COMPOSITION COMPRISING MENADIONE BASED COMPOUND FOR ENHANSING CONTROL OF HARMFUL ALGAE, AND METHOD FOR CONTROLLING HARMFUL ALGAE USING THE SAME

摘要

PURPOSE: A composition for controlling harmful algae is provided to selectively suppress growth to harmful algae such as bluegreen algae and red tide. CONSTITUTION: A composition for controlling harmful algae comprises: a compound selected from menadione, menadione sodium bisulphate, or juglone; and plant extract containing one or more anthraquinone compound of the chemical formula 1. The anthraquinone compound is selected from chrysphanol, emodin, rhein, physcion or aloe-emodin.