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

Oryctes rhinoceros L. is one of the main pests of oil palm plants. The Oryctes rhinoceros pest control of being commonly used is synthetic insecticides. However, its unwise use able to cause negative impacts on humans and the agricultural environment. Therefore, an alternative insecticide that is safer and environmentally friendly is needed, such as tuba root (Derris elliptica Benth.)…