Main Diseases and Insect Pests of Rape in Qinghai Province and Control Measures

In recent years，at the same time of development of rape industry in Qinghai province，it will often be infested by pests and diseases，which cause serious trouble in Qinghai province，and become main factors affecting yield of rape in Qinghai. It is more and more important to strengthen research of disease and pest control in rape production. The harm and control measures of main diseases and pests of rape in Qinghai province were discussed for reference.