Uji Beberapa Konsentrasi Ekstrak Umbi Gadung (Dioscorea Hispida Dennst) Terha…

ABSTRACT Riau is a lowland rice producing province. One of the pests that can reduce the productivity of lowland rice is the golden snail (Pomacea canaliculata L.). The solution for controlling pests of golden snail (P.canaliculata L.).Uses environmentally friendly control techniques, namely botanical pesticides of gadung tubers. This study aims to obtain a concentration of the extract of …