Uji Konsentrasi Ekstrak Daun Ketapang (Terminalia Catappa L.) Terhadap Mortal…

ABSTRACT Corn is a food crop that contains lots of carbohydrates, fat and high protein. The decline in corn plant productivity is caused by attacks by plant pests and one of them is the corn armyworm. S. frugiperda attacks parts of corn plants that are growing. The research was carried out experimentally, using a completely randomized design (CRD), consisting of 5 treatments and 5 replications…