Uji Konsentrasi Ekstrak Daun Sirih Hutan (Piper Aduncum L.) Berpelarut Organi…

ABSTRACT Rice is one of the priotity food crop in Indonesia. The main problem faced by rice cultivation is the attack of the brown planthopper (Nilaparvata lugens Stall.). The brown planthopper is one of the most important and feared pest in rice cultivation, because it can cause a decrease in production up to 100% by causing hopperburn symptoms and becoma a desease vector. Botanical pesticide…