Uji Beberapa Konsentrasi Ekstrak Tepung Daun Sirsak (Annona Muricata L.) Meng…

ABSTRACT This research aims to obtain a concentration of soursop leaf flour extract which is effective to control the larvae of Oryctes rhinoceros L. The research was conducted at the Plant Pest Laboratory, Faculty of Agriculture, Riau University. The research was conducted for two months from April 2019 to May 2019. The research was conducted experimentally using a completely randomized d…