全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

A STUDY ON MICROSPORE ABORTION AND THE RELATION TO ABNORMAL WALL LAYERS IN PAULOWNIA SP.
山明桐小孢子败育及与小孢子囊壁发育异常的关系

Keywords: Microspore abortion,Abnormal wall layers,Paulownia sp
山明桐
,小孢子,败育,小孢子囊壁

Full-Text   Cite this paper   Add to My Lib

Abstract:

The process of microspore abortion and abnormal wall layer development are studied in this paper It is reavealed that microspore abortion aceurs between meiosis and non-vacuolate microspore stage. Before microspore mitosis all of them have been dried ant shrivelled. On the other hand, tapetums ramain undegenerrated or half degenerated and endotheciums are unable to develop fibrous thickenings at mature anther stage.The relationship between microspore abortion and abnormal wall layers is also studied It is considered that microspore abortion does not result from, but may result in abnormal development of wall layers.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133