Ultrastructure of the endosperm haustorium in Trifolium pratense L.

被引：0

作者：

Bakar, HN ^{[1
]}

Algan, G ^{[1
]}

机构：

[1] Ankara Univ, Fac Sci, Dept Biol, TR-06100 Ankara, Turkey

来源：

ACTA BIOLOGICA CRACOVIENSIA SERIES BOTANICA | 1998年 / 40卷

关键词：

Trifolium pratense L; endosperm haustorium; ultrastructure;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The behavior and ultrastructure of the endosperm haustorium was studied in the natural tetraploid Trifolium pratense L. (Leguminosae). The lower portion of the endosperm generally remains free-nuclear and functions as an aggressive haustorium. The haustorium contains dense cytoplasm with many free nuclei, which usually aggregate in groups of 2-4. The haustorium presumably transports metabolites from the adjacent tissues to the developing endosperm proper. It is functional up to the late heart-shaped stage of embryo development.

引用

页码：15 / 19

页数：5

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