[1]金振国,魏国才,高利,等.中群21主要农艺性状遗传增益分析[J].黑龙江农业科学,2018,(06):8-10.[doi:10.11942/j.issn1002-2767.2018.06.0008]
　JIN Zhen-guo,WEI Guo-cai,GAO Li,et al.Genetic Gain Analysis of Main Agronomic Traits of Zhongqun 21[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(06):8-10.[doi:10.11942/j.issn1002-2767.2018.06.0008]
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中群21主要农艺性状遗传增益分析

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2018年06期 页码: 8-10 栏目: 出版日期: 2018-06-10
Title:
Genetic Gain Analysis of Main Agronomic Traits of Zhongqun 21
作者:
金振国; 魏国才; 高利; 孙艳杰; 石运强; 邵勇; 南元涛
黑龙江省农业科学院 绥化分院,黑龙江 绥化 152052
Author(s):
JIN Zhen-guo; WEI Guo-cai; GAO Li; SUN Yan-jie; SHI Yun-qiang; SHAO Yong; NAN Yuan--tao
Suihua Branch，Heilongjiang Academy of Agricultural Sciences,Suihua 152052,China
关键词:
玉米; 群体改良; 遗传增益; 配合力
Keywords:
maize; population improved; genetic gain; combining ability
DOI:
10.11942/j.issn1002-2767.2018.06.0008
文献标志码:
A
摘要:
为提高基因重组频率，改变群体遗传结构，在保持遗传多样性的同时，提高群体的配合力、杂种优势及抗逆性，对从中国农业科学院引入的合成玉米育种群体中群21进行混合选择改良，并从不同轮次中选育育种新材料，为我国玉米育种提供新型种质。结果表明：中群21通过4轮选择，已适应黑龙江省生态条件，其生育日数缩短4 d左右，脱水速率、群体产量有了明显的提高，同时耐密性、抗倒性都明显改善，可以从中选育产量高、脱水速率快、适合机械化收获的高配合力自交系。
Abstract:
In order to improve the frequency of gene recombination and change the population genetic structure，at the same time keep population genetic diversity，and improve group’s combining ability,heterosis and resistance,we made the mixed selection and improvement to Zhongqun 21 a synthetic corn breeding group introduced from the Chinese Academy of Agricultural Sciences,and selected the new breeding materials from different rounds to provide a new germplasm for maize breeding in China.The results showed that Zhongqun 21 had adapted to the ecological conditions of Heilongjiang province through 4 wheels of selection.Growth period had been shortened by about 4 days.The dehydration rate and group yield had the distinct enhancement,and the tightness and lodging resistance had obvious improvement.Therefore,we could selected high compatibility systems with high yield,fast dehydration rate,and suitable for mechanized harvesting.

参考文献/References:

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备注/Memo

收稿日期：2018-03-14基金项目：黑龙江省农业科学院院级科研资助项目（2017-XQ11）。第一作者简介：金振国（1978-），男，硕士，助理研究员，从事玉米种质改良及新品种选育研究。E-mail:jinzhenguo204@163.com。通讯作者：南元涛（1964-），男，学士，研究员，从事作物育种及栽培研究。E-mail:nyt1964@163.com。

更新日期/Last Update: 2018-09-11