首页 | 本学科首页   官方微博 | 高级检索  
   检索      

栽培稻种子含氮量的基因型差异
引用本文:程建峰,戴廷波,刘宜柏,曹卫星.栽培稻种子含氮量的基因型差异[J].生态学杂志,2006,25(2):145-148.
作者姓名:程建峰  戴廷波  刘宜柏  曹卫星
作者单位:1. 南京农业大学,农业部作物生长调控重点开放实验室,南京,210095;江西农业大学农学院,南昌,330045
2. 南京农业大学,农业部作物生长调控重点开放实验室,南京,210095
3. 江西农业大学农学院,南昌,330045
基金项目:国家高技术研究发展计划(863计划);国家科技攻关项目
摘    要:采用田间试验研究了421个常规籼稻、63个常规粳稻和82个籼型杂交稻品种种子含氮量的基因型差异。结果表明,栽培稻种子含氮量变幅在0.85%~2.55%,平均为1.39%。种子平均含氮量最高的是籼型杂交稻,高达1.46%,显著高于常规粳稻(1.39%)和常规籼稻(1.37%)。不同类型的栽培稻种子含氮量呈正态分布,但频数分布最高的区间存在一定的差异。以50%品种的种子含氮量(累积百分数从25%~75%)为依据,常规籼稻、常规粳稻、籼型杂交稻分别集中在1.21%~1.52%、1.21%~1.51%、1.36%~1.53%。LSR测验表明,籼型杂交稻极差显著小于常规籼稻和常规粳稻,但常规粳稻与常规籼稻的差异未达显著水平,即籼型杂交稻种子含氮量比常规籼稻和常规粳稻的分布更加集中。不同类型栽培稻内的种子含氮量极差较大,可分为若干组,且各组间达极显著差异。

关 键 词:籼稻  粳稻  籼型杂交稻  种子  含氮量  基因型差异
文章编号:1000-4890(2006)02-0145-04
收稿时间:2005-07-05
修稿时间:2005-09-16

Genotype differences of nitrogen content in cultivated rice seed
CHENG Jiangfeng,DAI Tingbo,LIU Yibai,CAO Weixing.Genotype differences of nitrogen content in cultivated rice seed[J].Chinese Journal of Ecology,2006,25(2):145-148.
Authors:CHENG Jiangfeng  DAI Tingbo  LIU Yibai  CAO Weixing
Institution:1.Key Laboratory of Crop Growth Regulation, Ministry of Agriculture, Nanjing Agricultural University, Nanjing 210095, China ; 2.College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
Abstract:Field experiments were conducted at Jiangxi Agricultural University to study the genotype difference of seed nitrogen content in 412 indica rice,63 japonica rice,and 82 indica hybrid rice varieties.The results showed that the seed nitrogen content of cultivated rice had a significant genotype difference,with the range from 0.85% to 2.55%,and an average of 1.39%.The average seed N content of indica hybrid rice was 1.46%,which was significantly higher than that of japonica normal rice(1.39%) and indica normal rice(1.38%),and there was no significant difference between indica and japonica normal rice.The frequency distribution of seed N content exhibited normal curve,but the centers of frequency distribution were different among three rice types.The ranges of the cumulated frequency from 25% to 75% were 1.21%-1.52%,1.21%-1.51% and 1.36%-1.53% for indica,japonica,and indica hybrid rice,respectively.Ducan's Mutiple Range test showed that the maximum derivation of N content among indica hybrid rice varieties was significantly lower than that among indica and japonica rice,which indicated that the seed N content of indica hybrid rice was more concentrated than that of indica rice and japonica rice.The maximum derivation within different cultivated rice types was very large.Thus,each rice type could be classified into several groups,and the difference between groups was significant.
Keywords:indica rice  japonica rice  indica hybrid rice  seed  nitrogen content  genotype difference  
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《生态学杂志》浏览原始摘要信息
点击此处可从《生态学杂志》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号