Karren Grace V. Suresca, Eunice V. Tiongco (February 2000)
Philippine Science High School Western Visayas Campus – Department of Science and Technology (DOST-PSHS WVC), Brgy. Bito-on, Jaro, Iloilo City 5000, Philippines
ABSTRACT
The study aimed to find out if an effective mosquito insecticidal candle from neem leaf extract is feasible. It was hypothesized that there is no significant difference in the effectiveness of mosquito insecticidal candle in different concentrations. The statistical tools used in this study were the mean, t-test, One-Way Analysis of Variance (ANOVA), and the Scheffe’s Multiple Range Test. The mean was used as descriptive statistics while the One-Way ANOVA set at 0.05 alpha level of significance was used as post hoc multiple comparison test.
Results showed that the mosquito insecticidal candle from neem leaf extract was a very effective insecticide when the neem concentration was 60% because there was a significant difference between this concentration and the control. It also showed that there was a significant difference in the effectiveness of the 20& neem concentration and the 60% neem concentration, while there was no significant difference in the effectiveness of the 20% neem concentration and the 40% neem concentration, and between the 40% neem concentration and the 60% neem concentration. It was also concluded that while the mosquito insecticidal candle was effective both at the 40% and 60% neem concentration, it was most effective when the neem concentration is 60%.