©花粉管在花柱、珠孔等处生长受阻 PT cannot enter into style and micropyle O不能实现受精not fertilization O配子不能融合致使受精失败No fusion of gametes Biology of plant reproductionBiology of plant reproduction 8 ◎花粉管在花柱、珠孔等处生长受阻 PT cannot enter into style and micropyle ◎不能实现受精not fertilization ◎配子不能融合致使受精失败 No fusion of gametes