无公害桔梗病虫害综合防治技术探析

桔梗种植过程中病虫害发生造成桔梗减产、品质下降，传统的病害防治导致农残及重金属超标等问题，危害人体健康及桔梗产业。无公害桔梗病虫害综合防治技术是保障其产量和品质的有效策略。文章综述了桔梗主要病虫害发生种类及其发病规律、防治方法，综述了无公害桔梗的病虫害防治原则要贯彻“预防为主，综合防治”的植保方针，依据桔梗病虫害发生种类、发病规律及防治措施，将农业综合防治、物理防治、生物防治以及化学防治方法相结合，减少高残留农药的使用，依照无公害中药材的质量标准，建立桔梗无公害病虫害综合防治体系，保障桔梗药材安全及产业的可持续发展，具有显著的经济、社会及生态效益。

The Investigation on the Comprehensive Control Technology of Diseases and Insect Pests of Pollution-free Platycodon Grandiflorum

This paper summarized the types, pathogenesis and control methods of the main pests and diseases of P. grandiflorum. The pollution-free control of P. grandiflorum pests and diseases should follow the plantation protection principle of priority to prevention and comprehensive prevention. According to the types, pathogenesis and control measures of the diseases and pests of P. grandiflorum, comprehensive agricultural, physical, biological and chemical control methods were combined to reduce the use of high-residue pesticides, to establish an integrated pest control system for P. grandiflorum, and to ensure the safety of P. grandiflorum medicinal materials, to guarantee the sustainable development of the industry and the economic, social and ecological benefits of P. grandiflorum safety.