Uji Konsentrasi Ekstrak Daun Suren (Toona Sureni Merr) Terhadap M Ortalitas U…

ABSTRACT Corn is a type of seed plant that contains high carbohydrates after rice. Corn is used as a staple food in several regions in Indonesia, besides that corn can be used for animal feed and industrial raw materials. Efforts to increase corn production are still experiencing problems such as the attack of Spodoptera frugiperda J.E. Smith which can cause yield losses of 15-73% if the plant…