The Potential of Cassia Didymobotrya (Popcorn Cassia) and Cassia fistula L. Golden Shower) Leaf Extract as Organic Pesticides in Eggplant Production


  • Zosimo A. Liberato Research and Extension Office, Ilocos Sur Polytechnic State College, Sta. Maria, Ilocos Sur, Philippines
  • Milagros O. Liberato Graduate School, Ilocos Sur Polytechnic State College, Sta. Maria, Ilocos Sur, Philippines
  • Jonathan De la Cruz College of Agriculture Forestry Engineering and Dev.Com, Ilocos Sur Polytechnic State College


Cassia didymobotrya, Cassia fistula, leaf extracts, pest, Eggplant


The low yield of Eggplant has been the problem of many farmers in the Ilocos Region and in other parts of the country where Eggplant is grown. The common practice of the growers to increase yield is synthetic pesticides that are found a negative effect on nutritive value and fertility of the soil. The search for plant extracts as biopesticides should be explored for the safety of the consumer and the environment. Thus, the study was conducted to determine the potential of Cassia didymobotrya (Popcorn cassia) and Cassia fistula L. (Golden Shower) leaf extract as organic pesticides in  Eggplant production. The experimental area will observe the RCBD consisting of three treatments and three replications. The data gathered was analyzed, calculated, and evaluated using the analysis of variance (ANOVA) for the randomized Complete Block Design. Significant differences were further analyzed using Tukey Kramer Multiple comparison tests at a 0.05 level of significance. Results show that before application of the mixture at the early vegetative stage, mites appeared to be the most number that attack the leaves of the plants and slight attack of Phomopsis blight but when applied with 25ml Cassia didymobotrya and 75 ml Cassia fistula L. mixed with 4 liters of water damage leaf was lesser than other treatments, The same was observed at growth stage mites have lessened their number when treated with the mixture, and Phomopsis blight slowly disappears when the affected leaves are removed that favors the development of flowers and more fruits develop. It can be concluded that Eggplant applied with 25ml Cassia didymobotrya and 75ml Cassia fistula L. with 4 liters of water controls the attack of Phomopsis blight and mites that damage the leaves as well as fruit borer that attack the fruits of eggplant leading to more marketable fruits harvested and higher return on investment. It is recommended that the same mixture be used to verify the validity of the results.


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How to Cite

Zosimo A. Liberato, Milagros O. Liberato, & Jonathan De la Cruz. (2022). The Potential of Cassia Didymobotrya (Popcorn Cassia) and Cassia fistula L. Golden Shower) Leaf Extract as Organic Pesticides in Eggplant Production. International Journal of Natural Sciences: Current and Future Research Trends, 14(1), 80–91. Retrieved from