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M., F., Abou-Attia, F., Metwally, M., Ismail, M. (2011). EFFICIENCY OF INSECTICIDE ,BIOCIDE AND RELEASE OF Trichograma evanescens WEST WOOD IN REDUCING COTTON BOLLWORMS INFESTATION AT KAFR EL-SHEIKH.. Journal of Plant Protection and Pathology, 2(8), 749-756. doi: 10.21608/jppp.2011.86521
F. M. M.; F. A. Abou-Attia; M . M . Metwally; M. M. Ismail. "EFFICIENCY OF INSECTICIDE ,BIOCIDE AND RELEASE OF Trichograma evanescens WEST WOOD IN REDUCING COTTON BOLLWORMS INFESTATION AT KAFR EL-SHEIKH.". Journal of Plant Protection and Pathology, 2, 8, 2011, 749-756. doi: 10.21608/jppp.2011.86521
M., F., Abou-Attia, F., Metwally, M., Ismail, M. (2011). 'EFFICIENCY OF INSECTICIDE ,BIOCIDE AND RELEASE OF Trichograma evanescens WEST WOOD IN REDUCING COTTON BOLLWORMS INFESTATION AT KAFR EL-SHEIKH.', Journal of Plant Protection and Pathology, 2(8), pp. 749-756. doi: 10.21608/jppp.2011.86521
M., F., Abou-Attia, F., Metwally, M., Ismail, M. EFFICIENCY OF INSECTICIDE ,BIOCIDE AND RELEASE OF Trichograma evanescens WEST WOOD IN REDUCING COTTON BOLLWORMS INFESTATION AT KAFR EL-SHEIKH.. Journal of Plant Protection and Pathology, 2011; 2(8): 749-756. doi: 10.21608/jppp.2011.86521

EFFICIENCY OF INSECTICIDE ,BIOCIDE AND RELEASE OF Trichograma evanescens WEST WOOD IN REDUCING COTTON BOLLWORMS INFESTATION AT KAFR EL-SHEIKH.

Article 3, Volume 2, Issue 8, August 2011, Page 749-756  XML PDF (376.78 K)
Document Type: Original Article
DOI: 10.21608/jppp.2011.86521
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Authors
F. M. M.1; F. A. Abou-Attia1; M . M . Metwally2; M. M. Ismail2
1Econ. Entomol. Dept., Fac. Agric., Kafrelsheikh Univ.
2Plant Prot. Dept., Sakha Agric. Res. St., Agric. Res. Cent.
Abstract
This study  was carried out at the Farm of Sakha Agricultural Research Station, Kafr El-Sheikh governorate during three successive seasons; 2008, 2009 and 2010 for assessing some agents for controlling the cotton bollworms, Pectinophora gossypiella (Saund.) and Earias insulana (Boisd.) Result showed that the most efficient insecticide against P. gossypiella larvae was sumi-alpha withe reduction  80.9, 78.7 and 79.9% in the first spray  while in the second spray  the reduction were 82.1, 85.2 and 83.7% in the three seasons of study, 2008, 2009, 2010 respectively Biovar and protecto were the least effective compounds in controlling this pest. As for Earias insulana larval population took almost the same trend with sumi-alpha while biovar and protecto were the least effective. Releasing trichograma  evanescence West wood  in two waves  gave reduction for P. gossypiella and Earias insulana larvae with ranges of 31.7- 44.8 and   23.3 -36.7 % respectively .
 
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