| 不同秋眠级数苜蓿品种生物量特性的研究 |
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| 引用本文： | 徐春明,贾志宽,韩清芳,刘玉华,曾庆飞,徐玉霞.不同秋眠级数苜蓿品种生物量特性的研究[J].草业学报,2003,12(6):70-73. |
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| 作者姓名： | 徐春明 贾志宽 韩清芳 刘玉华 曾庆飞 徐玉霞 |
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| 作者单位： | 1. 西北农林科技大学资源环境学院,陕西,杨凌,712100
2. 西北农林科技大学干旱半干旱研究中心,陕西,杨凌,712100 |
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| 基金项目： | 农业部948项目(2001 392),农业部农业结构调整重大项目(2002 09 02A),教育部重点研究项目(重点01167),科技部农业科技成果转化资金项目"西北旱区农田高效微集水种植技术示范与开发"资助。 |
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| 摘 要： | 对不同苜蓿品种的茎、叶及总生物量生长动态的研究表明,在一个生育期内,苜蓿的茎、叶及总生物量的动态变化符合逻辑斯蒂曲线。在该试验条件下,不同秋眠级数苜蓿品种的生物量积累潜力不同,中秋眠级数的苜蓿品种生物量积累的潜力最大,其次为低秋眠级数的苜蓿品种,高秋眠级数的苜蓿品种生物量积累的潜力最小;不同秋眠级数苜蓿品种对环境的敏感程度不同,高秋眠级数的苜蓿品种对环境的敏感程度大于低秋眠级数的苜蓿品种。
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| 关 键 词： | 生物量 秋眠级数 逻辑斯蒂曲线 |
| 文章编号： | 1004-5759(2003)06-0070-04 |
| 修稿时间： | 2002年12月19日 |
Biomass characteristics of different fall dormancy level alfalfa varieties |
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| XU Chun-ming,JIA Zhi-kuan,HAN Qing-fang,LIU Yu-hua,ZENG Qing-fei,XU Yu-xia.Biomass characteristics of different fall dormancy level alfalfa varieties[J].Acta Prataculturae Sinica,2003,12(6):70-73. |
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| Authors: | XU Chun-ming JIA Zhi-kuan HAN Qing-fang LIU Yu-hua ZENG Qing-fei XU Yu-xia |
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| Institution: | XU Chun-ming~1,JIA Zhi-kuan~2,HAN Qing-fang~2,LIU Yu-hua~1,ZENG Qing-fei~1,XU Yu-xia~1 |
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| Abstract: | The dynamic growth of various alfalfa varieties was studied, looking at stem, leaf, and total biomass change. The stem, leaf, and total biomass changes were represented well by logistic curves. Under the trial conditions, the potential to accumulate biomass differed between different fall dormancy level alfalfa varieties. The greatest potential was shown by alfalfa with intermediate fall dormancy, followed by low fall dormancy alfalfa, and was lowest for high fall dormancy alfalfa. Different fall dormancy level alfalfa varieties showed differences in sensitivity to the environment. High fall dormancy alfalfa varieties were more sensitive than low fall dormancy alfalfa varieties. |
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| Keywords: | biomass fall dormancy level logistic curve |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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