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油桐枯萎病是油桐的重要病害之一。近年来油桐栽培面积日益扩大,该病亦随之迅速蔓延严重为害,以致大树连片死亡,为当前生产急需解决的重要问题。国内最早1940年陆大京报道在广西首先发现该病,1962年冯学渊等在浙江省调查,油桐被害率达60%;1963年本所与广西林业科学研究所共同在广西柳州、桂林两专区调查,发病率最高达73.5—90%以上。在湖南、四川、贵州等省也有发现,但均限于调查、观察,而病原尚未肯定,病状、发病条件等也未见详细报道。1964年在浙江省进行病情调查井在常山林场设点进行症状
Fusarium wilt is one of the important diseases of tung tree. In recent years, tung oil cultivation area is expanding, the disease also followed the rapid spread of serious damage, resulting in contiguous death of trees, the current production of an important issue to be resolved urgently. The earliest 1940 Lu Da Jing reported that the disease was first found in Guangxi. In 1962, Feng Xueyuan et al investigated in Zhejiang Province and the rate of tung oil poisoning was 60%. In 1963, the Institute and Guangxi Institute of Forestry jointly investigated in Guangxi and Liuzhou and Guilin. The highest incidence of 73.5-90% or more. In Hunan, Sichuan, Guizhou and other provinces have also been found, but are limited to the investigation, observation, and the pathogen has not been affirmed, the symptoms, the incidence of conditions have not been reported in detail. In 1964 in Zhejiang Province to conduct disease surveys and Changshan forest farm set up points for symptoms