| 四个两系杂交水稻穗增重特性分析 |
| |
| 引用本文： | 吕川根,胡凝,相国根,姚克敏,邹江石.四个两系杂交水稻穗增重特性分析[J].江苏农业学报,2008,24(4). |
| |
| 作者姓名： | 吕川根 胡凝 相国根 姚克敏 邹江石 |
| |
| 作者单位： | 1. 江苏省农业科学院粮食作物研究所,江苏,南京,210014
2. 南京信息工程大学应用气象学院,江苏,南京,210044 |
| |
| 基金项目： | 国家高技术研究发展计划(863计划)，国家高技术研究发展计划(863计划) |
| |
| 摘 要： | 分析了以培矮64S为母本的4个两系法杂交籼稻的穗增重特性.4个组合的起始质量W0和终极质量A均明显大于三系杂交稻汕优63,表明这4个组合的穗型均较大,为重穗型杂交稻;起始增重势GR0/W0和最高增重速率GRpoi均明显小于汕优63;穗重活跃增重期为16～24 d,长于汕优63,完成穗增重需要35～53 d,而汕优63仅需27 d.为使两系杂交稻较早出现较高的穗增重高峰,并使活跃增重期延长,而完成整个穗增重的天数缩短,栽培上尤其要注意孕穗期增加茎秆中物质的积累,出穗后保证有充足的光合产物,并预防叶片光合功能早衰.
|
| 关 键 词： | 两系法杂交稻 生长分析 穗增重特性 |
Analysis of Panicle Weight Growing of Four Two-line Hybrids of Rice |
| |
| L Chuan-gen,HU Ning,XIANG Guo-gen,YAO Ke-min,ZOU Jiang-shi.Analysis of Panicle Weight Growing of Four Two-line Hybrids of Rice[J].Jiangsu Journal of Agricultural Sciences,2008,24(4). |
| |
| Authors: | L Chuan-gen HU Ning XIANG Guo-gen YAO Ke-min ZOU Jiang-shi |
| |
| Institution: | Lu Chuan-gen1,HU Ning2,XIANG Guo-gen1,YAO Ke-min2,ZOU Jiang-shi1 (1.Institute of Food Crops,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China,2.College of Applied Meteorology,Nanjing University of Information Science , Technology,Nanjing 210044,China) |
| |
| Abstract: | Panicle weight growing was studied on four two-line hybrids of rice with Peiai64S as their female parents.The initial weight(W0) and final weight(A) were both higher than those of three-line hybrid(CK),Shanyou 63,that exhibited large panicles and higher panicle yields.The initial growing rate per weight of GR0/W0 and the maximum growing rate of GRpoi were both lower than those of control hybrid.The active growing period and the full growing period were 16-24 d and 35-53 d,respectively,all longer than those ... |
| |
| Keywords: | two-line hybrid rice growth analysis characteristic of gain in panicle weight |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
