辣椒疫霉(Phytophthora capsici Leonian)是具有重大危害性的病原卵菌,其寄主范围较广,可引致辣椒、番茄、茄子、黄瓜、南瓜等多种重要蔬菜作物的疫病。由辣椒疫霉引起的辣椒疫病是一种毁灭性病害,在世界各地的辣椒种植区普遍发生,我国尤以江苏、浙江、安徽、上海等长江中下游地区发 Phytophthora capsici Leonian is a potentially harmful pathogenic Oomycetes with a wide range of hosts that can cause blight on many important vegetable crops such as pepper, tomato, eggplant, cucumber and pumpkin. Phytophthora capsici caused by Phytophthora capsici is a kind of devastating disease which occurs in pepper growing areas around the world. Especially in the middle and lower reaches of the Yangtze River in Jiangsu, Zhejiang, Anhui and Shanghai, China