宁夏压砂甜瓜白粉病病原菌初步鉴定.pdfVIP

中国农学通报 2010,26(14):261-264 Chinese Agricultural Science Bulletin 宁夏压砂甜瓜白粉病病原菌初步鉴定 刘建利，任 贤，金 妮，李 强，陈 丹，曾舒予 （北方民族大学生物科学与工程学院，银川 750021） 摘 要：初步鉴定宁夏干旱带压砂甜瓜主栽品种玉金香上白粉病病原菌。通过观察病原菌的分生孢子、 菌丝、分生孢子梗、萌发管、纤维状体显微形态特征进行初步鉴定。宁夏干旱带压砂甜瓜主栽品种玉金 香上白粉病病原菌初步鉴定为单囊壳属单囊壳白粉菌（sphacelotheca fuliginea）。囊壳属单囊壳白粉菌 侵染是造成宁夏干旱带压砂甜瓜主栽品种玉金香上白粉病病因。 关键词：压砂甜瓜；白粉病；初步鉴定 中图分类号：S3 文献标志码：A 论文编号：2010-0178 Preliminary Identification of Powdery Mildew on Melon Cultivated in Lands Overlaid with Sands in Ningxia Liu Jianli, Ren Xian, Jin Ni, Li Qiang, Chen Dan, Zeng Shuyu ( , Yinchuan 750021) College of Biological Sciences and Engineering, North University for Ethnics : The study aimed to identify preliminarily powdery mildew on Yu Jinxiang that is the major variety Abstract ‘ ’ of melon cultivated in lands overlaid with sands of droughty midregion in Ningxia. Identification preliminary have completed in this paper based on morphological characteristics conidia, germ-tube, fibrosin bodies, hypha, and conidiophores of melon powdery mildew under light microscope. The pathogen of melon powdery mildew on Yu Jinxiang is sphacelotheca fuliginea. Sphacelotheca fuliginea could cause powdery mildew on ‘ ’ Yu Jinxiang . ‘ ’ : melon cultivated in lands overlaid with sands; powdery mildew; preliminary identification Key words 0 引言 使宁夏中部干旱带成为名副其实的“中国压砂西甜瓜 宁夏中部干旱带，年降水 180 mm 左右，蒸发量却 之乡”。种植压砂西甜瓜具有明显生态效益、经济效益 有 2400 mm。距今约一百多年前，当地农民利用大山 和社会效益[1]。 的石头沙砾，开始了一种特色种瓜模式——“压砂”，即