HERBICIDAL COMPOSITION FOR WEED COMPRISING OF EXTRACTS FROM LYCORIS CHINENSIS TRAUB VAR. SINUOLATA AS AN EFFECTIVE INGREDIENT

摘要

PURPOSE: A herbicidal composition containing plant-derived extract is provided to replace with organic synthetic agricultural chemical. CONSTITUTION: A herbicidal composition contains Lycoris chinensis extract as an active ingredient. The Lycoris chinensis extract contains galanthamine as an active ingredient. A method for producing the Lycoris chinensis extract comprises: a step of drying Lycoris chinensis; a step of pulverizing Lycoris chinensis and adding 70% methanol for 12 hours; a step of filtering with Whatman No.2 filter paper; and a step of decompressing at under 40°C.