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
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
收藏
页码:15 / 19
页数:5
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