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EL-SAADANY, G., RADWAN, S., ABDEL-HAMID, Z., ROMEILAH, M. (1999). THE TRIANGLE RELATIONSHIP BETWEEN KEY PESTS, RELATED BIOLOGICAL AGENTS AND SPECIFIC CHEMICALS AS FACTORS GOVERNING THE COTTON IPM PROGRAMME.. Egyptian Journal of Agricultural Research, 77(2), 559-574. doi: 10.21608/ejar.1999.331402
GAMEL B. EL-SAADANY; SAMER M. E. RADWAN; ZEDAN H. ABDEL-HAMID; MOHAMED A. ROMEILAH. "THE TRIANGLE RELATIONSHIP BETWEEN KEY PESTS, RELATED BIOLOGICAL AGENTS AND SPECIFIC CHEMICALS AS FACTORS GOVERNING THE COTTON IPM PROGRAMME.". Egyptian Journal of Agricultural Research, 77, 2, 1999, 559-574. doi: 10.21608/ejar.1999.331402
EL-SAADANY, G., RADWAN, S., ABDEL-HAMID, Z., ROMEILAH, M. (1999). 'THE TRIANGLE RELATIONSHIP BETWEEN KEY PESTS, RELATED BIOLOGICAL AGENTS AND SPECIFIC CHEMICALS AS FACTORS GOVERNING THE COTTON IPM PROGRAMME.', Egyptian Journal of Agricultural Research, 77(2), pp. 559-574. doi: 10.21608/ejar.1999.331402
EL-SAADANY, G., RADWAN, S., ABDEL-HAMID, Z., ROMEILAH, M. THE TRIANGLE RELATIONSHIP BETWEEN KEY PESTS, RELATED BIOLOGICAL AGENTS AND SPECIFIC CHEMICALS AS FACTORS GOVERNING THE COTTON IPM PROGRAMME.. Egyptian Journal of Agricultural Research, 1999; 77(2): 559-574. doi: 10.21608/ejar.1999.331402

THE TRIANGLE RELATIONSHIP BETWEEN KEY PESTS, RELATED BIOLOGICAL AGENTS AND SPECIFIC CHEMICALS AS FACTORS GOVERNING THE COTTON IPM PROGRAMME.

Article 6, Volume 77, Issue 2, March 1999, Page 559-574  XML PDF (3.56 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1999.331402
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Authors
GAMEL B. EL-SAADANY1; SAMER M. E. RADWAN2; ZEDAN H. ABDEL-HAMID1; MOHAMED A. ROMEILAH2
1Faculty of Agriculture, Ain-Shams University, Cairo, Egypt
2Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
The present field study was carried out at Sharkia Governorate during two successive cotton growing seasons. Weekly samples of the predatory fauna were collected from cotton fields treated by phero­mones throughout and compared with the corresponding fauna collected from insecticide treated cotton fields. Samples were taken from cotton fields before the application of either pheromone or insecticide. The data reveal the reliable occurrence of six predators groups namely Scymnus spp., Onus app., Paederus alfie­rii, Coccinella undicimpunctata, Chrysopa carries and Syrphus spp. in cot­ton fields during the two tested seasons. The obtained results confirmed that predator densities were three times more numerous in the phero­mone treated fields than the corresponding cotton fields treated with recommended insecticides.
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