近年来,广州地区长豇豆(即豆角)枯萎病发生比较严重,该病是长豇豆的一种毁灭性病害,对生产影响很大。为此,从1978年开始至1983年,我们对该病的发生规律及防治进行了调查和试验研究,现简报如下。症状及病原菌长豇豆枯萎病在苗期开始发生,通常在开花后严重为害。其症状表现为根腐、茎基腐及藤蔓上的节腐等。茎基部或主根上部发生深褐色至黑色病斑,稍凹陷,有时 In recent years, Guangzhou area cowpea (ie, beans) wilt disease more serious, the disease is a devastating disease of Asparagus Bean, a great impact on the production. To this end, from 1978 to 1983, we conducted the investigation of the law and prevention and treatment of the disease were investigated and experimental study are as follows. Symptoms and pathogens Asparagus bean wilt occurs at the seedling stage and is usually seriously devastated after flowering. The symptoms manifested as root rot, stem rot and vines on the section of rot and so on. Occurred at the basal or main root of the dark brown to black lesions, slightly depressed, sometimes