pollen tube
花粉管
常用释义
英式发音
美式发音
基本释义
- n. [植] 花粉管
例句
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1·Pollen tube was very small.花粉管细小或畸形；
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2·Pollen tube crawled (twisted) at the stigmatic surface.花粉管在柱头内逆行生长；
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3·Research on soybean pollen tube pathway was carried out.对大豆花粉管通道技术进行深入研究。
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4·A serologic reaction retards the growth of the pollen tube.血清反应阻止花粉管生长。
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5·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；
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6·After entering the pollen tube, the generative cell approached the vegetative nucleus before long and sticked each other.当生殖细胞进人花粉管后，在较短的时间内接近营养核，并与其相贴合。
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7·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。
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8·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。
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9·More PCR positive plants could obtain by ovary-drip (4.5%) than that by pollen tube pathway (2.0%), when transformation was conducted.实际转化操作表明，子房滴注转化法的PCR阳性率（4.5%）要高于花粉管通道法（2.0%）。
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10·Results from different treatments showed that the pollen tube growing phenomenon was from the fusion between two types of protoplasts.不同处理的结果显示，这一现象来源于异核体细胞。