Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay
Moustafa, F., Attia, M., Shawir, M. (2001). Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay. EKB Journal Management System, 9(1), 1-18. doi: 10.21608/jpces.2001.459685
Fathia I. Moustafa; Manal A. Attia; Mohamed S. Shawir. "Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay". EKB Journal Management System, 9, 1, 2001, 1-18. doi: 10.21608/jpces.2001.459685
Moustafa, F., Attia, M., Shawir, M. (2001). 'Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay', EKB Journal Management System, 9(1), pp. 1-18. doi: 10.21608/jpces.2001.459685
Moustafa, F., Attia, M., Shawir, M. Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay. EKB Journal Management System, 2001; 9(1): 1-18. doi: 10.21608/jpces.2001.459685

Monitoring for resistance in two field strains of Bemisia spp. trough bioassay and biochemical assay

Journal of Pest Control and Environmental Sciences
Volume 9, Issue 1, April 2001, Pages 1-18    PDF (570.34 K)
Document Type: Original Article
DOI: 10.21608/jpces.2001.459685
Authors
Fathia I. Moustafa1; Manal A. Attia2; Mohamed S. Shawir* 1
1Pesticide Chemistry Department, Faculty of Agriculture, Alexandria University
2Central Pesticide Laboratory, Agriculture Research Center, Alexandria
Abstract
Monitoring for resistance through bioassay: The susceptability of two field strains ofwhiteflies Bemisia spp. to representatives of the unin insecticidal groups were conQared to study the development of resistance in Bemisia SOD. field D0Dulations. The susceotibilitv tests were done according to (Prabhaker et al., 1985). The results revealed that, ElBehüa field strain of Bamisia spp. was more tolerant to the tested organophosphate and carbamate insecticides than Abees one. The highest level of resistance was obtained for thiodicarb (R/R = 10.53) followed by profenofos, methomyl, pyrimiphos-methyl and chlorpyrifos. Conceming a laboratory-susceptible strain as a reference, the results reveled that Abees and El-Beheira field strains were tolerant or resistant to most of the tested insecticides except for deltamethrin. For the Abees strain the highest level of resistance was obtained for malathion (R/R = 16.85) followed by pirimiphos-methyl, profenofos, nEthomyl and cypermethrin, while for El-Beheira strain the highest level of resistance was obtained for profenofos (R/R = 45.17) followed by malathion, pirimiphos-methyl and methomyl. Moreover, the field strains ofBemisia spp. showed low or no level of tolerance to the tested synthetic pyrethroids. Generally, ElBeheira field strain was more tolerant or resistant to the tested organophosphates and carbamates compared with Abess field strain or the laboratory-susceptible one.
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