| The species, host plants, harming parts, harming ways and population density of grassland diseases in Deqen County was investigated by the route and sample plot methods. The results showed that a total of 75 host plant diseases were identified in the county, including 5 types of leaf spot, leaf blight, leaf rust, branch blight and mosaic diseases. This paper analyzed the characteristics of diseases occurrence and development in Deqen County, and proposed corresponding control measures. |
