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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 10, Issue 3, April 2014 pp 483-485

Research Article

Effect of Organophosphate Pesticide “Methyl Parathion” and “Phorate” on Earthworm Central Nervous System


Rajashree1, P. Mhamane2, Pushpa Reddy3

1,2M. Sc. Student, 3Faculty, Indian Academy Degree College, Bangalore-56043, Karnataka, INDIA.

Academic Editor : Dr. Aher K.R.



The research work compiles of collecting earthworm’s species Eudrilus eugeniae and to study the effect of widely used organophosphate pesticides namely- ‘methyl parathion’ and ‘phorate’ on adult earthworms. The sub-lethal concentration of the pesticide was used to assess its effect on nervous system through histopathological study. Cholinesterase is used as potential biomarker. With the help of stereo research microscope and stage micrometer the CNS was studied and microphotographs were taken. Research work indicates that methyl parathion and phorate acts as neurotransmitter inhibitor and has disastrous effect.