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

One ingredient is that prevent shady and cool-disaster of season grass and the manufacturing method of extract to be arranged to be that environmental protection without pesticide causes to be covered with suddenly the bacillus of the brown patch of article lawn plant with being effectively removed to brown patch. Snowbell paddle fruit, an ingredient of the brown patch of the disaster for preventing shady and cool-season grass include meat as an active component and extract. One manufacturing method of extract includes the following steps:: drying meat 48~72 hours of snowbell paddle fruit are with 60~80 degrees Celsius; The dry meat of production is to powder; Digested tankage end weight ratio and 1 solvent 250~500g of solvent in mix digested tankage end 50~100g: 5, leave mixture 24~48 hours at room temperature and filter it.