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Bombardment and regeneration of Citrus explants. (A) Germinated seedlings in vitro; (B) Cut of epicotyls. (C) Arrangement of epicotyls in a plastic ring for bombardment. (D,E) Callus in apical regions of the explants produced in the dark after transformation. (F) Photosynthetic somatic embryos with apical dominance were produced after light exposure.
