Uji Beberapa Konsentrasi Ekstrak Akar Tuba (Derris Elliptica Benth) Untuk Men…

ABSTRACT Spodoptera frugiperda J. E. Smith is the main pest attacking maize crops. The usual control is the use of synthetic insecticides, but the continuous or unwise use of synthetic insecticides will have a negative impact on humans and the environment, therefore an alternative insecticide that is safe and environmentally friendly, such as tuba roots (Derris elliptica Benth) is needed. …