COMPOSITION FOR PREVENTION OF BREEDING OF BROWN PATCH IN COOL SEASON GRASSES CONTAINING STYRAX JAPONICA FRUIT FLESH EXTRACT AND BIOLOGICAL CONTROL METHOD USING THE SAME

摘要

A composition for brown patch preventing from disaster of cool-season grass and manufacturing method of the extracts are provided to be environment-friendly without agricultural chemical and to remove effectively cause bacillus of the brown patch breaking out in the paper lawn grass. A composition for brown patch preventing from disaster of cool-season grass includes flesh extracts of snowbell berries as an active ingredient. A manufacturing method of the extracts comprises steps of: drying flesh of the snowbell berries for 48~72 hours in 60~80 °C; producing the dried flesh to powder; and mixing the flesh powder 50~100g in solvent 250~500g at weight ratio of the flesh powder and the solvent of 1 : 5, leaving the mixture for 24~48 hours in room temperature and filtering it.