Efektivitas Konsentrasi Ekstrak Daun Pepaya Jepang (Cnidoscolus Aconitifolius…

ABSTRACT Rice crop (Oryza sativa L.) is the main food commodity in Indonesia and a source of energy and carbohydrates for the community. However, rice production in several regions including Riau Province, has decreased due to the attack of plant disrupting organisms, especially the brown planthopper (Nilaparvata lugens Stal.) which can cause yield losses of up to 100%. Alternative control…