[1]孙春青,潘跃平,单延博,等.睡莲品种墨宝自交结实率低的细胞学机理[J].江苏农业学报,2017,(04):890-894.[doi:doi:10.3969/j.issn.1000-4440.2017.04.025]
　SUN Chun-qing,PAN Yue-ping,SHAN Yan-bo,et al.Cellular mechanisms of low self-fertility of water lily variety Almost Black[J].,2017,(04):890-894.[doi:doi:10.3969/j.issn.1000-4440.2017.04.025]
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睡莲品种墨宝自交结实率低的细胞学机理()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年04期
页码:
890-894
栏目:
园艺
出版日期:
2017-08-30

文章信息/Info

Title:
Cellular mechanisms of low self-fertility of water lily variety Almost Black
作者:
孙春青; 潘跃平; 单延博; 孙国胜; 戴忠良
（江苏丘陵地区镇江农业科学研究所，江苏句容212400）
Author(s):
SUN Chun-qing; PAN Yue-ping; SHAN Yan-bo; SUN Guo-sheng; DAI Zhong-liang
(Zhenjiang Institute of Agricultural Sciences of the Ning-Zhen Hilly District, Jurong 212400, China)
关键词:
睡莲; 结实率; 花粉活力; 胚胎败育
Keywords:
water lily; seed setting rate; pollen viability; embryo abortion
分类号:
S682.32
DOI:
doi:10.3969/j.issn.1000-4440.2017.04.025
文献标志码:
A
摘要:
睡莲品种墨宝(Nymphaea Almost Black)的自交结实率低，为了找出其原因，本研究以墨宝为材料，进行细胞学研究。研究结果表明，墨宝的花粉活力为42%，授粉后12 h，平均每个柱头上萌发的花粉量只有272粒。此外，授粉后5 d，276%的子房内形成了球形胚，授粉后15 d，只在147%的子房内观察到胚胎，授粉后20 d，在64%的子房内观察到正常胚胎。以上结果显示，受精前的低花粉活力和柱头上花粉萌发异常以及受精后的胚胎败育是导致墨宝自交结实率低的主要原因。
Abstract:
To find out the reason of low self-fertility of water lily variety Almost Black, cytological study was conducted. The results showed that the pollen viability of Almost Black was only 42%. Stigmatic pollen germination was 272 grains per stigma at 12 h after pollination. The rate of normal embryos was 276% at five days after pollination, 147% at 15 days after pollination, and 64% at 20 days after pollination. These results suggested that low pollen viability, low stigmatic pollen germination and post-fertilization embryos abortion may be the main factors responsible for low self-fertility of Almost Black.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2017-01-20 基金项目：江苏省农业科技自主创新基金项目[CX(11)4005] 作者简介：孙春青(1983-)，男，山东莱阳人，硕士，助理研究员，主要从事蔬菜花卉遗传育种研究。 (E-mail)scqsunchunqing@126.com 通讯作者：戴忠良，（E-mail）daizhongliang2008@163.com
更新日期/Last Update: 2017-09-01