Penggunaan Konsentrasi Filtrat Rimpang Jahe Merah (Zingiber Officinale Var. R…

ABSTRACT Spodoptera exigua H. is a pest on shallot plants. S. exigua pest control is usually performed using synthetic insecticides, however the unwise of them use can cause negative impacts to humans and the agricultural environment, then necessitating alternative insecticides that are safer and environmentally friendly such as Zingiber officinale var. Rubrum. The putpose of this reseach …