1988年6月,在乌鲁木齐市发现了番茄上感染的一种新病害。经鉴定,确认系由Oidiopsis型病原诱发所致的番茄白粉病。我国台湾省曾有过番茄白粉病的报道,病原是Erysiphe polygoni DC.(泽田兼吉,1919)。由Oidiopsis引起的番茄白粉病,最先由Berger发现于西班牙,以后在地中海干旱地带、中欧及近东等国家均有分布,而且是这些地区番茄上的严重病害之一;本病在我国云南省也有发生,但缺少文字专述。为此,作者特记述简报如下。 In June 1988, a new disease in tomato was discovered in Urumqi. It has been identified and confirmed to be powdery mildew caused by Oidiopsis type pathogens. There have been reports of powdery mildew on tomato in Taiwan Province of China. The pathogen is Erysiphe polygoni DC. (Sawada Kazuhiro, 1919). Tomato powdery mildew caused by Oidiopsis was first found in Spain by Berger and later distributed in the Mediterranean arid zone, Central and Near East and other countries, and is one of the serious diseases in tomato in these areas. The disease is also found in Yunnan Province, China It happened, but it lacked a word description To this end, the author describes the briefings are as follows.