Mosquito Larvicidal Efficacy of Michelia champaca Seed Extracts Against Culex vishnui
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| Natura: | Recurso digital |
| Lingua: | inglese |
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Zenodo
2025
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| _version_ | 1866902049071824896 |
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| author | Dutta, Manali Chandra, Goutam |
| author_facet | Dutta, Manali Chandra, Goutam |
| contents | <p><strong><span lang="EN-IN">Abstract: </span></strong><span lang="EN-IN">The purpose of the study is to evaluate the larvicidal effectiveness of solvent-based seed extracts from <em>Michelia champaca </em>against the Japanese encephalitis causing rice field mosquito, <em>Culex vishnui</em>. The methanolic extract obtained from <em>Michelia champaca </em>seeds showed potent larvicidal effect. With a regression coefficient value close to 1 in each instance, the rate of mortality was positively correlated with the increasing concentrations of solvent extracts, indicating a clear positive dose-dependent mortality. For the extractive, the lowest LC50 and LC90 values was exhibited to be 63 ppm and 114 ppm, respectively against second instar larvae after 72 hours of exposure in a larvicidal bioassay. For chemical profiling of the methanolic extractive, FT-IR analysis was relied upon. Non target organisms such as <em>Chironomous </em>sp. and <em>Diplonychus </em>sp. were marked safe upon treatment with solvent extract. </span></p> <p><strong><span lang="EN-IN">Keywords:</span><em><span lang="EN-IN"> </span></em></strong><em><span lang="EN-IN">Culex vishnui, </span></em><span lang="EN-IN">FT-IR analysis, Japanese encephalitis, LC50 and LC90, <em>Michelia champaca</em></span></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17553422 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Mosquito Larvicidal Efficacy of Michelia champaca Seed Extracts Against Culex vishnui Dutta, Manali Chandra, Goutam <p><strong><span lang="EN-IN">Abstract: </span></strong><span lang="EN-IN">The purpose of the study is to evaluate the larvicidal effectiveness of solvent-based seed extracts from <em>Michelia champaca </em>against the Japanese encephalitis causing rice field mosquito, <em>Culex vishnui</em>. The methanolic extract obtained from <em>Michelia champaca </em>seeds showed potent larvicidal effect. With a regression coefficient value close to 1 in each instance, the rate of mortality was positively correlated with the increasing concentrations of solvent extracts, indicating a clear positive dose-dependent mortality. For the extractive, the lowest LC50 and LC90 values was exhibited to be 63 ppm and 114 ppm, respectively against second instar larvae after 72 hours of exposure in a larvicidal bioassay. For chemical profiling of the methanolic extractive, FT-IR analysis was relied upon. Non target organisms such as <em>Chironomous </em>sp. and <em>Diplonychus </em>sp. were marked safe upon treatment with solvent extract. </span></p> <p><strong><span lang="EN-IN">Keywords:</span><em><span lang="EN-IN"> </span></em></strong><em><span lang="EN-IN">Culex vishnui, </span></em><span lang="EN-IN">FT-IR analysis, Japanese encephalitis, LC50 and LC90, <em>Michelia champaca</em></span></p> |
| title | Mosquito Larvicidal Efficacy of Michelia champaca Seed Extracts Against Culex vishnui |
| url | https://doi.org/10.5281/zenodo.17553422 |