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. 2023 May 9;14:1130471. doi: 10.3389/fpls.2023.1130471

Figure 1.

Figure 1

Initiation of callus tissues in Pinus massoniana Lamb. (A, B) Embryogenic callus produced from seed family GX1 on the number 2 medium ( Table 1 ) with PGRs (1.0 mg/L 2,4-D and 1.0 mg/L 6-BA). (C) Embryogenic callus produced from seed family GX1 on the number 1 medium with PGRs (1.0 mg/L 2,4-D and 0.5 mg/L 6-BA). (D, E) Embryogenic callus produced from seed family GX1 on the number 6 medium with PGRs (2.0 mg/L 2,4-D and 1.0 mg/L 6-BA). (F) Embryogenic callus produced from family GX4 on the number 2 medium with PGRs (1.0 mg/L 2,4-D and 1.0 mg/L 6-BA). (G) Embryogenic callus produced from family GX4 on the number 1 medium with PGRs (1.0 mg/L 2,4-D and 0.5 mg/L 6-BA). (a–g) Characteristics of callus tissues (A, B) under the stereomicroscope. (A–G) Scale bar = 1.0 cm. (a–g) Scale bar = 0.1 cm.