vegetative nucleus

Pollination is in 3 - cell period including a vegetative nucleus and the two sperm cells .

传粉时期为包括一个营养核与两个精子的3&细胞花粉。

Embryogenic pollen was formed by repeated divisions of the vegetative nucleus .

胚性花粉粒是由营养核的重复分裂形成的。

Positional shift between the vegetative nucleus and the generative cell in Amaryllis pollen tube

朱顶红花粉管中营养核和生殖细胞位置的变换

Vegetative nucleus shows irregular form . the microspores complete the mitosis and generate double-nucleus pollen ;

小孢子再经有丝分裂形成营养核和生殖核，生殖核再经有丝分裂形成3-核花粉。

10.It is after the formation of sperm cells that the vegetative nucleus degenerates seriously .

10.营养核在精子形成后极度退化。

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。

Applying the Laser Microbeam Technique to the Study of the Vegetative Nucleus Function on Division of the Generative Cell in the Development of the Male Gametophyte of Clivia nobilis

激光微束技术研究君子兰花粉管中营养核对生殖细胞分裂的作用

Cytoplasmic strand splits before or after the displacing of the vegetative nucleus . Cytoplasm shrink to the two poles , so that the strand disappears gradually .

细胞质索在营养核位移前，或位移后断裂，细胞质分别缩回到两极而索消失。

The intensity of colour in generative nucleus by using Feulgen reaction was deeper than vegetative nucleus and two sperms forming later . The generative cell and vegetative nucleus gave a positive reaction to PAS stain .

生殖细胞核孚尔根染色反应要比营养核以及后来形成的两个精核的染色深，生殖细胞与营养核PAS反应均为阳性。