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镧稀土对青钱柳试管苗生长及生理的调节作用
引用本文:谢寅峰,王莹,张志敏,尚旭岚,杨万霞,方升佐.镧稀土对青钱柳试管苗生长及生理的调节作用[J].东北林业大学学报,2010,38(8).
作者姓名:谢寅峰  王莹  张志敏  尚旭岚  杨万霞  方升佐
作者单位:南京林业大学,南京,210037;南京林业大学,南京,210037;南京林业大学,南京,210037;南京林业大学,南京,210037;南京林业大学,南京,210037;南京林业大学,南京,210037
基金项目:林业公益性行业科研专项经费项目,江苏省高新技术研究计划,江苏省高等学校创新团队科研计划,江苏省"六大人才高峰"资助项目 
摘    要:探讨了不同质量浓度的稀土镧(1、2、5、10mg/L)对靑钱柳试管苗生长及生理的影响。结果表明:培养基中添加适量的镧稀土能有效提高试管苗单株鲜质量增量、苗高、分化芽数目、单株叶片数、叶绿素、可溶性糖、蛋白质含量及SOD、POD活性等,降低叶绿素a/b值,以5mg/L处理效果最佳。与不加镧的对照相比,相应的各指标分别提高47.33%、13.51%、40.65%、42.07%、36.0%、37.96%、108.12%、65.32%、54.88%和降低24.27%,均达到显著或极显著水平。说明适当质量浓度的镧处理不仅能显著促进试管苗的生长和分化,还能有效改善其生理特性,增强试管苗的抗逆能力,起到壮苗的作用

关 键 词:青钱柳  试管苗  稀土镧  生长  生理

Regulatory Effects of La Rare Earth on Growth and Physiology of Cyclocarya paliurus Microshoots
Xie Yinfeng,Wang Ying,Zhang Zhimin,Shang Xulan,Yang Wanxia,Fang Shengzuo.Regulatory Effects of La Rare Earth on Growth and Physiology of Cyclocarya paliurus Microshoots[J].Journal of Northeast Forestry University,2010,38(8).
Authors:Xie Yinfeng  Wang Ying  Zhang Zhimin  Shang Xulan  Yang Wanxia  Fang Shengzuo
Institution:Xie Yinfeng,Wang Ying,Zhang Zhimin,Shang Xulan,Yang Wanxia,Fang Shengzuo(College of Forest Resources , Environment,Nanjing Forestry University,Nanjing 210037,P.R.China)
Abstract:An experiment was conducted to study the effects of different concentrations of La rare-earth (1,2,5,10 mg/L) on the growth and physiology of Cyclocarya paliurus microshoots.Results showed that the increment of fresh weight,microshoot height,number of differentiated buds,leaf number of a single microshoot,contents of chlorophyll,soluble sugar and protein,and SOD and POD activities were effectively improved by adding a suitable concentration of La rare-earth in culture medium,while chlorophyll a/b ratio decr...
Keywords:Cyclocarya paliurus  Microshoots  La rare-earth  Growth  Physiology  
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