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龙胆草斑枯病是近几年生产上发生的一种毁灭性病害。作者对该病害的发生规律和防治进行了初步研究。研究结果表明：该病菌是一种高温高湿喜光病菌。高温、高湿、裸露和低密度栽培有利病害的发生和流行。根据病害的发生规律将侵染循环分成五个阶段。只有采取种苗消毒、田园卫生、遮阴栽培和药剂防治等综合防治措施，才能取得理想的防治效果。
Gentian spot is a devastating disease that has taken place in production in recent years. The author conducted a preliminary study on the occurrence and prevention of the disease. The results show that: the pathogen is a kind of high temperature and high humidity photopheresis. High temperatures, high humidity, bare and low-density cultivation of beneficial diseases occur and prevalence. The infection cycle is divided into five stages according to the occurrence of diseases. Only to take seedling disinfection, pastoral health, shade cultivation and chemical control and other comprehensive prevention and control measures in order to achieve the desired effect of prevention and treatment.