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. 2014 Jun 13;9(6):e99639. doi: 10.1371/journal.pone.0099639

Figure 5. Normal double fertilization and early embryonic development after SP vs. CP in C. oleifera.

Figure 5

(A). Polar nucleus fusion with a sperm nucleus 120 h after SP. (B). Sperm cell approaching an egg cell 96 h after SP. (C). A zygote and primary endosperm nucleus in an embryo sac 14 days after SP. (D). Polar nucleus fertilization 720 h after CP. (E). Sperm cell fused with an egg cell 6 days after CP. (F). A zygote and primary endosperm nucleus 10 days after CP. (G). A globular embryo 210 days after SP. (H). A globular embryo and suspensor 200 days after CP. Abbreviations: ec, egg cell; ge, globular embryo; pen, primary endosperm nucleus; sc, sperm cell; ss, suspensor; z, zygote. Bars: A, D = 1000 µm; B, E, F = 100 µm; C, G, H = 200 µm.