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| 小麦三雌蕊近等基因系的主要农艺性状分析 | |
| 引用本文： | 杨在君,蔡鹏,魏淑红,彭丽娟,彭正松.小麦三雌蕊近等基因系的主要农艺性状分析[J].中国农学通报,2013,29(21):31-34. |
| 作者姓名： | 杨在君 蔡鹏 魏淑红 彭丽娟 彭正松 |
| 作者单位： | 1. 西华师范大学生命科学学院,四川南充,637009 2. 四川省农业科学院园艺研究所,成都,610066 3. 普明中学,四川绵阳,621000 |
| 基金项目： | 国家自然科学基金项目“小麦三雌蕊基因pis1控制形态建成的组织及分子机理”(30871533)。 |
| 摘 要： | 为充分利用小麦三雌蕊品系的优良性状，全面分析小麦三雌蕊基因pis1对其农艺性状的遗传效应，本研究对小麦三雌蕊近等基因系CSTP，CM28TP，MY29TP和NM9TP及其相应的轮回亲本的主要农艺性状进行了分析。结果表明，各近等基因系与其轮回亲本在株高、茎粗、旗叶长、旗叶宽、有效穗数、穗长以及小穗数等7个农艺性状上差异不显著，除CSTP外，其它3个近等基因系的穗粒数明显高于其轮回亲本。但千粒重和小区产量均低于轮回亲本。相关性分析表明，小区产量与千粒重呈极显著正相关。而小区产量和千粒重都与穗粒数呈不显著的正相关，即仅提高穗粒数不能有效的提高产量。因而要利用小麦TP品系进行育种研究，其首要目标是提高千粒重。聚类分析表明，近等基因系与相应的轮回亲本聚在一起，这说明构建的近等基因系是成功的。 |
| 关 键 词： | 建议 建议 |
| 收稿时间： | 2012/9/10 0:00:00 |
| 修稿时间： | 2012/9/29 0:00:00 |
Analysis of Main Agronomic Traits of Wheat Near Isogentic Lines for Three Pistils Character |
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| Yang Zaijun , Cai Peng , Wei Shuhong , Peng Lijuan , Peng Zhengsong.Analysis of Main Agronomic Traits of Wheat Near Isogentic Lines for Three Pistils Character[J].Chinese Agricultural Science Bulletin,2013,29(21):31-34. | |
| Authors: | Yang Zaijun Cai Peng Wei Shuhong Peng Lijuan Peng Zhengsong |
| Abstract: | In order to fully utilize the fine traits of three pistils line and comprehensive analysis the genetic effects of pis1 gene on the agronomical characters, the main agronomic traits of wheat near isogentic lines, CSTP, CM28TP, MY29TP, NM9TP and their recurrent parents were investigated in this studies. The results showed that there were no obvious difference of plant height, stem diameter, flag leaf length, flag leaf width, effective panicle, spike length and spikelet number among near isogentic lines and their recurrent parents. The grain number per spike in near isogentic lines was superior to their recurrent parents except CSTP. But the 1000-kernel weight and plot yield lower than their recurrent parents. The positive correlation was found that plot yield was very significantly positive correlated with 1000-kernel weight. But the plot yield and 1000-kernel weight were no significant positive correlated with grain number per spike. In other words, it can not efficiently increase the yield only increase grain number per spike. So the priority target is to improve the 1000-kernel weight if use the three pistils line for breeding research. Cluster analysis indicated that the near isogentic lines and their corresponding parent can be classed into the same group. So the near isogentic lines were constructed successfully. |
| Keywords: | wheat three pistils near isogentic lines agronomic traits |
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