查询词典 pollen tube

The experiment material is apricot and almond in this paper,passed TTC method to carried on examination the agnate pollen of vitality before pollination;after the investigation fruit set percentage,using of DPSv3.01 analyzed the date;the pollen tube behavior and bourgeon were observed by means of flurescence microscopy;the orthogonal design was used to optimize SSR amplification system of apricot hybrids in five factors at four levels respectively;making use of the new SSR-PCR system analyse the 50s hybrids.

本文以仁用杏及扁桃为试验材料，通过TTC染色法对授粉前父本花粉的活力进行了测定，运用DPSv3.01专业版数据处理系统软件对授粉后坐果率的调查数据进行了分析；利用荧光显微技术对花粉在柱头的萌发情况及花粉管的生长状况进行了动态观察；采用正交设计对仁用杏杂交苗SSR-PCR反应的5因素4水平进行试验；在新体系的基础上对50个杂交苗进行了分析。

Effects of ion beam implantation on pollen germination and pollen tube growth of Cedrus deodara were investigated by the laser confocal microscopy technique.

用激光扫描共聚焦显微技术研究了低能离子注入对雪松花粉管萌发和生长的影响。

As the male gametophyte, pollen delivers sperm to the embryo sac for fertilization by pollen-tube polarized growth.

花粉作为种子植物的雄配子体，通过萌发后极性生长的花粉管将精细胞送到胚囊完成受精作用。

About 12 months earlier, the pollen grain germinated, producing a pollen tube that slowly digested its way through the tissues of the nucellus toward the developing megagametophyte.

大约 12 年之前，花粉谷粒发芽，产生慢慢地经过向发展中的 megagametophyte 的 nucellus 的薄的纱织品消化了它的方法的花粉管。

Shortly after the pollen grain comes in contact with the nucellus, it germinates to form a pollen tube.

在不久之后，花粉谷粒用 nucellus 进来连络，它发芽形成花粉管。

Extracellular matrix plays a very important role in the course of interaction between pistil and pollen, especially in recognition and guidance of pollen tube.

雌蕊胞外基质对雌蕊与花粉的识别以及花粉管的定向生长有着重要的作用，是近年来植物生殖生物学的研究热点之一。

The results showed that there was obvious difference in the damages of the pollen germination and the pollen tube growth led by the radiant factors.

研究结果表明，3种辐照源对黑松花粉粒萌发和花粉管生长所表现出的效应存在明显的差异。

Pollen germination along with pollen tube growth is an essential process for the reproduction of flowering plants.

花粉萌发即花粉沿着花粉管的生长过程，是开花植物繁殖的一个必要过程，这个过程是研究细胞生长和形态发生的一个理想模型。

With the pollen germination and pollen tube growth temperature was 25℃, the best culture time for 60 min.

培养时间为60min时，花粉萌发和生长较好。

Adding purified stylar S-RNase from Prunus mume cultivar 'Gessekai' to liquid medium, for cultivating self- and cross-pollen at temperatures lot, 25℃ and 35℃, respectively, then determining the rate of pollen germination and the length of pollen tube after different periods of cultivating time.

在液体培养基中添加从果梅'月世界'花柱中纯化的S-RNase，并分别于10℃、25℃和35℃条件下培养自花、异花花粉，测定不同培养时间后的花粉萌发率和花粉管生长长度；离体条件下进行果梅花柱S-RNase降解花粉管RNA反应后，用琼脂糖凝胶电泳检测不同温度条件下自花、异花花粉管RNA被降解的程度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。