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Botanical Studies
Figure. 2 | Botanical Studies

Figure. 2

From: In vitro propagation of Gentiana scabra Bunge – an important medicinal plant in the Chinese system of medicines

Figure. 2

Influence of ventilation closures on root/shoot growth in G. scabra Bunge (a) One-stage ventilation closure: (1) 2AF8wk-2 layers of aluminum foil (AF) and incubation for 8 weeks, (2) 2DP8wk-2 layers of dispense papers (DP) for 8 weeks, (3) 3DP8wk-3 layers of DP for 8 weeks, (4) 4DP8wk-4 layers of DP for 8 weeks, (b) Two-stage ventilation closure: (1) 2AF1wk/4DP7wk-2 layers of AF for one week then AF replaced by 4 DP for the next 7 weeks, (2) 2AF2wk/4DP6wk-2 layers of AF for 2 weeks then AF replaced by 4 DP for the next 6 weeks, (3) 2AF3wk/4DP5wk-2 layers of AF for 3 weeks then AF replaced by 4 DP for the next 5 weeks, and (4) 2AF4wk/4DP4-2 layers of AF for 4 weeks then AF replaced by 4 DP for the next 4 weeks. Scale bar = 2 cm

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