| 尖孢镰刀菌毒素对大豆胚根组织影响的超微结构研究 |
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| 引用本文： | 台莲梅,许艳丽,闫凤云. 尖孢镰刀菌毒素对大豆胚根组织影响的超微结构研究[J]. 植物病理学报, 2006, 36(6): 512-516 |
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| 作者姓名： | 台莲梅 许艳丽 闫凤云 |
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| 作者单位： | 1 黑龙江八一农垦大学植保系, 大庆 163319;2 中国科学院东北地理与农业生态研究所, 哈尔滨 150040 |
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| 基金项目： | 国家科技攻关计划;黑龙江省科技攻关项目;黑龙江省教育厅科学技术研究项目 |
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| 摘 要： | 用2个浓度的尖孢镰刀菌毒素处理大豆胚根,来研究毒素对组织超微结构的影响。结果表明:毒素处理后,胚根细胞质壁分离;质膜、线粒体膜、核膜、液泡膜局部断裂;线粒体肿胀、变形、内部电子透明化、空泡化;细胞壁变形、断裂、有的细胞解体。损害发生最早的是线粒体和质膜。低浓度条件下,抗病品种比感病品种受害轻。
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| 关 键 词： | 尖孢镰刀菌 毒素 大豆 超微结构 |
| 文章编号： | 0412-0914(2006)06-0512-05 |
| 修稿时间： | 2005-06-20 |
Effects of Fusarium oxysporium toxin on the ultrastructure of soybean radicle tissue |
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| TAI Lian-mei,XU Yan-li,YAN Feng-yun. Effects of Fusarium oxysporium toxin on the ultrastructure of soybean radicle tissue[J]. Acta Phytopathologica Sinica, 2006, 36(6): 512-516 |
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| Authors: | TAI Lian-mei XU Yan-li YAN Feng-yun |
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| Affiliation: | 1 Heilongjiang August First Land Reclamation University Plant Protection, Daqing 163319, China;2 Northeast Institute of Geography and Agricultural Ecology, Chinese Academy of Sciences, Harbin 150040, China |
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| Abstract: | The effects of Fusarium oxysporium toxin on the ultrastructure of soybean radicle tissue were stu-(died) by electron microscopy.The radicle tissues were treated with toxin from F.oxysporium at two concentrations.The results showed that the damages to the radicle tissues of soybean included plasmolysis;disruption of membranes of plasma,mitochondria,nuclei and vacuoles;membrane of mitochondria swell and deformation,transparency of internal matrix and vacuolation;deformation and disruption of cell walls;disintegration of some cells. |
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| Keywords: | Fusarium oxysporium toxin soybean ultrastructure |
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