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.
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页码：15 / 19
页数：5
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