再炼
Re-refining
以上为机器翻译结果，长、整句建议使用 人工翻译 。
愈伤组织继代增殖分化出大量无根小苗，再诱导生根成苗，然后炼苗、田间移栽、成活率达87%。
Callus was formed and differentiated into numerous rootless plantlets, which were induced to rooting. After hardening off, the rooting plantlets were transplanted to nursery.
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