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蹄叶橐吾种子萌发特性的研究()

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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:: 第29卷
期数:: 2014年02期

页码:: 121-124

栏目:

出版日期:: 2014-03-30

文章信息/Info

Title:: Germination Characteristics of Ligularia fischeri Seeds

文章编号:: 1001-7461（2014）-02-0121-04

作者:: 赵婵璞¹; 刘冬云^1*; 王卫军²; （1.河北农业大学园林与旅游学院，河北保定 071000；2.河北农业大学林学院，河北保定 071000）

Author(s):: ZHAO Chan-pu¹; LIU Dong-yun^1*; WANG Wei-jun²; （1. College of Gardens and Tourism, Agricultural University of Hebei, Baoding, Hebei 071000, China; 2. College of Forestry,Agricaltural University of Hebei,Baoding,Hebei 071000,China）

关键词:: ; 蹄叶橐吾; 温度; 赤霉素; 盐; 种子萌发

Keywords:: Ligularia fischeri; temperature; gibberellin; salt; seed germination

分类号:: S722.19

DOI:: doi:10.3969/j.issn.1001-7461.2014.02.22

文献标志码:: A

摘要:: 为了研究蹄叶橐吾种子的萌发特性，通过设置不同的温度条件以及进行不同浓度的赤霉素、NaCl、Na₂SO₄溶液浸种处理，对蹄叶橐吾种子进行萌发特性研究。结果表明：蹄叶橐吾种子萌发的最适温度为25℃，发芽情况最好；赤霉素对蹄叶橐吾种子有促进作用，蹄叶橐吾种子在较低的赤霉素浓度（50-100 mg/L）处理下发芽率最高且发芽最整齐；盐分对蹄叶橐吾种子萌发有抑制作用，Na₂SO₄ 溶液的抑制作用强于NaCl溶液，当Na₂SO₄溶液和NaCl溶液的浓度分别达到150、175 mmol/L后会导致种子不萌发。

Abstract:: In order to understand the germination characteristics of Ligularia fischeri, the seeds were cultured under different temperatures and treated with plant growth regulator with different concentrations (GA3) and salts (NaCl, and Na₂SO₄). It was observed that 25℃ was the optimal temperature for seed germination. GA3 exhibited promotion effects on the seed germination, and the highest germination rate was achieved with the lower GA3 concentration (50-100 mg/L). Salts demonstrated inhibited effects on seed germination, and Na₂SO₄ was more inhibitory than NaCl, no seeds germinated when the concentrations of Na₂SO₄ and NaCl were 150, and 175 mmol/L, respectively.

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备注/Memo

备注/Memo:: 收稿日期：2013-09-04 修回日期：2013-09-18
基金项目：河北省教育厅项目（2010253）。
作者简介：赵婵璞，女，在读硕士生，研究方向：园林植物资源与应用。E-mail：674728852@qq.com
*通信作者：刘冬云，女，硕士生导师，研究方向：百合遗传育种。E-mail：dongyunliu@hebau.edu.cn

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