上胚轴

基本解释 (translations)

epicotyl

与上胚轴相关的网络例句 [注：此内容来源于网络，仅供参考]

We studied effects of different hormones and combination on buding and rootting of Citrus reticulata Blanco epicotyl in tissue culture.

椪柑无菌苗上胚轴为实验材料进行离体培养，研究了不同种类的激素及其组合对椪柑上胚轴出芽及再生芽生根的影响。

Epicotyl The part of the plumule above the cotyledons.

上胚轴：是子叶着生点以上的胚轴部分。

There is no transition between root and epicotyl of dicotyledonous seedlings with epigeal germination, whereas only having a directly simple connection between the tissues with the same radially developmental direction.

真叶叶迹的木质部与下胚轴中靠近韧皮部的后生木质部或次生木质部连接。根与上胚轴之间不存在维管组织的过渡、转变，而只是在同样发育方向的组织中有一种直接的简单的连接

Afterwards they were cultivated in Petri dish in the constant temperature incubator in Knop until the length of epicotyl of broad bean was perhaply 3 cm that could be treated by ultraviolet B radiation.

当蚕豆的上胚轴长到大约 3cm时，在光背景为 70μmol· m- 2 · s- 1条件下，分别用 1 。0 2、3.0 3、4.52 k J· m- 2 的 UV- B辐射蚕豆的上胚轴 7h。

The results of biochemical analysis indicated that the content of GA 3 increased and the content of ABA decreased in cotyledons during the breaking of epicotyl dormancy, and the contents of endogenous growth regulators changed only slightly in the endosperm. We suggested that cotyledons be a key part controlling the epicotyl dormancy in peony seeds.

生化测定结果表明：在低温打破牡丹种子上胚轴休眠过程中，子叶中的萌发促进剂GA3 含量明显升高，抑制剂ABA 含量显著下降；而胚乳中的各种激素含量则变化不大，胚轴中的激素变化无明显规律，因此认为子叶是控制牡丹种子上胚轴休眠的关键部位。

The results showed that, all the treatments can shorten the time of epicotyl germination of 'Fengdan', the 28 days chilling treatment was the shortest, and the next was 21 days chilling treatment and 300 mg/L GA3 treatment; in a certain range of GA3 concentrations, higher concentrations, higher seed germination index and germination rate in 'Fengdan'; the seed germination index and germination rate of 'Fengdan' after different time chilling treatments were higher than the control, in which, the treatment of 21 days chilling had the highest germination index and germination rate.

研究了不同时间的低温(4℃)处理及不同浓度的GA3处理对凤丹种子上胚轴萌发及幼苗生长的影响，结果表明：所有处理均能缩短凤丹种子上胚轴萌发时间，以低温28天处理初萌期最短，其次是低温21天和300mg/L GA3处理；在一定的GA3浓度范围内，浓度越高，凤丹种子发芽指数与发芽率越高；不同时间低温处理后凤丹种子发芽指数与发芽率均高于时照，其中低温21天处理是所有处理中发芽指数与发芽率最高的。

Moutan has two different reproduction ways:obligate seed reproduction and amphitrophic reproduction;the dormitory of its embryo has two stages of epicotyl and hypocotyl;the dormitory could be end if it is treated with two temperature conditions.

Moutan生殖特性，具有根状茎、块根、根出条多种形式的以营养繁殖为主、种子繁殖为辅和专性种子有性生殖的两种类型；胚具有上胚轴、下胚轴两段休眠特性，打破休眠需按一定的程序和两种不同的温度条件；……。

The results showed that transformed buds could be obtained after the epicotyl segments were cultured on co-culture medium (MS+3mg/L BA) for 3 days and then on selective medium with 100 mg/L Kanamycin and 500 mg/L Cefotaxime for 2 weeks. The transformation efficency of Sweet orange with the chit42 and phyB genes reached 27.8% and 35.6%, respectively.

上胚轴经农杆菌工程菌液浸染后，在共培培养基(MS+3mg/LBA)上培养3d，然后分别转移到含有100mg/L Kan（卡那霉素，Kanamycin）和500mg/L Cef（头孢噻肟霉素，Cefotaxime）的选择培养基上培养14d后，上胚轴开始分化抗性芽，chit42基因和phyB基因的抗性芽再生率分别为27.8%和35.6%。

With the competent germinating epicotyl of cotton as receptor in exogenous gene transformation, NPTII (neomycin phosphotransferase Ⅱ) gene carrying selection marker and GFP reporter gene were mediated into cotton by agrobacterium-mediated transformation. The pre-culture time, bacterial-immersing time, co-culture time and antibiotics concn., etc of using agrobacterium-mediated transformation in the transformation of competent germinating epicotyl of cotton were studied.

方法］以棉花感受态萌动的上胚轴作为外源基因转化的受体，用农杆菌介导法将携带有筛选标记NPTII基因及GFP报告基因导入棉花，研究了农杆菌介导法用于棉花感受态萌动上胚轴转化的预培养时间，浸菌时间，共培养时间及抗生素处理浓度等。

MethodWiththe competent germinating epicotyl of cotton as receptor in exogenous gene transformation,NPTIIgene carrying selection marker and GFPreporter gene were mediated into cotton by agrobacterium-mediated transformation.The pre-culture time,bacterial-i mmersing ti me,co-culture ti me and antibiotics concn.,etc of using agrobacterium-mediated transformationinthe transformation of competent germinating epicotyl of cotton were studied.

方法以棉花感受态萌动的上胚轴作为外源基因转化的受体，用农杆菌介导法将携带有筛选标记NPTII基因及GFP报告基因导入棉花，研究了农杆菌介导法用于棉花感受态萌动上胚轴转化的预培养时间，浸菌时间，共培养时间及抗生素处理浓度等。

与上胚轴相关的网络解释 [注：此内容来源于网络，仅供参考]

epicotyl：上胚轴

胚轴由胚芽(Plumule)、上胚轴(epicotyl)、下胚轴(hypocotyl)、和胚根(radicle)所组成. 下胚轴与胚根的分界点通常不易区别. 子叶附著在下胚轴. 子叶的数目因植物种类而异. 大多数的双子叶植物皆有两片子叶. 裸子植物中除conifer 有较多的子叶之外,

epicotyl：胚轴

由胚性细胞组成,当种子萌发时,这些细胞能很快分裂,长大,使胚根和胚芽分别伸长,突破种皮,长成新植物体的主根和茎,叶,同时,胚轴也随着一起生长,成为幼根或幼茎的一部分.胚轴一般可分为上胚轴(epicotyl)和下胚轴(hypocotyl)两部分,

epicotyl：胚芽;子叶上轴;上胚轴

胚休眠 embryonal diapause | 胚芽;子葉上軸;上胚軸 epicotyl | 胚液 embryo juice

epicotyl dormancy：上胚軸休眠

胚芽;子叶上轴;上胚轴 epicotyl | 上胚轴休眠 epicotyl dormancy | 上角皮层 epicuticle

short epicotyl：短的上胚轴

short duration variations 短期変動 | short epicotyl 短的上胚轴 | short extended 列入细数

paraxial mesoderm, epimere：副轴中胚层(上胚节)

副神经节paraganglia | 副轴中胚层(上胚节)paraxial mesoderm, epimere | 酞胺哌啶酮综合征thalidomide syndrome

epaxial muscle,epimere：轴上肌(上胚节)

轴下肌(下胚节)hypaxial muscle,hypomere | 轴上肌(上胚节)epaxial muscle,epimere | 轴-体突触axo-somatic synapse

hypocotyl：下胚轴

胚轴由胚芽(Plumule)、上胚轴(epicotyl)、下胚轴(hypocotyl)、和胚根(radicle)所组成. 下胚轴与胚根的分界点通常不易区别. 子叶附著在下胚轴. 子叶的数目因植物种类而异. 大多数的双子叶植物皆有两片子叶. 裸子植物中除conifer 有较多的子叶之外,

Epidermal：上皮的

epicotyl 上胚轴 | epidermal 上皮的 | epidermic 上皮的

epicuticle：上角皮層

上胚轴休眠 epicotyl dormancy | 上角皮层 epicuticle | 南美树兰属 Epidendrum; epidendrum