CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES
M.S., E., Bayoumi, A., Rofail, M., Moustafa, H. (2006). CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES. EKB Journal Management System, 14(2), 823-833. doi: 10.21608/ajs.2006.15526
El-Zemaity M.S.; A.E. Bayoumi; Mona F. Rofail; Hemat Z. Moustafa. "CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES". EKB Journal Management System, 14, 2, 2006, 823-833. doi: 10.21608/ajs.2006.15526
M.S., E., Bayoumi, A., Rofail, M., Moustafa, H. (2006). 'CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES', EKB Journal Management System, 14(2), pp. 823-833. doi: 10.21608/ajs.2006.15526
M.S., E., Bayoumi, A., Rofail, M., Moustafa, H. CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES. EKB Journal Management System, 2006; 14(2): 823-833. doi: 10.21608/ajs.2006.15526

CROSS RESISTANCE OF DIPEL 2x RESISTANT STRAIN OF PINK BOLLWORM PECTINOPHORA GOSSYPIELLA (SAUND.) TO SOME CONVENTIONAL AND BIOINSECTICIDES

Arab Universities Journal of Agricultural Sciences
Article 21, Volume 14, Issue 2, September 2006, Page 823-833  XML PDF (337.57 K)
Document Type: Original Article
DOI: 10.21608/ajs.2006.15526
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Authors
El-Zemaity M.S.* 1; A.E. Bayoumi1; Mona F. Rofail2; Hemat Z. Moustafa2
1Plant Protection Department, Faculty of Agriculture, Ain Shams University, Shoubra El-Kheima, Cairo, Egypt.
2Plant Protection Research Institute, Agricultural Research Center, Dokki, Giza, Egypt
Abstract
A field strain of pink bollworm Pectinophora gossypiella (Saund.) collected from Sharquia Governorate, Egypt was exposed to the selection pressure of the for-mulation of Bacillus thuringiensis subsp. Kurstaki, Dipel 2x under laboratory condi-tions. Resistance ratio attained 16-fold based on the susceptible strain after 14 gen-erations of selection. Study the response of Dipel 2x resistant strain to some insecti-cides indicated that there is no cross resistance to the conventional insecticides, es-fenvalerate, chlorpyriphos and thiodicarb or the bioinsecticides Ecotech and Agerin. These data may be emphasizing the possibility of rotation the Dipel 2x with these insecticides in pest control program of pink bollworm to manage resistance to Bt products.
Keywords
pink bollworm; selection; Cross resistance; Bacillus thuringiensis; Di-pel 2x
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