EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.
Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. (2014). EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.. EKB Journal Management System, 5(2), 265-271. doi: 10.21608/jppp.2014.87907
M. Taha; H Abd-El wahab; Hanaa I. Mahmoud; A. Abasse; Inas M. Y. Moustafa. "EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.". EKB Journal Management System, 5, 2, 2014, 265-271. doi: 10.21608/jppp.2014.87907
Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. (2014). 'EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.', EKB Journal Management System, 5(2), pp. 265-271. doi: 10.21608/jppp.2014.87907
Taha, M., Abd-El wahab, H., Mahmoud, H., Abasse, A., Moustafa, I. EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.. EKB Journal Management System, 2014; 5(2): 265-271. doi: 10.21608/jppp.2014.87907

EFFICIENCY OF Coccinella undecimpunctata L.And Chrysoperla carnea (STEPHENS) As BIOLOGICAL CONTROL AGAINST Myzus persicae (SULZER) INFESTING TOMATO PLANTS.

Journal of Plant Protection and Pathology
Article 6, Volume 5, Issue 2, February 2014, Page 265-271  XML PDF (331.76 K)
Document Type: Original Article
DOI: 10.21608/jppp.2014.87907
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Authors
M. Taha1; H Abd-El wahab2; Hanaa I. Mahmoud1; A. Abasse3; Inas M. Y. Moustafa4
1Zool.. Dept. Fac. . Sci(Girls)., Al- Azhar Univ.,Nasr,city Egypt.
2Plant Protection Research Institute Dokki- Giza, Egypt
3* Zool.. Dept. Fac. . Sci(Girls)., Al- Azhar Univ.,Nasr,city Egypt.
4**Plant Protection Research Institute Dokki- Giza, Egypt
Abstract
The obtained relsults showed that, the reduction percentages of Myzus persicae population by releasing the two predators Coccinella. undecimpunctata and Chrysoperla carnea (Stephens )on tomato plants during the two successive seasons,2010 and 2011 , Obtained data confirmed that predators releasing caused reduction percentages on M. persicae population compared with control during two successive seasons The suppression of M. persicae population by three treatments of predators released (C. undecimpunctata and C. carnea), C. carnea  and C. undecimpunctata on tomato plants were (86.0; 82.8; 80.2 and 84.5; 73.0; 77.6%) on 5th days after releasing with three treated for the first season, 2010  and second season 2011, respectively. Then after two weeks from predators released, the reduction percentage reach its maximum (91.2, 86.0 and 89.7 %) and (91.3, 79.7% and 86.5%) for three treated during the two seasons respectively. Generally in all cases the number of aphid insects had been destroyed did not differ between three different treatments, were not significant.  
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