Pollen viability, germination, and seed setting of Nelumbo nucifera
文献类型: 外文期刊
第一作者: Khatfan, Akhom
作者: Khatfan, Akhom;Riablershirun, Nopadol;Juntawong, Niran;Li, Zuo;Chen, Long-Qing;Sathornviriyapong, Vithaya;Juntawong, Niran
作者机构:
关键词: sacred lotus;pollination;self-incompatibility;abortion
期刊名称:SCIENCEASIA ( 影响因子:0.615; 五年影响因子:0.708 )
ISSN: 1513-1874
年卷期: 2014 年 40 卷 6 期
页码:
收录情况: SCI
摘要: In tropical countries, low seed setting is a major problem when cultivating lotus (Nelumbo nucifera Gaertn.). This study determined seed setting in six wild lotus cultivars: Sal Rung (SR), Sam Roi Yot (SY), Klong Yong, Puttha Monthon (PM), Rachine (RC), and Nakhon Sawan (NW). In nature, the seed-setting rates range from 52-78%. From a stigma removal study, only a 53% seed-setting rate by self-pollination was recorded in the SR cultivar. This result was similar to the seed setting of self-pollinated PM, although high viability of PM pollen from day 2 full bloom flowers was observed. Self-incompatibility was studied in RC and NW cultivars. The indices of self-incompatibility of RC and NW were both 96% indicating that self-incompatibly affects low seed setting in these two cultivars. The results showed that the low seed-setting rate also came from seed abortion. A high value of self-incompatibility was observed in RC and NW cultivars, but not in the other cultivars studied.
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