Toxicity and Antifeedant Activity of Calotropis gigantea L. Leaf Extract Against Plutella xylostella L. (Lepidoptera: Plutellidae)

Many parts of the Calotropis gigantea plant are known to contain bioactive compounds, but leaves most. This study aimed determine toxicity and antifeedant activity C. against Plutella xylostella. The was carried out from November 2019 July 2020. Toxicity tested using leaf dipping spraying methods. Antifeedant a no-choice test choice test. Identification compound composition extract at Integrated Research Testing Laboratory, Gadjah Mada University. Extract data obtained were analyzed by Probit analysis. results showed that with each concentration had significant effect on consumption P. xylostella larvae rations. (LC50) method 2,958 µgl-1 while application 3.944 µgl-1. chemical compounds contained in is saponins, alkaloids, flavonoids, tannins, phenols, terpenoids. With these has potential as source vegetable insecticide