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低温和赤霉素对紫斑牡丹种子萌发和幼苗生长的影响

于玲 钟原 王莹 成仿云

于玲, 钟原, 王莹, 成仿云. 低温和赤霉素对紫斑牡丹种子萌发和幼苗生长的影响[J]. 北京林业大学学报, 2015, 37(4): 120-126. doi: DOI:10.13332/j.1000-1522.20140240
引用本文: 于玲, 钟原, 王莹, 成仿云. 低温和赤霉素对紫斑牡丹种子萌发和幼苗生长的影响[J]. 北京林业大学学报, 2015, 37(4): 120-126. doi: DOI:10.13332/j.1000-1522.20140240
YU Ling, ZHONG Yuan, WANG Ying, CHENG Fang-yun. Effects of gibberellic acid and chilling treatments on seed germination and seedling growth of Paeonia rockii hybrids[J]. Journal of Beijing Forestry University, 2015, 37(4): 120-126. doi: DOI:10.13332/j.1000-1522.20140240
Citation: YU Ling, ZHONG Yuan, WANG Ying, CHENG Fang-yun. Effects of gibberellic acid and chilling treatments on seed germination and seedling growth of Paeonia rockii hybrids[J]. Journal of Beijing Forestry University, 2015, 37(4): 120-126. doi: DOI:10.13332/j.1000-1522.20140240

低温和赤霉素对紫斑牡丹种子萌发和幼苗生长的影响

doi: DOI:10.13332/j.1000-1522.20140240
基金项目: 

“十二五”农村领域国家科技计划课题 (2012BAD01B0704)。

详细信息
    作者简介:

    第一作者: 于玲。主要研究方向:园林植物栽培。Email:171551883@qq.com 地址:100083 北京市清华东路35号北京林业大学594号信箱。责任作者: 成仿云,教授,博士生导师。主要研究方向:园林花卉育种与促生栽培。Email:chengfy8@263.net 地址:100083 北京市清华东路35号北京林业大学园林学院。

    第一作者: 于玲。主要研究方向:园林植物栽培。Email:171551883@qq.com 地址:100083 北京市清华东路35号北京林业大学594号信箱。责任作者: 成仿云,教授,博士生导师。主要研究方向:园林花卉育种与促生栽培。Email:chengfy8@263.net 地址:100083 北京市清华东路35号北京林业大学园林学院。

Effects of gibberellic acid and chilling treatments on seed germination and seedling growth of Paeonia rockii hybrids

  • 摘要: 本文研究了在容器栽培条件下,赤霉素(GA3)处理对紫斑牡丹种子生根的影响,不同主根长度、低温((3±1)℃)时间、赤霉素(GA3)浓度对种子发芽和幼苗生长的影响。结果表明:GA3能够促进种子生根,其中质量浓度为100mg/L的处理效果最好;种子发芽过程中,主根长度与低温时间的交互效应对初萌期和发芽率存在极显著的影响;只有在主根生长超过40mm时,低温和GA3处理才能有效地促进种子发芽,在此基础上,低温14d结合100、200mg/L 或者500mg/L GA3处理为促进发芽的较好组合。当主根长度超过40mm时,低温和GA3处理才能有效地促进幼苗的生长,以低温14d结合500mg/L GA3处理为最佳组合。综合分析表明,紫斑牡丹优化的种子播种育苗程序为:用100mg/L GA3处理种子24h后室温沙藏,待主根生长超过40mm时播种,并置于低温(3±1)℃下处理14d,再用500mg/L 的GA3处理后,于温室中培养成苗。

     

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出版历程
  • 收稿日期:  2014-07-10
  • 修回日期:  2014-12-22
  • 刊出日期:  2015-04-30

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