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从云南西双版纳的景洪、勐腊两地的热带作物园香草兰疫病果荚、茎节、叶片上分离到10个疫霉分离菌，根据孢子囊、厚垣孢子、藏卵器、雄器形态、菌落形态及主要生长温度，鉴定为烟草疫霉（寄生疫霉）Phytophthoranicotianae(P.parasitice),10个分离菌株均属于A1交配型。
Ten isolates of Phytophthora capsici were isolated from the pods, stem nodes and leaves of the tropical grass orchard in Jinghong and Mengla, Xishuangbanna of Yunnan Province. According to the morphology of sporocysts, chlamydospores, The morphology and growth temperature of the colonies were identified as Phytophthora nicotianae (P. parasiticis) and 10 isolates belonged to the A1 mating type.