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当前位置: 首页 > 文章 > 人心果次生木质部导管分子的观察研究 园艺学报 2007,34 (1) 7-10
Position: Home > Articles > Studies on the Vessel Elements of Secondary Xylem in Manilkara zapota Acta Horticulturae Sinica 2007,34 (1) 7-10

人心果次生木质部导管分子的观察研究

作  者：
陈树思
单  位：
韩山师范学院生物系
关键词：
人心果;导管分子;穿孔板;形态结构
摘  要：
运用细胞图象分析系统及显微照相的方法,观察研究人心果次生木质部导管分子。结果发现,人心果次生木质部导管分子中存在着许多不同的样式,多数导管分子具尾;导管分子穿孔板存在着两种类型:1.两端均为一个单穿孔板;2.一端为一个单穿孔板另一端为两个单穿孔板及过渡类型;3%的导管分子具有内含物;管间纹孔式为互列纹孔式,导管射线间纹孔式为混合型纹孔与横列刻痕状纹孔以及穿孔。
译  名：
Studies on the Vessel Elements of Secondary Xylem in Manilkara zapota
作  者：
CHEN Shu-si(Department of Biology,Hanshan Normal University,Chaozhou,Guangdong 521041,China)
关键词：
Manilkara zapota;Vessel elements;Perforation plate;Conformation and structure
摘  要：
The vessel elements of secondary xylem in Manilkara zapota were observed by bio-microscope image analysis system and micrography.There were various patterns of vessel elements in M.zapota and most of the vessel elements had tail.Perforation plates could be divided into two types:1.Both ends of the vessel element were simple perforation plate;2.One end had simple perforation,the other had two simple perforations.And there were a series of transitional patterns between the two types.Three percent of vessel elements of secondary xylem in the plant had inclusions.Intervascular pitting was alternate pitting.There were mixed type pitting,gash-like pitting and perforation between vessel elements and ray cells.

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