Penggunaan Beberapa Konsentrasi Ekstrak Umbi Gadung (Dioscorea Hispida Dennst…

Food needs rice production (Oryza sativa L.) in Riau Province was lower than the previous year. One of the main constraints of upland rice is one of which is rice bug pest attack (Leptocorisa acuta T.). Eco-friendly pest controls are offered using pestiside botanical of gadung tuber extract (Dioscorea hispida Dennst). The aim of the study was to obtain the concentration of gadung tuber extract …