Comparative study on meiotic behavior and pollen development of medicinal plants Liriope spicata var. prolifera and L. spicata.
- Author:
Qun ZHOU
1
;
Jianqiu ZHOU
;
Jingjing WANG
;
Wenliang LU
;
Xiaogang WANG
;
Jiachun CHEN
Author Information
- Publication Type:Journal Article
- MeSH: Liriope Plant; cytology; physiology; Meiosis; physiology; Plants, Medicinal; cytology; physiology; Pollen; physiology
- From: China Journal of Chinese Materia Medica 2009;34(10):1199-1203
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo reveal the mechanism of sterility of Liriope spicata var. prolifera.
METHODMeiotic behavior and pollen development of L. spicata var. prolifera were described in detail. Its proto-variety L. spicata was also investigated for comparison.
RESULTDuring the meiosis of microspore mother cells (MMC), most of cells displayed normally in L. spicata, but abnormally in L. spicata var. prolifera. The abnormity was showed that: some chromosomes or their fragments moved out of the spindle of the cell at metaphase; some chromosome bridges, fragments and lagging ones were formed at anaphase; and many microspores displayed the micronucleus at the telophase. The pollen development was abnormal in L. spicata var. prolifera and normal in L. spicata, with the aberration rate of pollen was 95.81% and 3.44% separately.
CONCLUSIONThese results indicate that some abnormalities of meiotic behavior and pollen development are main reasons for inducing microspore abortion during its development.
