摘要
利用石蜡切片技术,对天葵胚和胚乳的发育进行了研究。结果表明:胚的发育属于柳叶菜型,其发育过程包括原胚、心形胚、鱼雷形胚和成熟胚时期,成熟胚的胚柄退化,胚乳发育为核型胚乳类型,游离核时期较短,成熟种子中仅剩1到2层胚乳细胞。
Experiment was conducted by routine paraffin-embedded sectioning technique to study the development of both the embryo and the endosperm in Semiaquilegia adoxoides . The results were as follows. The embryogeny is of the onagrad type. The developmental process included the stages of proembryo, heart-shaped embryo, torpedo-shaped embryo and mature embryo. The stalk of mature embryo degenerated. The development of endosperm is of the nuclear type of S. adoxoides. The free nuclear stage was shorter and only 1 to 2 layers of endosperm cells remain in mature seeds.
作者
徐晶晶
张依楠
廖海民
XU Jing-jing;ZHANG Yi-nan;LIAO Hai-min(Colleges of Life Sciences, Guizhou University, Guiyang, Guizhou 550025, China)
出处
《山地农业生物学报》
2019年第1期84-87,共4页
Journal of Mountain Agriculture and Biology
基金
贵阳市现代农业与农村科技计划(2013筑科合同[2013102]4-6号)
关键词
天葵
胚
发育
核型胚乳
Semiaquilegia adoxoides
embryo
development
nuclear endosperm
