This study aims to determine the effect of neem leaf extract (Azadiractha indica) to eradicate the broen planthopper (Nilaparvata lugens). This type of research is true experiment with Completely Randomized Design (CRD) method. Data analysis used one-way ANOVA test and further tested using probit LC50 analysis with 95% confidence level. The concentrtion of neem (Azadiractha indica) leaves was 1…