| 紫花苜蓿品种根瘤菌表型多样性研究 |
| |
| 引用本文： | 万晓红,韦革宏,杨亚珍,朱毓华.紫花苜蓿品种根瘤菌表型多样性研究[J].草地学报,2004,12(4):276-280. |
| |
| 作者姓名： | 万晓红 韦革宏 杨亚珍 朱毓华 |
| |
| 作者单位： | 西北农林科技大学资源环境学院,陕西,杨凌,712100;西北农林科技大学资源环境学院,陕西,杨凌,712100;黄土高原土壤侵蚀与旱作农业国家重点实验室,陕西,杨凌,712100 |
| |
| 基金项目： | 陕西省科技攻关项目
,
全国高等学校优秀博士学位论文作者专项基金
,
高等学校优秀青年教师教学科研奖励计划 |
| |
| 摘 要： | 选用52株分离自22个紫花苜蓿品种的根瘤菌和34株已知参比菌株,进行生长温度、营养利用、抗生素抗性和耐逆性等113个表型性状研究,结果表明:NWMSH022、NWMSH023和NWMSH028这3株菌抗逆性较强;通过MINTS软件分析,得到数值分类树状图;在89%的相似水平上,除NWMSH009和NWMSH023,供试未知菌株聚为不含已知参比菌株的新表观群,该表观群是否为新属种有待进行基因研究.
|
| 关 键 词： | 草原学 紫花苜蓿 根瘤菌 表型多样性 |
| 文章编号： | 1007-0435(2004)04-0276-05 |
| 修稿时间： | 2003年7月3日 |
Phenotype Diversities of Rhizobia Isolated from Different starins of Medicago sativa |
| |
| WAN Xiao-hong,WEI Ge-hong.Phenotype Diversities of Rhizobia Isolated from Different starins of Medicago sativa[J].Acta Agrestia Sinica,2004,12(4):276-280. |
| |
| Authors: | WAN Xiao-hong WEI Ge-hong |
| |
| Institution: | WAN Xiao-hong~1,WEI Ge-hong~ |
| |
| Abstract: | A study of 113 phenotype features, including plant-growing temperature, nutrition utilization, antibiotic resistance, and NaCl and alkali tolerance, of 52 strains of Medicago sativa, isolated from the rhizobia of 22 M.sativa strains and 34 representative strains, was conducted. The result shows that the three strains: NWMSH022, NWMSH023, and NWMSH028 boast stronger NaCl and alkali tolerance than the others. By the analysis of MINTS software, a dendrogram of numerical taxonomy shows that, except NWMSH009, and NWMSH023, all the examined strains cluster into one phenotype at a similarity level of 89%. It takes a further genetic study to determine whether this new phenotype differs from the known rhizobial species. |
| |
| Keywords: | Grassland science Medicago sativa Rhizobium Phenotype diversity |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
