四倍体刺槐自身花粉粒的形状结构之间表现出丰富的变异：体积与形状多样，萌发孔沟的数量及位置不固定，外壁表面的纹饰特征彼此不同等等；
There were remarkable variations in the shape, volume, location and number of bourgeon -hole channels and veins on surface of pollen among pollens of TRP.
败育花粉的特征是花粉粒小，超微结构异常。
The abortive pollen was small than normal pollen and it's microstructure was abnormal.
应用推荐