pollen tube是什么意思,pollen tube的意思翻译、用法、同义词、例句
常用词典
n. [植] 花粉管
例句
Generative cell One of the haploid cells in the POLLEN TUBE of seed plants.
是位于种子植物花粉管中的一个单倍体细胞。
If the S allele of the pollen tube is the same as either one of those in the style the tube will be stopped, thereby stopping all a plant's own pollen and other pollen with one of the same S alleles.
如果花粉管的S等位基因与花柱中等位基因的任何一个相同就会终止花粉管的生长,因此可以阻止一棵植株所有自身的花粉和具有一个相同S等位基因的其他植株的花粉的生长。
Self-pollen tube growth could be promoted by treating stigma with CTX, but the pollen tube growth was inhibited by treating stigma with PTX before cross pollination.
CTX处理柱头后自花授粉对自花花粉管的生长具有促进作用; 而PTX处理柱头后异花授粉,表现出对异花花粉管生长的抑制作用。
Much research has focused on the molecular mechanism of pollen development, the interaction with the pistil, germination, and pollen tube growth.
解析花粉发育、花粉-柱头识别、萌发和花粉管生长等细胞学过程的分子机制是当前研究的热点问题之一。
In some self-incompatible plants the pollen tube reaches the ovule but the ovule aborts, either because fertilization fails or because the ovule aborts at an early stage after fertilization.
某些自交不亲和植物的花粉管能到达胚珠,但胚珠败育,这其中有的是由于受精失败,有的是由于受精后的早期胚珠败育。
Incompatible pollen tubes grow more slowly and, at least in some, the pollen tube bursts before it reaches the ovule and the polysaccharide callose is deposited around the tube.
不亲和的花粉管生长较慢,(至少在某些植物中)花粉管在到达胚珠之前就会破裂,多糖类胼胝质沉积在花粉管周围。
The method of pollen tube pathway was formally established in 1983. Since then, it has been widely used in crop genetic improvement.
自1983年我国学者创立花粉管通道法以来,在多种农作物中得到应用。
The results showed that pollen germination rate, pollen tube bursting rate and net pollen germination rate had difference in the various culture mediums.
结果表明,不同培养基中七子花的花粉萌发率、花粉管破损率和花粉净萌发率有较大的差异。
At 8 ℃ the germination is delayed and the prolong of pollen tube is inhibited.
较低温度(8℃)延迟花粉萌发,抑制花粉管的伸长。
In the grasses the pollen tube is blocked at the stigma surface with pectins and callose.
禾本科植物的花粉管在柱头的表面被果胶质和胼胝质堵塞。
The process of pollen tube growth involves many aspects, especially the synthesis of cell wall and the cytoplasmic movements.
花粉管的生长过程包括许多方面,其中最为重要的是花粉管细胞壁的合成和胞质运动。
The advance on microfilament cytoskeleton in plant pollen tube and guard cells, and signal transduction involving in plant microfilament cytoskeleton were simply illustrated in this paper.
文章就植物花粉管、保卫细胞中微丝骨架以及微丝骨架与信号转导的一些研究进展作了简要介绍。
With the method of polyacrylamide gel electrophoresis analysis of the peroxidase patterns in variant progenies of soybean obtained by introduction of DNA through pollen tube.
本文采用聚丙烯酰胺凝胶电泳的方法,对利用花粉管通道途径,导入外源DNA所获大豆变异后代,进行过氧化物酶酶谱分析。
After the pollen entered the pollinic chamber, it laterally germinated to form a haustorial pollen tube.
结果显示,花粉粒进入贮粉室后,通过侧向萌发产生吸器状花粉管。
The growth process of pollen tubes and the formation date of pollen tube pathway of upland cotton were observed by using paraffin methods under microscope.
用石蜡切片法观察陆地棉的花粉管生长、受精和受精卵分裂过程及花粉管通道形成时期。
Sperm cells which occurred in pairs were released from pollen tube.
成对的精细胞可以从花粉管中释放出来。
Pathway of pollen tube growth and the duration of different phases of fertilization process were studied by paraffin sections and fluorescence microscope technique in three cultivars of wheat.
应用常规石蜡切片和荧光显微镜技术,对小麦花粉管生长途径及受精过程相应时间进行了研究。
Pollen tube was very small.
花粉管细小或畸形;
Theoptinum temperatures pollen germinating and pollen tube growing lie between 12~24℃.
花粉萌发和花粉管生长的最适温度是12~24℃之间。
To compare with parents, the mutation plants' vigor of pollens, germination percentage of pollens, and length of pollen tube were investigated.
本试验中对突变株及其亲本的花粉活力、花粉萌发率、花粉管长度进行了研究。
The variation of pollen vigor of Iris in the different storage conditions was studied and the germination and the growth of pollen tube in different temperatures were also studied.
主要研究鸢尾在不同贮藏条件下保存的花粉活力的变化,以及温度对花粉管萌发和生长的影响。
Pollen tube crawled (twisted) at the stigmatic surface.
花粉管在柱头内逆行生长;
The pollen tube entered into the embryo sac via one synergid.
花粉管经由一个助细胞进入胚囊;
网络扩展资料
花粉管是植物生殖过程中的一部分,其主要功能是将花粉粒子从雄蕊输送到雌蕊,以完成授粉过程。以下是有关花粉管的详细解释:
用法
- 花粉管是由花粉粒子在雌蕊中生长形成的细长管状结构。
- 花粉管的生长速度取决于环境条件和植物物种的不同。
- 花粉管的长度可以达到花粉粒子的几百倍,以便将花粉输送到卵细胞。
例句
英文:The pollen tube grows down through the style towards the ovary.
- 中文:花粉管从花柱向下生长,伸入花药。
英文:The growth of the pollen tube is essential for successful fertilization.
- 中文:花粉管的生长对成功受精至关重要。
近义词
- 授粉管
- 花粉导管
反义词
- 药柱
- 雄蕊
花粉
花粉是植物生殖过程中的一部分,是植物生殖细胞的携带者。以下是有关花粉的详细解释:
用法
- 花粉是从雄蕊中产生的,主要通过风或昆虫传播到雌蕊中进行授粉。
- 花粉可以是单个粒子,也可以是成百上千的颗粒聚集在一起。
- 花粉粒子的大小和形状因植物物种而异。
例句
英文:Some people are allergic to pollen and suffer from hay fever.
- 中文:有些人对花粉过敏,患有花粉热。
英文:The flowers release pollen into the air.
- 中文:花朵将花粉释放到空气中。
近义词
- 花粉粒
- 花粉团
反义词
- 卵细胞
- 受精卵