| 北京地区不同秋眠级苜蓿品种适应性评价 |
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| 引用本文： | 刘艺杉,刘自学,苏爱莲,李晓光.北京地区不同秋眠级苜蓿品种适应性评价[J].草业科学,2008,25(2):60-63. |
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| 作者姓名： | 刘艺杉 刘自学 苏爱莲 李晓光 |
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| 作者单位： | 北京克劳沃草业技术开发中心,北京,100029;北京克劳沃草业技术开发中心,北京,100029;北京克劳沃草业技术开发中心,北京,100029;北京克劳沃草业技术开发中心,北京,100029 |
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| 基金项目： | 全国牧草种资源保护项目 |
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| 摘 要： | 对14个紫花苜蓿Medicago sativa品种在北京地区的表现进行观测,并对主要性状指标进行分析.结果表明:参试各品种秋眠级不同其春季生长速度、秋季生长速度、产草量及越冬率都有明显的差异,秋眠级高的品种生长速度快、产草量高,但越冬率低、秋眠级低的品种与之相反;地温也影响苜蓿生长速度;茎叶比与鲜干比各品种之间无明显变化,但与茬次有显著变化.
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| 关 键 词： | 北京地区 苜蓿 秋眠级 适应性 比较 |
| 文章编号： | 1001-0629（2008）02-0060-04 |
| 收稿时间： | 2007-02-01 |
| 修稿时间： | 2007年2月1日 |
Comparison of the adaptation of fourteen alfalfa varieties with different fall-dormancy in Beijing area |
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| LIU Yi-shan,LIU Zi-xue,SU Ai-lian,LI Xiao-guang.Comparison of the adaptation of fourteen alfalfa varieties with different fall-dormancy in Beijing area[J].Pratacultural Science,2008,25(2):60-63. |
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| Authors: | LIU Yi-shan LIU Zi-xue SU Ai-lian LI Xiao-guang |
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| Abstract: | The main performance indexes of 14 alfalfa varieties were measured and analyzed in Beijing area.The result indicated that the growth rates in spring and autumn,forage yield and over-wintering rate showed significant difference along with different fall dormancy.The varieties with high level of fall dormancy performed higher growth rate,forage yield and lower over-wintering rate.The growth rate of tested alfalfa varieties was affected by soil temperature.The stem/leaf ratio did not show significant difference among varieties,but it was affected by the number of harvest. |
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| Keywords: | Beijing area alfalfa fall dormancy adaptation comparison |
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