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Electron Microscopic Observation on Male Sterile CMSPM and Maintainer Line of Cabbage(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年02期
Page:
15-19
Research Field:
Publishing date:

Info

Title:
Electron Microscopic Observation on Male Sterile CMSPM and Maintainer Line of Cabbage
Author(s):
GAO Ying- ying1; WANG Chao1; ZHANG Zhi jie2
1.College of Horticulture，Northeast Agricultural University，Harbin,Heilongjiang 150030;
2.Jidong County Agricultural Technology Promotion Center,Jidong，Heilongjiang 230321
Keywords:
cabbage; CMS; electron microscopy; anther abortion
PACS:
S 63.5
DOI:
-
Abstract:
Using transmission electron microscopy techniques，the anther and microspore development were studied,in order to obtain differences between CMSPM and its maintainer line of?Brassica oleraceaL.var.capitata L..The results showed that pollen mother cells (PMC) of CMSPM was irregular.Thus meiosis of PMC was influenced seriously.During mononuclear stage，the tapetal cells did not degenerated and expand abnormally，pressing the microsporocyte made to be out of shape，and microspore appeared serious plasmolysis phenomenon.Finally degradation of microspore and tapetal cells was full of the whole pollen sac which caused the anther abortion.

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Last Update: 2014-08-09