Uji Konsentrasi Ekstrak Daun Sungkai (Peronema Canescens Jack) Berpelarut Org…

ABSTRACT Shallot plants (Allium ascalonicum Linn.) are widely used in cooking and traditional medicine. However, production in Riau Province is unstable, partly due to pest attacks, especially S. exigua, which damages leaves and reduces yield. Botanical pesticides are recommended for control to avoid the negative effects of chemical pesticides.One potential plant for botanical pesticide produc…