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Fig. 3 | Plant Methods

Fig. 3

From: Hydroponic cultivation conditions allowing the reproducible investigation of poplar root suberization and water transport

Fig. 3

Developmental states of poplar stem cuttings during hydroponic cultivation in control conditions. After new roots and shoots had developed in the first 14 days (rooting phase), only very few additional roots emerged during later periods of the hydroponic cultivation (a). After 5 weeks of cultivation, the roots and leaves showed a typical osmotic potential gradient (b), and the roots elongated linearly with about 3 cm per week on average (c). Boxplots are based on n = 30–50 (a) stem cuttings, 7 (b) roots and leaves, and 35–512 (c) individual roots or shoots from 10 biological replicates

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