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Morphological characteristics of embryogenic cultures of C. papaya subjected to maturation treatments (control) (A); (PEG3) (B); (PEG6) (C) and (PEG9) (D). Morphological characteristics of cotyledonary (mature) somatic embryos (E); and regenerated plantlets (F). PEG: polyethylene glycol; Bars: (A-D): 0.5 mm; (E): 0.2 mm and (F): 15 mm.
