Fig. S3.
The Arabidopsis ovule culture system. (A–E) The morphology and the time course of the embryo development in cultured ovules. The numbers indicate the duration of the culture. (A) An eight-celled embryo. (B) A 32-celled embryo. (C) Big globular embryo. (D) Heart-stage embryo. (E) Cotyledon embryo. (F and F1) The auxin distribution indicated by DR5rev::3XVENUS:N7 expression. (G and G1) The expression of WOX5::GFP in hypophysis. (H) The percentage of cultured ovules (young seeds) with normal developed embryos and suspensors.