NING Yunfen,WANG Mengwei,JIA Rui,et al.Effect of Shade on Flower Bud Differentiation of Euphorbia pulcherrima[J].Northern Horticulture,2016,40(05):73-76.[doi:10.11937/bfyy.201605021]
遮光处理下一品红花芽分化的形态学观察
- Title:
- Effect of Shade on Flower Bud Differentiation of Euphorbia pulcherrima
- 文献标志码:
- A
- 摘要:
- 以一品红“金奖”为试材，研究遮光处理下花芽分化的形态发育过程。结果表明：遮光处理24 d后一品红开始进行花芽分化，整个花芽分化过程持续约38 d，其花芽分化分为花芽未分化期、生长锥伸长期、花序原基和小花原基分化期、花器官分化期4个时期。植株的苞片数与花芽分化进程呈显著相关，苞片数为1~2片，茎尖生长锥处于伸长期；大苞片3~5片，小苞片2~4片，为花序原基和小花原基分化期；大苞片5~8片，小苞片3~5片，为花器官分化期。
- Abstract:
- The flower bud morpho-differentiation under shade of Euphorbia pulcherrima was studied with the cultivars of ‘Gold medal’.The results showed that flower bud differentiation began at 24 days after shading，the process of flower bud differentiation lasted for about 38 days，it could be divided into four stages，i.e.Undifferentiation phase，apical elongation phase，inflorescence and small floral primordium differentiation phase，flower organ differentiation phase，bract number of the plant and flower bud differentiation process was significantly related.
参考文献/References:
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备注/Memo
第一作者简介：宁云芬（1975-），女，博士，副教授，现主要从事花卉栽培的教学与科研等工作。E-mail：ningyunfen@yeah.net.基金项目：广西自然科学基金资助项目（2014GXNSFAA118121）；广西教育厅高校科研资助项目（YB2014010）；广西大学大学生实验技能和科技创新能力训练基金资助项目（201410593185）。