Uji Konsentrasi Ekstrak Akar Tuba (Derris Elliptica Benth) Dengan Pelarut Org…

ABSTRACT Cabbage (Brassica oleracea var. capitata L.) is a horticulture that contains nutrients and plays an important role for human health. The production of cabbage plants in Indonesia fluctuates due to several factors, one of which is the attack of cabbage crop caterpillars (Crocidolomia pavonana F.). Control using synthetic insecticides is the main choice of farmers in controlling C. pa…