[Studies on the effect-increasing components for molluscacides in nut of Areca catech L].

OBJECTIVE: To investigate the effect-increasing action of Areca catech for molluscacide. METHOD: Experiments were conducted on the effect-increasing components isolated from the dry nut of A. catech. RESULT: Arecoline has been proved the most effect-increasing component. CONCLUSION: When used with SPA arecoline could reduce markedly the doses of the two agents.