| 超级杂交稻P88S/0293的生长发育及产量结构特性 |
| |
| 引用本文： | 张志刚,白德朗,罗孝和,马国辉.超级杂交稻P88S/0293的生长发育及产量结构特性[J].作物研究,2004,18(2):72-74. |
| |
| 作者姓名： | 张志刚 白德朗 罗孝和 马国辉 |
| |
| 作者单位： | 1. 国家杂交水稻工程技术研究中心,湖南,长沙,410125;湖南农业大学,长沙,410128
2. 国家杂交水稻工程技术研究中心,湖南,长沙,410125 |
| |
| 基金项目： | 农业部农业结构调整技术研究专项基金 |
| |
| 摘 要： | 以两优培九为对照,研究了超级杂交稻组合P88S/0293的生长发育和产量结构特性.结果表明:P88S/0293比两优培九分蘖发生快,分蘖能力强,最高苗期出现早;株高稍矮,抗倒性好;穗数、穗粒、千粒重较高;总库容量比两优培九高14%,具有更高的产量潜力,更依赖大穗发挥产量优势;但P88S/0293成穗率低于两优培九.对提高P88S/0293成穗率的途径进行了初步探讨.
|
| 关 键 词： | 水稻 生长发育 产量结构 |
| 文章编号： | 1001-5280(2004)02-0072-03 |
| 修稿时间： | 2004年4月12日 |
Growth characters and yield formation of super rice hybrid P88S/0293 |
| |
| ZHANG Zhi-gang.Growth characters and yield formation of super rice hybrid P88S/0293[J].Crop Research,2004,18(2):72-74. |
| |
| Authors: | ZHANG Zhi-gang |
| |
| Institution: | ZHANG Zhi-gang~ |
| |
| Abstract: | The growth characters and yield formation were studied of P88S/0293, a super rice hybrid of target 2 in super hybrid rice breeding of China. The check combination (CK) was Liangyou Peijiu, a super rice hybrid of target 1. Compared to CK, the results showed:(1)P88S/0293 had faster tillering speed and better tillering ability, earlier maximum tiller date. Its plant stature was shorter and more resistant to lodging.(2)P88S/0293 boasted more panicles per unit area, more spikelets per panicle and heavier 1000-grain weight.Its total sink capacity for yield was 14% more than that of CK, possessing more yielding potential due to its advantage on large panicles.(3)But P88S/0293 had lower productive panicle ratio. The approaches to improve the lower productive panicle ratio were also studied in this experiment. |
| |
| Keywords: | P88S/0293 |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
