| 玉米耐旱性的配合力分析（英文） |
| |
| 引用本文： | 韩登旭,石书兵,梁晓玲,阿布来提·阿布拉,杨杰,邵红雨,李铭东.玉米耐旱性的配合力分析（英文）[J].农业科学与技术,2013(9):1259-1262. |
| |
| 作者姓名： | 韩登旭 石书兵 梁晓玲 阿布来提·阿布拉 杨杰 邵红雨 李铭东 |
| |
| 作者单位： | [1]新疆农业大学农学院,新蠊乌鲁木齐830052 [2]新疆农业科学院粮食作物研究所,新疆乌鲁木齐830091 |
| |
| 基金项目： | Supported by National Special Fund for Construction of Technical System for Maize Industry of China（CARS-02-68）; Science and Technology Supporting Program of Xinjiang Uygur Autonomous Region（201191220）; Agriculture Science and Technology Achievement Transformation Fund of Xinjiang Uygur Autonomous Region（2011GB2G400001）; Science and Technology Supporting Program of Xinjiang Uygur Autonomous Region（201231104）~~ |
| |
| 摘 要： | 采用完全双列杂交Griffing方法Ⅰ,分析了不同双亲耐旱性组合类型对后代耐旱性的影响及其亲本间耐旱性的一般配合力、特殊配合力和反交效应,同时对耐旱性主要遗传参数进行了分析。结果表明,玉米耐旱性的GCA效应存在显著差异,SCA效应存在极显著差异,R效应的差异不显著,6个亲本之间的耐旱性存在明显的差异,其中郑58耐旱性最强,PH4CV最差。用郑58、吉853、新自8717做耐旱亲本改良对后代耐旱性提高具有增益优势。基因的加性效应对后代耐旱性的提高因亲本和组合而异。因此,耐旱性遗传基因的表达,仅仅取决于加性效应和非加性效应,而与反交效应关系较小,玉米耐旱性的选择宜在高代进行。
|
| 关 键 词： | 玉米 耐旱性 配合力 |
Analysis of Combining Ability of Drought Tolerance in Maize |
| |
| Dengxu HAN;Shubing SHI;Xiaoling LIANG;Abulaiti·Abula;Jie YANG;Hongyu SHAO;Mingdong LI.Analysis of Combining Ability of Drought Tolerance in Maize[J].Agricultural Science ＆ Technology,2013(9):1259-1262. |
| |
| Authors: | Dengxu HAN;Shubing SHI;Xiaoling LIANG;Abulaiti·Abula;Jie YANG;Hongyu SHAO;Mingdong LI |
| |
| Institution: | Dengxu HAN;Shubing SHI;Xiaoling LIANG;Abulaiti·Abula;Jie YANG;Hongyu SHAO;Mingdong LI;College of Agronomy,Xinjiang Agricultural University;Institute of Cereal Crops of Xinjiang Academy of Agricultural Sciences; |
| |
| Abstract: | By using complete-diallel cross design（Griffing method I）, the influence of the combination of different high-yield genotypes of maize on the drought tolerance of their offspring, the general combining ability, the specific combining ability and the back cross effect of drought tolerance between parents and the main genetic parameters for drought tolerance were analyzed. The result indicated that there were significant differences in general combining ability effects（GCA） of maize; there were highly significant differences in special combining ability effects（SCA）; there was no significant difference in reciprocal effects（R）. There were apparent differences in drought tolerance among six parents; to be specific, Zheng 58 had the highest drought tolerance, while PH4CV had the lowest. Improving drought-tolerant parents with Zheng 58, Ji 853 and Xinzi 8717 had gain superiority effects on the increase of drought tolerance in offspring. The influence of the genetic additive effect on the drought tolerance of offsprings varied with different parents and combinations. Therefore, the expression of drought tolerance inheritance genes was determined only by the additive and non-additive genetic effects but had little relationship with reciprocal effects. The selection of drought tolerance of maize should be conducted at higher generations. |
| |
| Keywords: | Maize Drought tolerance Combining ability |
| 本文献已被 维普 等数据库收录！ |
|
