| 1. | Study on floral organ culture and rapid propagation of oriental hybrid lily 东方百合花器离体培养和快速繁殖研究 |
| 2. | The development of seed and floral organ on the primary and secondary flower clusters of kyoho grapevine 葡萄主梢和副梢花器官与种子发育的研究 |
| 3. | We found that map2a gene is expressed in both non - floral and floral organs , which is the same as the pattern ofap2 and hap2 结果表明map2a基因在苹果的叶片和花瓣、萼片、雌蕊、雄蕊等花器官中均有表达。 |
| 4. | It can be divided into four sequential processes : flowering induction , signal transduction , flowering evocation and floral organ formation . the process from flower induction to flower evocation have being the focus of research 植物的开花可分为四个顺序过程:开花决定(成花诱导) 、信号传导、花的发端和花器官发育,其中从成花诱导到花的发端是人们致力研究的一个热点。 |
| 5. | Floral organs have been successfully induced from the regenerated floral buds of ffyacinthus orienralis l . by precisely controlling exogenous hormones in the medium . under high concentration of cytokinin and auxin , the regenerated floral bud produces only tepals 以风信子花被片为外植体,通过控制培养基中细胞分裂素和生长素的浓度,可诱导花芽的再生和控制产生花器官的种类,建立起离体花器官定向控制系统。 |
| 6. | Histochemical gus assay showed that the gus staining was observed only in the mature pollen and germination pollen tube . there is no detectable gus activity in other floral organs , leaves and stems . these results suggested that st901 is a novel pollen - specific gene and the 288bp promoter fragment ( - 297 ? xfrom the translation start codon atg ) is sufficient for pollen - specific expression and os - element regulatory of st901 promoter was possibly concentrated in the region - 297 to - 9 通过对gus酶活性的组织化学定位分析,表明, st901基因启动子驱动gus基因特异地在成熟花粉和花粉管中表达, st901基因具有花粉表达特性;且288bp ( - 297至- 9 ) ( atg定为+ 1 )的启动子区段足以驱动gus基因在花粉中的特异表达, st901基因启动子的花粉顺式表达元件可能位于- 297至- 9之间。 |