Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders)
Bakr, R., Refaei, B., Radwan, E., El-Heneady, A. (2016). Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders). EKB Journal Management System, 8(1), 7-19. doi: 10.21608/eajbsf.2016.17129
Reda F. A. Bakr; Baraka M. Refaei; Eman M. M. Radwan; Aliaa A. El-Heneady. "Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders)". EKB Journal Management System, 8, 1, 2016, 7-19. doi: 10.21608/eajbsf.2016.17129
Bakr, R., Refaei, B., Radwan, E., El-Heneady, A. (2016). 'Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders)', EKB Journal Management System, 8(1), pp. 7-19. doi: 10.21608/eajbsf.2016.17129
Bakr, R., Refaei, B., Radwan, E., El-Heneady, A. Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders). EKB Journal Management System, 2016; 8(1): 7-19. doi: 10.21608/eajbsf.2016.17129

Toxicological and Biochemical Effects of Malathion and Spinosad on the Peach Fruit Fly, Bacterorcera zonata (saunders)

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
Article 2, Volume 8, Issue 1, June 2016, Page 7-19  XML PDF (353.01 K)
Document Type: Original Article
DOI: 10.21608/eajbsf.2016.17129
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Authors
Reda F. A. Bakr1; Baraka M. Refaei2; Eman M. M. Radwan3; Aliaa A. El-Heneady3
1-Department of Entomology, Faculty of Science, Ain Shams University, Cairo, Egypt -Department of Biology, Faculty of Science and arts, Baisha University, Baisha, KSA
2Department of Entomology, Faculty of Science, Ain Shams University, Cairo, Egypt
3Institute of Insect Population Research, Toxicology Department, Central Agriculture Pesticides Laboratory, A. R. C, Egypt.
Abstract
Toxicity of Malathion and Spinosad to pupal and adult (male and female) stages of the peach fruit fly, Bacterorcera zonata (Saunders) was investigated in laboratory. The adult stage was more susceptible than pupal stage and adult females were more tolerant than males to effect the two insecticides. Malathion and Spinosad were more effective by using residual thin film( LC50=4.28 & 4.51 and 1.14 & 2.50 ppm for males & females, respectively) than feeding technique (LC50 = 6.40 & 6.49 and 2.83 & 4.13 ppm for males & females, respectively).  The results revealed that the resistance ratio of Spinosad (10.0 &10.9 folds for female & male) in field population was higher than Malathion (5.4 & 4.8 folds for female & male) compared with lab insects. The treatment of lab insects with LC50 of Malathion and Spinosad for five generations produced 16 and 4 folds of resistance ratio. Malathion and Spinosad caused a significant depletion of total protein contents in the whole body tissues of treated and resistant insects. Significant increase in activity of Glutathione-S-Transferase and Acetylch-olinesterase enzymes was detected in treated male & female adults.
Keywords
Aphis craccivora Bemisia tabaci Cross-resistance Malathion; Spinosad
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