当前位置: 首页 > 文章 > 硝酸镧对流苏石斛试管苗生长的影响 南京林业大学学报(自然科学版) 2009,33 (4) 158-160
Position: Home > Articles > Effects of lanthanum nitrate on growth of Dendrobium fimbriatum tube seedling Journal of Nanjing Forestry University(Natural Sciences Edition) 2009,33 (4) 158-160

硝酸镧对流苏石斛试管苗生长的影响

作  者:
莫昭展;曹福亮;欧祖兰
单  位:
玉林师范学院化学生物学系;南京林业大学森林资源与环境学院
关键词:
流苏石斛;硝酸镧;生长生理指标
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。
译  名:
Effects of lanthanum nitrate on growth of Dendrobium fimbriatum tube seedling
作  者:
MO Zhao-zhan1,CAO Fu-liang2,OU Zu-lan2(1.Department of Chemistry and Biology,Yulin Normal University,Yulin 537000,China;2.College of Forest Resources andEnviroment,Nanjing Forestry University,Nanjing 210037,China)
关键词:
Dendrobium fimbriatum;lanthanum nitrate;growth and physiological indexes
摘  要:
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 tube seedling.

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