Plant Protection, Faculty of Agriculture, Al-Azahr University, Cairo Egypt
Abstract
Results were indicated that the population fluctuation of Aphid craccivora kock. and the Thrips tabaci were higher during (2012-2013 season) than the second season (2013-2014). The statistical analysis of simple correlation and partial regression showed that a positive significant relationship between the daily mean of temperature and relative humidity and aphid A. craccivora population in the two successive seasons (2012-2013 and 2013-2014). The relationship between the predators Green lacewing Chrysoprla carnea (Steph), Hover fly Metasyrphus Corrollae and the pest population were negative significant. The partial regression significant were negative significant relation between C. carnea and the pest population while the partial regression cleared that a positive significant relationship between M. corollae with A. craccivora in both seasons. The simples correlation indicated that a positive significant relationship between each of the daily mean temperature and the relative humidity and Thrips tabaci while the partial regression coefficient and the relationship were negative in the two successive seasons. The relationship between the Green lacewing C. carnea and hover fly M. corrollae and Thrips tabaci were negative significant. The partial regression values were insignificant in (2012-2013) but positive significant in (2013-2014) seasons for C. carnea but the partial regression values of M. corrollae were significant in the two successive seasons.
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