Fig. 1From: Plant regeneration and transformation of Trachyspermum ammi using Agrobacterium tumefaciens and zygotic embryosIn vitro regeneration of Trachyspermum ammi using zygotic embryos. a Callus formation. b Callus development. c Monopolar regeneration. d Leaf emergence. e Isolated embryo on B5 media supplemented with 0.5 mg/l BA and 1 mg/l NAA. f Callus induction from mature embryos. g Shoot regeneration from an embryo-derived callus. h Elongation of shoot and root. i Regenerated plantlet from the zygotic embryo. and j The appearance of the inflorescenceBack to article page