Uji Efektivitas Ekstrak Umbi Gadung (Dioscorea Hispida Densst.) Terhadap Larv…

ABSTRACT Oil palm (Elaeis guineensis Jacq.) is a leading commodity from the plantation sector which plays an important role in Indonesia. Pest attacks on oil palm plants are an obstacle in oil palm cultivation. Oryctes rhinoceros L. is one of the pests of oil palm plants which can cause a decrease in production of up to 20% - 25% in mature plants and cause death in immature plants. Control…