Please use this identifier to cite or link to this item:
http://nopr.niscpr.res.in/handle/123456789/20950| Title: | Larvicidal activity of Ocimum gratissimum and Solenostemon monostachyus leaves on Anopheles gambiae |
| Authors: | Chukwura, E I Iheukwumere, I |
| Keywords: | Anopheles gambiae larvae;Larvicidal activity;Leaves;Ocimum gratissimum;Solenostemon monostachyus |
| Issue Date: | Sep-2013 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | This study presents larvicidal activity of Ocimum gratissimum and Solenostemon monostachyus leaves’ extracts on Anopheles gambiae. Leaves contain alkaloids, saponins, phenolics, tannins, essential oils, lectins, glycosides and phytic acid. Larvicidal activity was determined by subjecting Anopheles gambiae larvae to different concentrations (12.5, 23.50, 100 and 200 ppm) of acetone and aqueous extracts of leaves using in vitro method at room temperature for 72 h exposure. Mortalities were respectively 85% and 45% for acetone and aqueous leaves’ extracts of O. gratissimum and 100% and 50% for acetone and aqueous leaves’ extracts of S. monostachyus. LC50 were respectively 52 ppm and 232 ppm for acetone and aqueous leaves’ extracts of O.gratissimum and 28 ppm and 200 ppm for acetone and aqueous leaves’ extracts of S. monostachyus. Leaves of S. monostachyus exhibited higher toxicity than leaves of O. gratissimum. Acetone extracts were more potent than aqueous extracts and tested significant at P< 0.05. Lethal activities were found to be dose dependent. |
| Page(s): | 577-580 |
| ISSN: | 0975-1084 (Online); 0022-4456 (Print) |
| Appears in Collections: | JSIR Vol.72(09-10) [September-October 2013] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| JSIR 72(9-10) 577-580.pdf | 53.36 kB | Adobe PDF | View/Open |
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