| 不同水分和氮素条件对栽培绞股蓝生物量和皂苷量的影响 |
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| 引用本文： | 龙云,杨睿,钟章成,谈锋. 不同水分和氮素条件对栽培绞股蓝生物量和皂苷量的影响[J]. 中草药, 2008, 39(12): 1872-1876 |
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| 作者姓名： | 龙云 杨睿 钟章成 谈锋 |
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| 作者单位： | 1. 西南大学生命科学学院,三峡库区生态环境教育部重点实验室,重庆市三峡库区植物生态与资源重点实验室,重庆,400715
2. 西南大学化学化工学院,重庆,400715 |
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| 基金项目： | 国家自然科学基金，西南大学科技基金 |
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| 摘 要： | 目的研究人工栽培条件下水分和氮素对绞股蓝Gynostemma pentaphyllum生物量和皂苷量的影响。方法对野生绞股蓝扦插苗进行水分和氮素控制实验。结果在干旱和缺氮逆境下,整株植株生物量减少,但由于β-糖苷酶活性降低,导致单位干质量叶片中绞股蓝皂苷的量增加。由于干旱使生物量减少的速率大于对皂苷积累的促进作用,表现为干旱使总皂苷产量降低,与之相反,缺氮对生物量减少的速率小于对皂苷积累的促进作用,但是氮素浓度过低也不利于皂苷积累。结论这意味着在人工种植的情况下,必须保证充足的水分供应和适度的氮肥供应才有利于绞股蓝生长,保持较高的生物量和总皂苷产量。
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| 关 键 词： | 绞股蓝 水分胁迫 氮素 生物量 皂苷 |
| 收稿时间： | 2008-05-03 |
Effect of different water andnitrogenon biomass and gypenosides in Gynostemma pentaphyllum |
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| LONG Yun,YANG Rui,ZHONG Zhang-cheng and TAN Feng. Effect of different water andnitrogenon biomass and gypenosides in Gynostemma pentaphyllum[J]. Chinese Traditional and Herbal Drugs, 2008, 39(12): 1872-1876 |
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| Authors: | LONG Yun YANG Rui ZHONG Zhang-cheng TAN Feng |
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| Affiliation: | Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Key Laboratory of Plant Ecology and Resources in Three Gorges Reservoir Region, School of Life Science, Southwest University, Chongqing 400715, China;School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, China;Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Key Laboratory of Plant Ecology and Resources in Three Gorges Reservoir Region, School of Life Science, Southwest University, Chongqing 400715, China;Key Laboratory of Eco-environments in Three Gorges Reservoir Region, Ministry of Education, Key Laboratory of Plant Ecology and Resources in Three Gorges Reservoir Region, School of Life Science, Southwest University, Chongqing 400715, China |
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| Abstract: | |
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| Keywords: | Gynostemma pentaphyllum(Thunb.) Makino water stress nitrogen biomass saponin |
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