A mathematical model for estimating the LC50 (or LD50) among an insect life cycle
Bakr, R., kamel, A., Sheba, S., Abdel-Haleem, D. (2010). A mathematical model for estimating the LC50 (or LD50) among an insect life cycle. EKB Journal Management System, 3(2), 75-81. doi: 10.21608/eajbsa.2010.15191
Reda F. A. Bakr; Ahmad M. kamel; Sayed A. Sheba; Doaa R. Abdel-Haleem. "A mathematical model for estimating the LC50 (or LD50) among an insect life cycle". EKB Journal Management System, 3, 2, 2010, 75-81. doi: 10.21608/eajbsa.2010.15191
Bakr, R., kamel, A., Sheba, S., Abdel-Haleem, D. (2010). 'A mathematical model for estimating the LC50 (or LD50) among an insect life cycle', EKB Journal Management System, 3(2), pp. 75-81. doi: 10.21608/eajbsa.2010.15191
Bakr, R., kamel, A., Sheba, S., Abdel-Haleem, D. A mathematical model for estimating the LC50 (or LD50) among an insect life cycle. EKB Journal Management System, 2010; 3(2): 75-81. doi: 10.21608/eajbsa.2010.15191

A mathematical model for estimating the LC50 (or LD50) among an insect life cycle

Egyptian Academic Journal of Biological Sciences. A, Entomology
Article 9, Volume 3, Issue 2, December 2010, Page 75-81  XML PDF (392.2 K)
Document Type: Original Article
DOI: 10.21608/eajbsa.2010.15191
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Authors
Reda F. A. Bakr1; Ahmad M. kamel2; Sayed A. Sheba3; Doaa R. Abdel-Haleem1
1Ain Shams University, Faculty of Science, Entomology Department
2German University in Cairo, Mathematics Department
3Ain Shams University, Faculty of Science, Chamistry Department
Abstract
In this study, a mathematical model is made to estimate the median lethal concentration or dose (LC50 or LD50).  The model is based on the data of different insecticide groups, where each one is represented by the effect of three insecticides over different orders of insects by using different application technique. The trend of change of the LC50 or LD50 is observed among the insect life cycle for each group of insecticides. It is shown that for an insecticide group, there is a clear trend for the change of the LC50 (or LD50) when going from an age stage to another. That trend is simulated for each group to predict the LC50 or LD50 at an age stage by knowing it at another stage and method of treatment used.
Keywords
Mathematical Modeling; insecticide groups; LC50; LD50; application technique
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