栽培甜菜中央细胞受精前后的超微结构

李伟^1,², 申家恒^2,^*, 郭德栋³

Ultrastructure of Central Cell before and after Fertilization in Sugar Beet (Beta vulgaris)

LI Wei^1,², SHEN Jia-Heng^2,^*, GUO De-Dong³

图版III 开花后次生核阶段中央细胞的结构 A: 开花后胚囊的半薄切片, 示中央细胞的次生核Bar = 10 μm; B~F: 开花后中央细胞的超微结构, 图B示次生核Bar = 5 μm; 图C~F示核周围胞质中的线粒体、内质网、高尔基体和质体图C、D、F, Bar = 1 μm; 图E, Bar = 500 nm; G~H: 授粉后约13 h 胚囊的相邻半薄切片, 示中央细胞的次生核Bar = 10 μm; I~M: 授粉后约13 h中央细胞的超微结构, 图I、J为相邻切片, 示次生核及核仁液泡Bar = 2 μm; K~M: 核周围胞质中的内质网、线粒体和质体Bar = 1 μm。
Plate III Structure of central cell at secondary nucleus stage after flowering A: semi-thin section of embryo sac after flowering, showing secondary nucleus Bar = 10 μm; B–F: ultrastructure of central cell after flowering; B: secondary nucleus Bar = 5 μm; C–F: mitochondria, endoplasmic reticulum, the Golgi and plastids around secondary nuclear C, D, F, Bar = 1 μm; E, Bar = 500 nm; G–H: semi-thin sections of embryo sac approximately 13 hours after pollination, showing secondary nucleus Bar = 10 μm; I–M: ultrastructure of central cell approximately 13 hours after pollination; I–J: secondary nucleus and vacuole of nucleolusadjacent sections, Bar = 2 μm; K–M: endoplasmic reticulum, mitochondria and plastids around secondary nuclear Bar = 1 μm.