Potensi Ekstrak Akar Tuba (Derris eliptica) Untuk Mengendalikan hama Ulat Gra…

Soybean is a cash crop. Factors affecting soybean production is due to pest attack. Pests that attack soybean plants are grayak caterpillar Spodoptera litura F. Control of pests by farmers usually still use synthetic chemical insecticides. One plant that is plant-based insecticide mengadung tuba plant. Plants tube has an active ingredient that is toxic rotenon. This study aims to determine…