| Genetic Analysis of the Resistance to Aspergillus flavus Infection in Maize （Zea mays L.） |
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| 作者姓名： | DENG De-xiang JIANG Si-xia WANG Yi-jun BIAN Yun-long CHEN Jian-jian JIA Bo |
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| 作者单位： | |
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| 基金项目： | 国家自然科学基金，the Natural Science Foundation of Jiangsu Province |
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| 摘 要： | Maize （Zea mays L.）, one of main crops in the world, is easily susceptible to Aspergillusflavus （Link： fr） infection, resulting huge loses worldwide. Breeding for A. flavus resistance has been proved an efficient way to solve the problem of aflatoxin contamination. Genetic analysis of the sources of resistance to A.flavus in maize is necessary for this purpose. The complete diallel crosses of 6 inbred lines with different resistance to A.flavus infection were implemented. Inoculation categorical data of each cross were analyzed with the additive-dominant and additive-dominant-epitasis genetic models. Results indicated some crosses fitted the 2 major genes with additive-dominant-epitasis genetic model. Others fitted the major gene and polygene mixed model. Moreover, the additive, dominant, and epitasis effects varied in crosses. The A.flavus resistance was controlled by both major gene and polygene.
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| 关 键 词： | 抗黄曲霉 遗传分析 霉玉米 感染 遗传模型 添加剂 多基因 毒素污染 |
| 收稿时间： | 18 August 2008 |
Genetic Analysis of the Resistance to Aspergillus flavus Infection in Maize (Zea mays L.) |
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| DENG De-xiang,JIANG Si-xia,WANG Yi-jun,BIAN Yun-long,CHEN Jian-jian,JIA Bo.Genetic Analysis of the Resistance to Aspergillus flavus Infection in Maize (Zea mays L.)[J].Agricultural Sciences in China,2009,8(6):761-765. |
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| Authors: | DENG De-xiang JIANG Si-xia WANG Yi-jun BIAN Yun-long CHEN Jian-jian JIA Bo |
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| Institution: | [1]Jiangsu Province Key Laboratory of Crop Genetics and Physiology~Key Laboratory of Plant Functional Genomics, Ministry of Education, Yangzhou University, Yangzhou 225009, P.R. China [2]Yangzhou Environment and Resources Technical College, Yangzhou 225009, P.R. China |
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| Abstract: | Maize (Zea mays L.),one of main crops in the world,is easily susceptible to Aspergillusflavus (Link:fr) infection,resulting huge loses worldwide.Breeding for A.flavus resistance has been proved an efficient way to solve the problem of aflatoxin contamination.Genetic analysis of the sources of resistance to A.flavus in maize is necessary for this purpose.The complete diallel crosses of 6 inbred lines with different resistance to A.flavus infection were implemented.Inoculation categorical data of each cross were analyzed with the additive-dominant and additive-dominant-epitasis genetic models.Results indicated some crosses fitted the 2 major genes with additive-dominant-epitasis genetic model.Others fitted the major gene and polygene mixed model.Moreover,the additive,dominant,and epitasis effects varied in crosses.The A.flavus resistance was controlled by both major gene and polygene. |
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| Keywords: | maize Aspergillusflavus resistance genetic model |
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