| 广东省4种花卉青枯病的病原鉴定 |
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| 引用本文： | 刘琼光,曾伟达,郑向华,陈泽鹏. 广东省4种花卉青枯病的病原鉴定[J]. 华中农业大学学报, 2009, 28(3) |
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| 作者姓名： | 刘琼光 曾伟达 郑向华 陈泽鹏 |
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| 作者单位： | 华南农业大学资源环境学院,广州,510640;广州市花卉研究中心,广州,510360;华南农业大学资源环境学院,广州510640;广东省江门市农业局,江门529000;广东省烟草公司,广州,510640 |
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| 基金项目： | 科技部基础性工作专项课题,广东省攻关项目,广东省烟草专卖局科技开发基金 |
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| 摘 要： | 采用传统和分子生物学方法,对广东省发生的美人蕉、姜花、黄穗和百日草4种花卉青枯病的病原进行了鉴定.通过病菌形态观察、染色试验、生理生化性状测定以及细菌16S rDNA序列分析,结果表明4种花卉青枯病病原为茄科劳尔氏菌Ralstonia solanacearum.这4种花卉的青枯病均为国内首次报道,且这4种花卉均为茄科劳尔氏菌R.solanacearum的新寄主.
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| 关 键 词： | 美人蕉 姜花 黄穗 百日草 茄科劳尔氏菌 |
Identification of Pathogenic Bacteria from Four Species of Flowering Plants |
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| LIU Qiong-guang,ZENG Wei-d,ZHENG Xiang-hu,CHEN Ze-peng. Identification of Pathogenic Bacteria from Four Species of Flowering Plants[J]. Journal of Huazhong Agricultural University, 2009, 28(3) |
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| Authors: | LIU Qiong-guang ZENG Wei-d ZHENG Xiang-hu CHEN Ze-peng |
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| Abstract: | A study was carried out on the identification of pathogenic bacteria to cause Canna generalis,Hedychium coronarium,Solidago cannnnnadensis and Zinnia elegans to wilt in Guangdong Province.With the research on the morphological observation,bacteria staining,physiological and biochemical characteristics determination,as well as the 16S rDNA sequence analysis of the pathogenic bacteria,the results showed that the pathogenic bacteria from the 4 species of flowering plants were identified as Ralstonia solanacear... |
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| Keywords: | Canna generalis Hedychium coronarium Solidago cannnnnadensis Zinnia elegans Ralstonia solanacearum |
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