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Phenotypic analysis in siliques and embryogenesis in pdm4 mutant. (A) Seeds in wild-type plants. (B) Seed segregation in siliques from a pdm4/+ heterozygous plants. (C–L) Cleared seeds observed under differential interference contrast (DIC). Embryo development of wild type (C–G) and pdm4 (H–L) at globular, heart, torpedo, walking-stick, and cotyledon stages. Scale bars: (A, B), 2 mm; (C–L), 1 mm.
