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Journal of Genetic Engineering and Biotechnology
Fig. 1 | Journal of Genetic Engineering and Biotechnology

Fig. 1

From: High-frequency direct somatic embryogenesis and plantlet regeneration from date palm immature inflorescences using picloram

Fig. 1

In vitro stages for Medjool direct embryogenesis. a Various spathe lengths. b Procedures from sterilization to initiation culture of spathes. c and d Various responses according to spathe lengths 3–5, 5–10, 10–15, and 15–20 cm from left to right, respectively; cultured on 2.0 picloram + 0.25 2iP + 0.25 BA mg/l; note the higher response of the third length in initiation stage (c) and globularization (d). e Different responses during maturation stage; from left to right: heaviest embryonic cultures, individual embryos, multiple embryos, and vitrified embryos

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