DISTRIBUTION OF EXTRACTABLE CARBOHYDRATE RESERVES WITHIN THE RHIZOME OF THE SEAGRASS POSIDONIA-AUSTRALIS HOOK F

被引：12

作者：

RALPH, PJ

BURCHETT, MD

PULKOWNIK, A

机构：

[1] School of Biological and Biomedical Sciences, University of Technology Sydney, Gore Hill, 2065 NSW, Westbourne Street

来源：

AQUATIC BOTANY | 1992年 / 42卷 / 04期

关键词：

D O I：

10.1016/0304-3770(92)90057-P

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Rhizomes of Posidonia australis Hook. f., collected from Botany Bay on the eastern coast of Australia, were analysed for extractable carbohydrates. The concentration of extractable carbohydrate in the stelar tissue of the rhizome was significantly higher than that in the surrounding cortex. Reduced concentrations of extractable carbohydrate reserves were found in juvenile tissue and tissue adjacent to the apical meristem. Unexpanded internodes contained higher concentrations of extractable carbohydrate than expanded internodes. Tissue from equivalent positions along both the lateral and parental axis of a rhizome branch showed similar extractable carbohydrate levels and had similar patterns of internodal length. The pattern of carbohydrate storage within the rhizomatous tissue of P. australis is closely related to the age and health of the plant.

引用

页码：385 / 392

页数：8

共 35 条

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[3] THE LOSS OF SEAGRASS IN COCKBURN SOUND, WESTERN AUSTRALIA .3. THE EFFECT OF EPIPHYTES ON PRODUCTIVITY OF POSIDONIA-AUSTRALIS HOOK F
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