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当前位置: 首页 > 文章 > 异株荨麻(Urtica dioica)种子萌发特性研究 北京农学院学报 2006,21 (3) 34-38
Position: Home > Articles > Study on Seed Germination of Urtica dioica Journal of Beijing University of Agriculture 2006,21 (3) 34-38

异株荨麻(Urtica dioica)种子萌发特性研究

作  者：
刘悦秋;孙向阳;王保平
单  位：
国家林业局泡桐研究开发中心;北京农学院园林系;北京林业大学水土保持学院
关键词：
异株荨麻;温度;稀土;赤霉素;pH;种子萌发
摘  要：
运用双因素随机区组设计方案,系统研究了温度和稀土、温度和赤霉素对药用植物异株荨麻(Urticadioica)种子萌发的影响。结果表明,异株荨麻种子在15~40℃恒温条件下均能发芽,但不同温度下种子发芽率和发芽势均差异显著(P<0.05),温度过高或过低均不利于种子萌发,适宜的温度为30~35℃,最适温度约为30℃。稀土溶液在25~500 mg/L范围内,均可有效促进种子萌发,浓度为100 mg/L时,种子发芽势和发芽率均最高。赤霉素溶液浓度在25~600 mg/L范围内,均可促进种子萌发,最适宜浓度为400 mg/L。温度和稀土对异株荨麻种子发芽率无明显交互作用,而温度和赤霉素对促进种子发芽有显著的交互作用,各种组合中,以温度为30℃和35℃、赤霉素溶液浓度分别为400、500和600 mg/L的6个组合的交互效应对种子发芽率的提高最为显著。异株荨麻种子在中性条件下最易发芽,随着酸碱度的增加,种子发芽率逐渐降低。
译  名：
Study on Seed Germination of Urtica dioica
作  者：
LIU Yue-qiu~(1,2),SUN Xiang-yang~(2),WANG Bao-ping~(3)(1.Department of landscape,Beijing Agricultural College,Beijing 102206,China;2.Department of water and soil holding of Beijing Forestry University,Beijing 100081,China;3.Paukwnia research and development center of State Forestry Administration,Zhengzhou Henan 450003,China)
关键词：
Urtica dioica seed;temperature;lanthanon;gibberellin;pH;seed germination
摘  要：
The effects of temperature and lanthanon or temperature and gibberellin on seed germination to Urtica dioica were studied in laboratory using double factors randomized block design.Results indicated there were significant different germination rates at different temperatures range of 15 to 40 ℃.The optimum germination temperatures of the seeds were 30 to 35 ℃.Both the lanthanon and gibberellin solutions could improve the seeds germination at the concentrations of 25~500 mg/L and 25~600 mg/L,respectively,the optimum germination lanthanon and gibberellin solution concentrations were 100 mg/L and 400mg/L,respectively.The combined temperature and lanthanon showed no interacting effect on seed germination while effect was significant between the combination of temperature and gibberellin.Among all the combination of temperature and gibberellin,the 6 combinations of 30 and 35 ℃ combined with 400,500 and 600 mg/L GA_(3) generated the best effects to seed germination.

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