Breeding lines with neutral genes to improve fertility of intersubspecific hybrid rice

被引：0
|
作者：
IKEHASHI Hiroshi
机构：
[1] Nihon Univ
[2] Fujisawa
来源：
Chinese Rice Research Newsletter | 2002年 / 10卷 / 01期
关键词：
In; Breeding lines with neutral genes to improve fertility of intersubspecific hybrid rice;
D O I：
暂无
中图分类号：
S511 [稻];
学科分类号：
摘要：
Since the sterility-neutral allele Sn5 has been incorporatedinto indica or japonica varieties, many intersubspecifichybrids have been released commercially. These hybridsshowed high heterosis, but some of them exhibited unstableseed setting at under low temperature. When the hybridsflowered at low temperaure, the fertility of female gametewas normal but the pollen showed sterile. To improve thestability of fertility, the effect of pollen sterility-neutralgene was studied for intersubspecific hybrids.
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页码：6 / 6
页数：1
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