At present, Composition prevention and cured was used mainly, cropping resist breed, chymic and biologic prevention ande cured were included.But they have localization, could not cure radically.

• 目前，生产上主要采取综合防治措施，包括栽培抗病品种、应用化学防治和生物防治等，但由于都存在着各自的局限性而无法从根本上进行防治。