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当前位置: 首页 > 文章 > 南京椴花芽分化研究 南京林业大学学报(自然科学版) 2008,32 (4) 59-62
Position: Home > Articles > Study of flower bud differentiation of Nanjing linden Journal of Nanjing Forestry University(Natural Sciences Edition) 2008,32 (4) 59-62

南京椴花芽分化研究

作  者：
高芬;沈永宝
单  位：
南京林业大学风景园林学院;南京林业大学森林资源与环境学院
关键词：
南京椴;花芽分化;石蜡切片法
摘  要：
利用石蜡切片法观察南京椴花芽分化过程。结果表明:南京椴越冬休眠芽为混合芽,萌发后叶腋处形成花芽。花芽分化时期为当年3月底至5月初,历时35~40 d,具有分化时间短、速度快的特点。花芽分化包括花序分化和小花分化两个过程,可划分为花芽分化始期、花序原基分化期、小花原基分化期、花萼原基分化期、花瓣原基分化期、雄蕊原基分化期、雌蕊原基分化期等7个时期。
译  名：
Study of flower bud differentiation of Nanjing linden
作  者：
GAO Fen1,SHEN Yong-bao2*(1.College of Landscape Architecture Nanjing Forestry University,Nanjing 210037,China;2.College of Forest Resources and Environment Nanjing Forestry University,Nanjing 210037,China)
关键词：
Tilia miqueliana;Flower bud differentiation;Paraffin cut method
摘  要：
The paraffin cut method was used to observe the flower bud differentiation of Tilia miqueliana.The results showed that Tilia miqueliana hiemal bud belonged to mixed bud.After the sprout of mixed bud,flower bud was formed in leaf axil.Flower bud was differentiated in the same year from the end of March to the early May,i.e.,it took about 35 to 40 days totally.The flower bud differentiation was that of short duration and fast development.The differentiation included two processes with inflorescence differentiation and floret differentiation.All flower bud differentiation was divided into seven developmental stages,i.e., initial differentiation phase,inflorescence primordium differentiation phase,floret primordium differentiation phase,sepal primordium differentiation phase, petal primordium differentiation phase,stamen primordium differentiation phase and pistil primordum differentiation phase.

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