Uji Konsentrasi Ekstrak Daun Tembakau Terhadap Mortalitas Ulat Bawang (Spodop…

ABSTRACT Shallots caterpillar (Spodoptera exigua Hubner) is the main pest that attacks shallot plants. Spodoptera exigua can be controlled using insecticides from tobacco leaves (Nicotiana tabacum L). This research was carried out experimentally using a completely randomized design (RBD) method consisting of 6 treatments and 4 replications, so that 24 experimental units were obtained. Each exp…