| 温度和光照时间对3个秋眠型紫花苜蓿品种形态特征的影响 |
| |
| 引用本文： | 陈玮玮,万里强,何峰,李向林,刘树军.温度和光照时间对3个秋眠型紫花苜蓿品种形态特征的影响[J].草业科学,2010,27(12):113-119. |
| |
| 作者姓名： | 陈玮玮 万里强 何峰 李向林 刘树军 |
| |
| 作者单位： | 兰州大学草地农业科技学院,甘肃,兰州,730020;中国农业科学院北京畜牧兽医研究所,北京,100094;中国农业科学院北京畜牧兽医研究所,北京,100094 |
| |
| 基金项目： | 公益性行业科研专项(200903060); 牧草基因资源发掘及种质创新技术研究(2008BADB3B01); 基本科研业务费专项(2009td-2,2010jc-6-2) |
| |
| 摘 要： | 短日照和低温是导致紫花苜蓿（Medicago sativa）秋眠的主要环境因子。本研究分析了降温与缩短光长对不同秋眠型紫花苜蓿品种形态特征的影响机制，并探讨其与秋眠性之间的关系。结果表明，光长缩短和降温互作处理对于苜蓿各项形态指标的影响显著（P<0.05）大于单一处理；降温和互作处理使非秋眠型与秋眠型苜蓿品种的分枝数减少；非秋眠型与秋眠型苜蓿品种分别在降温和光长缩短处理下叶片变狭长，茎秆生长较弱，匍匐生长明显，不同处理下苜蓿品种牧草产量和品质显著（P<0.05）降低，且光长缩短的影响大于降温处理。
|
| 关 键 词： | 苜蓿 低温 短日照 秋眠性 形态特性 |
Effect of temperature and light length on the morphological traits of three fall-dormant class varieties of Medicago sativa |
| |
| CHEN Wei-wei,WAN Li-qiang,HE Feng,LI Xiang-lin,LIU Shu-jun.Effect of temperature and light length on the morphological traits of three fall-dormant class varieties of Medicago sativa[J].Pratacultural Science,2010,27(12):113-119. |
| |
| Authors: | CHEN Wei-wei WAN Li-qiang HE Feng LI Xiang-lin LIU Shu-jun |
| |
| Institution: | CHEN Wei-wei1,2,WAN Li-qiang2,HE Feng2,LI Xiang-lin2,LIU Shu-jun2(1.College of Pastoral Agriculture Science , Technology,Lanzhou University,Gansu Lanzhou 730020,China,2.Beijing Institute of Animal Science of CAAS,Beijing 100094,China) |
| |
| Abstract: | Low temperature and short light length are the main environmental factors causing the fall dormancy of Medicago sativa.An experiment was conducted in the laboratory to determine the effect of combination of different temperature and light length on morphological traits of three varieties of M.sativa with different fall dormancy classes.The major results of this study showed that the interaction effectiveness of temperature reduction and light length reduction on morphological traits of alfalfa varieties wer... |
| |
| Keywords: | Medicago sativa low temperature short light length fall dormancy morphological traits |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《草业科学》浏览原始摘要信息 |
| 点击此处可从《草业科学》下载免费的PDF全文 |
|
