| 木薯新叶斑病病原鉴定及其生物学特性 |
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| 引用本文： | 时 涛,李超萍,蔡吉苗,刘先宝,林春花,黄贵修. 木薯新叶斑病病原鉴定及其生物学特性[J]. 热带作物学报, 2010, 31(3): 457-463. DOI: 10.3969/j.issn.1000-2561.2010.03.022 |
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| 作者姓名： | 时 涛 李超萍 蔡吉苗 刘先宝 林春花 黄贵修 |
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| 作者单位： | 中国热带农业科学院环境与植物保护研究,农业部热带农林有害生物入侵监测与控制重点开放实验室,海南儋州,571737 |
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| 基金项目： | 国家木薯现代产业技术体系建设项目，农业部公益行业科研专项项目 |
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| 摘 要： | 2008和2009年在对木薯主产区病害的普查中,发现了一种新的叶斑病,命名为离孺孢叶斑病。形态观察结果表明,该病原菌分生孢子梗丛生,褐色,基细胞膨大呈半球形,成熟的分生孢子长椭圆形,两端钝圆,具5～8个隔膜,表明其为狗尾草离孺孢。ITS序列分析结果表明其和一株狗尾草离孺孢(EF452444)的序列同源性为99%。生物学特性研究结果表明,PDA培养基、28℃、pH7和光暗交替是菌落生长最适条件,D-葡萄糖和硝酸钠是其最适碳氮源,孢子萌发最适温度和致死温度分别为28℃和55℃5min。10种杀菌剂的室内筛选结果表明,咪鲜胺(25%咪鲜胺EC)的EC50值最小,抑菌效果最好。
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| 关 键 词： | 木薯 离蠕孢 生物学特性 杀菌剂 |
Identification of a Pathogen from a New Leaf Spot Disease of Cassava and Its Biological Characteristics |
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| Shi Tao,Li Chaoping,Cai Jimiao,Liu Xianbao,Lin Chunhua and HuangGuixiu. Identification of a Pathogen from a New Leaf Spot Disease of Cassava and Its Biological Characteristics[J]. Chinese Journal of Tropical Crops, 2010, 31(3): 457-463. DOI: 10.3969/j.issn.1000-2561.2010.03.022 |
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| Authors: | Shi Tao Li Chaoping Cai Jimiao Liu Xianbao Lin Chunhua HuangGuixiu |
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| Affiliation: | Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests;Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests;Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests;Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests;Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests;Environment and Plant Protection Institute, CATAS Ministry of Agriculture Key Laboratory for Monitoring and Control of Tropical Agricultural and Forest Pests |
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| Abstract: | |
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| Keywords: | cassava Bipolaris setariae biological characteristics fungicides. |
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