Zoysia Willd. is an acknowledged excellent turfgrass over the world, which is used widly in China, Japan, Korea and transition band of America. Rust is a main disease on Zoysia Willd., it can destroy lawn sight and uredinia stain shoes and clothes of individuals walking on zoysia rust affected turf, even made people hypersusceptibility. Pesticide is used to control rust on turfgrass regularly at present, but this measure is not only bad to people's health, but also pollutes environment. It is very important...