[1]孙艳杰.CIMMYT种质对玉米自交系合344改良效果的研究[J].黑龙江农业科学,2012,(04):5-7.
　SUN Yan-jie.Study on Improvement Effect of CIMMYT Germplasm on Maize Inbred of He344[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(04):5-7.
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CIMMYT种质对玉米自交系合344改良效果的研究

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2012年04 页码: 5-7 栏目: 出版日期: 2012-04-10
Title:
Study on Improvement Effect of CIMMYT Germplasm on Maize Inbred of He344
文章编号:
1002-2767（2012）04-0005-03
作者:
孙艳杰
黑龙江省农业科学院 绥化分院，黑龙江 绥化 152052
Author(s):
SUN Yan-jie
Suihua Branch of Heilongjiang Academy of Agricultural Sciences，Suihua，Heilongjiang 152052
关键词:
玉米; 种质; 改良
Keywords:
maize; germplasm; improvement
分类号:
S513.03
文献标志码:
A
摘要:
为了解决玉米种质遗传基础狭窄的问题，将CIMMYT种质Pob45导入东农251的母本自交系合344中，研究CIMMYT种质对其产量及其它农艺性状的改良效果。结果表明：合344改良系所组配的杂交组合中较对照东农251增产的组合达33.3%。合344改良系所配的杂交组合的株高、穗位高、雄穗分枝数增大的趋势较明显，产量和籽粒长度有一定的改良效果。因此，Pob45可用来改良现有种质的产量和产量性状。
Abstract:
In order to solve the problem of narrow genetic base of maize germplasm，CIMMYT germplasm Pob45 was introduced to the inbred lines He344,which was female of Dongnong 251.The improvement effect of yield and other agronomic characters was studied.The results showed that in the hybrids crossed by the improved lines of He344,yield of 33.3% combinations were higher than the CK variety Dongnong251.The plant height,ear height and tassel ramification number of combinations with improved He344 were significantly improved.Partial agronomic traits had certain effect,such as yield and seed length.Therefore,The Pob45 could be used to improve yield and correlative traits of available germplasm.

参考文献/References:

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[2]李新海,徐尚忠,李建生,等.CIMMYT群体与中国骨干玉米自交系杂种优势关系的研究[J].作物学报，2001，27（5）：575-581.

[3]刘永建，张莉萍，潘光堂，等.CIMMYT玉米种质群体主要农艺性状的遗传变异和光周期敏感性[J].西南农业学报，1999，12(3)：30-34.

[4]董玲,金益,孙艳杰,等.CIMMYT种质对东农250亲本自交系的改良效果研究[J].中国农学通报，2009,25（19）：55-58.


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备注/Memo

作者简介：孙艳杰(1980-)，女，黑龙江省绥化市人，硕士，助理研究员，从事玉米遗传育种研究。E-mail:sunyanjie1980@163.com。

更新日期/Last Update: 2014-10-26