Larvicidal Efficacy of Fruit Peel Extracts of <i>Citrus maxima</i> against <i>Culex quinquefasciatus</i>
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Bibliographic record
Abstract
Crude, and three different solvents, viz., n- hexane, ethyl acetate, and methanol fruit peel extracts of Citrus maxima Merr. ( C. maxima ) were applied at dose dependent manner for larvicidal bioassay against Culex quinquefasciatus Say, 1823 ( Cx. quinquefasciatus ) mosquito. All instars larvae were used for larvicidal bioassay of crude fruit peel extract and only 3 rd instar larvae were used for larvicidal bioassay of different solvent extracts. Log-probit analyses along with Regression equations and R 2 values were determined for larvicidal activity of both crude and different solvent extracts. An ANOVA analysis was carried out to justify the statistical significance. Qualitative phytochemical analyses were done. n-Hexane fruit peel extract was also applied on non target organisms. Crude fruit peel extract of C. maxima showed strong lethal activity against all instars larvae of Cx. quinquefasciatus . 1 st instar larvae were most susceptible to crude fruit peel extract. 1 st instar larvae showed 100% mortality only at 0.2% concentration of crude fruit peel extract after 72 h of exposure. 100% mortality of 3 rd instar larvae were observed at 400 ppm concentration of n-hexane fruit peel extract after 24 h of exposure whereas, ethyl acetate and methanol fruit peel extracts showed 100% mortality at 800 ppm concentration after 72 and 24 h of exposure respectively. LC 50 values of n-hexane, ethyl acetate and methanol fruit peel extracts were 204.60, 640.95, and 336.36 ppm, respectively against 3 rd instar larvae after 24 h of exposure. No mortality was observed on control treatments. Fruit peel extract contained different phytochemical constituents. Non-target organisms did not show any abnormal activity and mortality.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.008 | 0.004 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.003 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it