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Ghanim, A., Abdel-Salam, A., Emara, S., Radwan, R. (2010). EVALUATION THE RELEASE OF Trichogramma evanescens WEST. FOR CONTROLLING Pectinophora gossypiella (SAUND.) AND Earias insulana (BOISD.) IN COTTON FIELDS AT MANZALA DISTRICT, DAKHLIA GOVERNORATE. Journal of Plant Protection and Pathology, 1(6), 369-375. doi: 10.21608/jppp.2010.86732
A. A. Ghanim; A. H. Abdel-Salam; S. A. Emara; R. M. Radwan. "EVALUATION THE RELEASE OF Trichogramma evanescens WEST. FOR CONTROLLING Pectinophora gossypiella (SAUND.) AND Earias insulana (BOISD.) IN COTTON FIELDS AT MANZALA DISTRICT, DAKHLIA GOVERNORATE". Journal of Plant Protection and Pathology, 1, 6, 2010, 369-375. doi: 10.21608/jppp.2010.86732
Ghanim, A., Abdel-Salam, A., Emara, S., Radwan, R. (2010). 'EVALUATION THE RELEASE OF Trichogramma evanescens WEST. FOR CONTROLLING Pectinophora gossypiella (SAUND.) AND Earias insulana (BOISD.) IN COTTON FIELDS AT MANZALA DISTRICT, DAKHLIA GOVERNORATE', Journal of Plant Protection and Pathology, 1(6), pp. 369-375. doi: 10.21608/jppp.2010.86732
Ghanim, A., Abdel-Salam, A., Emara, S., Radwan, R. EVALUATION THE RELEASE OF Trichogramma evanescens WEST. FOR CONTROLLING Pectinophora gossypiella (SAUND.) AND Earias insulana (BOISD.) IN COTTON FIELDS AT MANZALA DISTRICT, DAKHLIA GOVERNORATE. Journal of Plant Protection and Pathology, 2010; 1(6): 369-375. doi: 10.21608/jppp.2010.86732

EVALUATION THE RELEASE OF Trichogramma evanescens WEST. FOR CONTROLLING Pectinophora gossypiella (SAUND.) AND Earias insulana (BOISD.) IN COTTON FIELDS AT MANZALA DISTRICT, DAKHLIA GOVERNORATE

Article 6, Volume 1, Issue 6, June 2010, Page 369-375  XML PDF (269.7 K)
Document Type: Original Article
DOI: 10.21608/jppp.2010.86732
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Authors
A. A. Ghanim1; A. H. Abdel-Salam1; S. A. Emara2; R. M. Radwan2
1Economic Entomology Dept., Fac. Agric., Mansoura Univ., Egypt.
2Plant Protection Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt.
Abstract
Field experiments were carried out at Manzala district, Dakahlia Governorate during two successively seasons (2008 and 2009) to evaluate the release of egg parasitoid Trichogramma evanescens West. For controlling pink bollworm Pectinophora gossypiella ( Saund) and Spiny bollworm Earias insulana (Boisd) in cotton field. The results showed that the average percentages of infestation by pink and spiny bollworms throughout the whole 2008 season were 2.9% and 5.4% in Trichogramma release area and insecticides treated area respectively. In the second season of study the average percentages of infestation by pink and spiny bollworms throughout the whole season were 2.3% and 5.3% in Trichogramma release area and insecticides treated area respectively. The results revealed that, the average percentages reduction of infestation by the two insect pest were 53.91% in 2008 season and 56.88% in 2009 season. These percentages reduction were achieved due to T. evanescens release. The present results revealed that T. evanescens is a good tool for controlling pink and spiny bollworms in cotton fields.  
 
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