受精 Fertilization Three antipodal cells Pollen tube Generative Tube nucleus Polar nuclei Egg S Synergids Sperm nuclei olar clei e Egg Sperm Zygote nucleus Synergids
受精 Fertilization Fertilization
antipodeS 雌配子体(成熟胚囊) vacuole Poler nucle CC Centrol cell E99 Egg e energ filiform app aratus 双受精 pt
雌配子体(成熟胚囊) 双受精
N raonaonua Con ea Canoe 一 Narew d也
胚的发生和发育(荠菜) Embryogenesis and development of embryo ●原胚阶段 proembryo 。e9 § stage从合 B C D 子分裂至胚器官 分化之前。 H ●胚的分化与成熟 differentiation K and maturation Q
胚的发生和发育(荠菜) Embryogenesis and development of Embryo z 原胚阶段 proembryo proembryo stage—— 从合 子分裂至胚器官 子分裂至胚器官 分化之前。 z 胚的分化与成熟 胚的分化与成熟 differentiation differentiation and maturation and maturation
knolle/wild type embryos