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Biswa, R., and Mukhopadhyay, A,”Levels of Detoxifying Enzyme (General Esterase and GST) in the Worker and the Soldier Castes of Odontotermes obesus(R.): A Possible Adaptation to Tolerate Exposure to Pesticides”, International Journal of Bio-resource and Stress Management,4(3), 404-407, 2013.

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Article

Evaluation of Efficacy of Three Essential Oils against Odontotermes feae (Isoptera: Termitidae)

1Department of Zoology, Gauhati University, Gauhati University, Guwahati


Journal of Environment Pollution and Human Health. 2018, Vol. 6 No. 2, 68-76
DOI: 10.12691/jephh-6-2-4
Copyright © 2018 Science and Education Publishing

Cite this paper:
Bulbuli Khanikor, Jyotisika Barman, Riju Sarma, Sudarshana Mahanta, Kamal Adhikari. Evaluation of Efficacy of Three Essential Oils against Odontotermes feae (Isoptera: Termitidae). Journal of Environment Pollution and Human Health. 2018; 6(2):68-76. doi: 10.12691/jephh-6-2-4.

Correspondence to: Bulbuli  Khanikor, Department of Zoology, Gauhati University, Gauhati University, Guwahati. Email: khanikorbulbuli@yahoo.co.in

Abstract

efficacy of essential oils from three locally available plants of Assam, India namely Citrus grandis, Citrus paradisi and Cassia fistula were evaluated against the worker group of termite Odontotermes feae Wasmann. Different doses of essential oil were applied by using contact residual toxicity method and LC50 values were recorded after 2h, 4h, and 6h of post treatment. The result revealed highest toxicity of C. grandis with LC50 value 272.36 ppm at 6 h followed by C. paradisi and Cassia fistula with LC50 value 1313.57 ppm and 5537.06 ppm respectively. In all the essential oil treated group of termite the glutathione-S-transferase enzyme activity was found to decrease. Total carbohydrate and protein content was found to significantly decrease in response to LC50 dose of C. grandis and C. paradisi. From the present finding, it can be inferred that the plant essential oil considered for present investigation possess termiticidal properties.

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