苹果链格孢菌与寄主叶片互作的超微结构研究
Ultrastructure Study of the Interaction Process between Alternaria mali and Host Leaves
查看参考文献17篇
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文摘
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以苹果杂交组合(‘华脆’ב金冠’)F1代杂种实生苗群体易感病株系为材料,通过扫描电镜、透射电镜等观察方法,对苹果链格孢菌与寄主叶片互作过程进行了细胞学观察,分析苹果链格孢菌侵染寄主的动态过程和变化规律,以揭示苹果病害发生机制。结果表明,苹果链格孢菌侵染寄主叶片时,多数在表皮分枝扩展,很少通过气孔器或其他方式入侵细胞内部。互作后期,寄主叶细胞内叶绿体和质膜变化显著,多数细胞器降解,表明病原菌已分泌AM毒素作用于寄主。 |
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其他语种文摘
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In this study,a susceptible cultivar from the cross of ’Huacui’ and ’Golden Delicious’ was used as our material,the interaction process of Alternaria mali and host leaves was examined with scanning electron microscope and transmission electron microscope in order to understand the dynamic changes of A.mali infects host.The results indicated that A.mali usually spread on the surface of host leaves not through stomatal apparatuses or other ways in the infection process.During the late stage,the chloroplast and plasma membrane of host leaves changed clearly,and many other cell organelles disintegrated,indicated that A.mali had excreted AM toxins acted on host cells,and the host cells started to decline. |
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来源
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西北植物学报
,2012,32(1):106-110 【核心库】
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关键词
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苹果链格孢
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寄主叶片
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互作
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超微结构
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地址
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中国农业科学院果树研究所, 农业部果树种质资源利用重点开放实验室, 辽宁, 兴城, 125100
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-4025 |
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学科
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细胞生物学 |
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基金
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国家自然科学基金资助项目
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国家苹果产业技术体系建设专项基金项目
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文献收藏号
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CSCD:4439449
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