分枝列当是分布于新疆的根部寄生性杂草,近年来在甜瓜、西瓜和加工番茄等重要经济作物上严重发生,造成严重的经济损失。通过适生性分析和风险评估明确了分枝列当在新疆属于高度危险性接近特别危险的农业有害生物,因此,需要加强检疫管理和疫情防治,严防其进一步扩散。 Branches when it is distributed in Xinjiang root parasitic weeds, melons, watermelons and processed tomatoes and other important economic crops serious, causing serious economic losses. Through the analysis of suitability and risk assessment, it is clear that the branches and sub-branches belong to agricultural pests in Xinjiang which are at a high risk and close to the special danger. Therefore, quarantine management and epidemic prevention and control should be strengthened so as to prevent their further proliferation.