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Anomalous secondary structures in stem and root of two typical halophytes

文献类型: 外文期刊

作者: Kong, Lingan 1 ; Li, Fazeng 2 ;

作者机构: 1.Shandong Acad Agr Sci, Crop Res Inst, CN-250100 Jinan, Peoples R China

2.Shandong Normal Univ, Coll Life Sci, CN-250014 Jinan, Peoples R China

期刊名称:NORDIC JOURNAL OF BOTANY ( 影响因子:0.802; 五年影响因子:0.857 )

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收录情况: SCI

摘要: Limonìum sinense (Girard) O. Kuntze (Plumbaginaceae) and Suaeda salsa (L.) Pal. (Chenopodiaceac), both typical halophytes, have been used to investigate the peculiar structural features adapted to saline conditions, with a special emphasis on the anomalous secondary structure of stem and root. The results showed that in saline environments, L. sinense developed tripartite vascular cylinders in the root and cortical bundles in the scape. Suaeda salsa developed concentric rings of vascular tissue andinterxylary phloem in the root and stem. Based on these findings, we discuss the adaptive significance of these anomalous secondary structures for plants living in saline environments.

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