ISSN 2415-1297 (Online)   ISSN 2415-1300 (Print)
 
             
 
Volume : 27 Issue : 3 Year : 2019
 
Pesticide Chronotoxicity to Insects and Mites: An Overview [Med J Islamic World Acad Sci]
Med J Islamic World Acad Sci. 1995; 8(1): 21-28

Pesticide Chronotoxicity to Insects and Mites: An Overview

N. Mohammed Eesa1, L. K. Cutkomp2
1From Department of Entomology, Faculty of Science, Cairo University, Saudi Arabia.
2From Department of Entomology, University of Minnesota, St. Paul, Minnesota, USA.

Chronotoxicity may be defined as the changes in an organism's sensitivity to toxicants in relation to time. A review of research papers reveals numerous examples of a sensitive period to insecticides and miticides during a 24-hour cycle, or a circadian rhythm of sensitivity. In rare instances bimodal or tri-modal rhythms of susceptibility have been determined. The circadian rhythms of insect sensitivity to toxicants have been related to rhythmic biochemical processes. Thus, behavioral and physiological rhythms might be considered as marker rhythms for the rhythmic patterns of sensitivity to toxicants. However, the circadian peaks of sensitivity may not always be correlated with activity and metabolism. The practical application of the circadian sensitivity to toxins has had limited study and perhaps deserves greater attention.

Keywords: Pesticide chronotoxicity, circadian rhythm, circadian peaks


N. Mohammed Eesa, L. K. Cutkomp. Pesticide Chronotoxicity to Insects and Mites: An Overview. Med J Islamic World Acad Sci. 1995; 8(1): 21-28

Corresponding Author: N. Mohammed Eesa, Saudi Arabia


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