The pollen grains with different ecological style of germinal apertures in length, width, length and width of lid, shape of lid and the extent of protuberances etc., especially with several hollows could be the factors resulting in the different germinati
The pollen grains with different ecological style of germinal apertures in length, width, length and width of lid, shape of lid and the extent of protuberances etc., especially with several hollows could be the factors resulting in the different germinati
在花粉群体的观察中发现：花粉萌发率最低的杰兔品种花粉粒中，有明显“干瘪”形状的花粉粒比例高达80.00%。