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Modified Method of Semi-thin Sectioning Used to Observe the Structures of Populus euphratica Seed
Author(s): 
Pages: 26-30
Year: Issue:  2
Journal: Journal of West China Forestry Science

Keyword:  改良半薄切片法胡杨种子结构;
Abstract: 胡杨是干旱荒漠区唯一成林的优势树种.为深入研究胡杨种子的结构,采用改良半薄切片法,使用乙二醇-甲基丙烯酸酯(GMA)为包埋剂对胡杨种子形态和结构进行了观察研究.观察研究表明,应用改良半薄切片法观察胡杨种子结构的效果良好.以此清晰地观察到成熟的胡杨种子由种皮、子叶、胚轴和胚根组成,种皮由一层或多层薄壁细胞构成.并可从超微结构上了解胡杨种子成熟过程储备物质的变化特征.对利用胡杨种子繁殖造林增扩胡杨资源具有重要的理论与实践意义.
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