| 硝酸镧对流苏石斛试管苗生长的影响 |
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| 引用本文： | 莫昭展,曹福亮,欧祖兰.硝酸镧对流苏石斛试管苗生长的影响[J].南京林业大学学报(自然科学版),2009,0(4):158-161. |
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| 作者姓名： | 莫昭展 曹福亮 欧祖兰 |
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| 作者单位： | 1. 玉林师范学院化学生物学系,广西,玉林,537000
2. 南京林业大学森林资源与环境学院,江苏,南京,210037 |
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| 基金项目： | 广西教育厅项目，广西青年科学基金资助项目 |
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| 摘 要： | 探讨了不同浓度的硝酸镧对流苏石斛试管苗生长的影响。结果表明，硝酸镧对流苏石斛试管苗的增殖率、高生长、茎粗、叶长、叶宽、生根数、生根率、根长、质量增量、硝酸还原酶活性、过氧化物酶活性等有显著影响。硝酸镧质量浓度低于10 mg/L时能有效促进流苏石斛试管苗的生长分化。
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| 关 键 词： | 流苏石斛 硝酸镧 生长生理指标 |
Effects of lanthanum nitrate on growth of Dendrobium fimbriatum tube seedling |
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| MO Zhao-zhan,CAO Fu-liang,OU Zu-lan.Effects of lanthanum nitrate on growth of Dendrobium fimbriatum tube seedling[J].Journal of Nanjing Forestry University(Natural Sciences ),2009,0(4):158-161. |
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| Authors: | MO Zhao-zhan CAO Fu-liang OU Zu-lan |
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| Institution: | 1.Department of Chemistry and Biology,Yulin Normal University, Yulin 537000, China; 2.College of Forest Resources and
Enviroment, Nanjing Forestry University, Nanjing 210037, China |
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| Abstract: | Effects of lanthanum nitrate concentration on the growth of tube seedling of Dendrobium fimbriatum were investigated in this paper.The results indicated that La3+ has significant effect on multiplication rate,height growth,stem diameter,leaf length,leaf width,number of rooting,rooting rate,root length,weight gain,nitrate reductase activity and peroxidase activity of Dendrobium fimbriatum.La3+ with concentrations lower than 10 mg/L showed some significant effectiveness on growth and differentiation of test t... |
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| Keywords: | Dendrobium fimbriatum lanthanum nitrate growth and physiological indexes |
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