Kombinasi Ekstrak Biji Mahoni Dan Daun Pepaya Untuk Mengendalikan Ulat Grayak…

ABSTRACT Development of industrial plantation forest, especially in Sumatra Acacia crassicarpa species, to meet the raw material requirements of the pulp and paper. Acacia crassicarpa nursery especially those at PT RAPP Estate Pelalawan, pest attacks were found of Spodoptera litura F. Chemical pesticides are often used to control these pests. But it has many negative effects, alternative contr…