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  • Title: Bioefficacy of Cassia fistula Linn. (Leguminosae) leaf extract against chikungunya vector, Aedes aegypti (Diptera: Culicidae).
    Author: Govindarajan M.
    Journal: Eur Rev Med Pharmacol Sci; 2009; 13(2):99-103. PubMed ID: 19499844.
    Abstract:
    The leaf extract of Cassia fistula with different solvens viz, methanol, benzene and acetone were studied for the larvicidal, ovicidal and repellent activity against Aedes aegypti. The extract exhibited dose dependent activity and produced significant mortality. The 24 h LC50 concentration of the extract against Aedes aegypti were observed at 10.69, 18.27 and 23.95 mg/l respectively. Mean percent hatchability of the ovicidal activity was observed 120.00 h after treatment. The percent hatchability was inversely proportional to the concentration of extract and directly proportional to the eggs. The crude extract of Cassia fistula shows significant repellency against Aedes aegypti. These results clearly reveal that the crude extract of Cassia fistula served as a potential larvicidal, ovicidal and repellent agent against chikungunya vector mosquito,
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