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. 2020 Jul 31;9(8):971. doi: 10.3390/plants9080971

Figure 7.

Figure 7

In vitro micropropagation of peach (P. persica) rootstock cv. “Bailey-OP”. (a) Shoot culture explant source from greenhouse-grown plant. Top (b) and bottom (c) views of an individual in vitro shoot cluster of peach rootstock “Bailey-OP” derived from a single shoot explant after 50 days of cultivation on LP medium supplemented with 4.5 µM 6-benzylaminopurine (BAP) and 0.5 µM IBA. Rooted shoot without (d,e) or with (f,g) exposure to VCs emitted by C. sphaerospermum isolate TC09 for 10 days. (h) Growth of plantlets previously treated without (tray on left, control) and with (tray on right) volatile compounds (VCs) 1 month after transplanting to soil in 1020 trays. In this representative comparison, control tray contains 36 surviving plants out of 100 transplanted plants. The tray on right side has 46 surviving plants out of 52 transplanted plants. (i) Normal growth and development of in vitro propagated “Bailey-OP” plants 3 months after transplanting.