Uji Beberapa Konsentrasi Ekstrak Biji Bintaro (Cerbera Manghas L.) Untuk Meng…

ABSTRACT Upland rice plants (Oryza sativa L.) is a very important commodity in Indonesia because it is the main source of carbohydrates for the community. One of the main problems of Upland Rice Plant cultivation is the attack of the weevil (Leptocorisa acuta). L. acuta pest control is carried out by farmers using synthetic insecticides. This can cause resistance, recurrence, emergence of seco…