Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt
Abd El-Gawad, H., El-Zoghbey, A. (2009). Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt. EKB Journal Management System, 2(1), 83-87. doi: 10.21608/eajbsa.2009.15456
Hany A. S. Abd El-Gawad; Amal A. A. El-Zoghbey. "Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt". EKB Journal Management System, 2, 1, 2009, 83-87. doi: 10.21608/eajbsa.2009.15456
Abd El-Gawad, H., El-Zoghbey, A. (2009). 'Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt', EKB Journal Management System, 2(1), pp. 83-87. doi: 10.21608/eajbsa.2009.15456
Abd El-Gawad, H., El-Zoghbey, A. Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt. EKB Journal Management System, 2009; 2(1): 83-87. doi: 10.21608/eajbsa.2009.15456

Use the Coccinella undecimpunctata L. for controlling Aphis gossypii Glover and Myzus persicae (Sulzer) on cucumber in Egypt

Egyptian Academic Journal of Biological Sciences. A, Entomology
Article 10, Volume 2, Issue 1, June 2009, Page 83-87  XML PDF (732.44 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2009.15456
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Authors
Hany A. S. Abd El-Gawad; Amal A. A. El-Zoghbey
Biological Control Research Dept., Plant Protection Research Institute, A.R.C., Dokki, Giza, Egypt.
Abstract
 Three rates of Coccinella undecimpunctata L. (Coleoptera: Coccinellidae) stages release in cucumber field for controlling Aphis gossypii Glover and Myzus persicae (Sulzer)(Hemiptera: Aphididae) was repeated 4 times at 15-day intervals. The tested rates were 12000 predator larvae/ feddan/releases,6000 predator adults/feddan/releases and combinationof 6000 larvae and 3000 adults/feddan/releases. The releases were conducted during 2007 and 2008 at a location in Qalubia Governorate. This release indicated the potential use of this predator to control the targeted aphis on cucumber. Reduction in aphids' populations and subsequent yields were significant. Highest reduction and yield gain was observed when combinationlarvae and adults were released.
Keywords
Coccinella undecimpunctata; Aphis gossypii; Egypt
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