TABLE 2.
Phenolic compound profile of clones of S. viminalis, S. daphnoides, S. purpurea, S. humboldtiana, S. nigra, S. pentandra, and their crosses.
| Phenolic compounds (mg/g DW) | |||||||||||||||||||||||
| Salicylates | Flavonoids | Flavan-3-ols | Other phenolic compounds | Total | Cluster targeted | ||||||||||||||||||
| Salicin | Salicortin | 2′-O-Acetylsalicortin | 2′-O-Acetylsalicin | Tremulacin | Eriodictyol-7-glc | Naringenin-5-glc I | Naringenin-5-glc II | Naringenin-7-glc | Luteolin-7-glc | Quercetin-hexoside | Isosalipurposide | Ampelopsin | Catechin | Epicatechin | Triandrin | Caffeic acid der. I | Caffeic acid der. II | Purpurein I | Salireposide | Syrengin | |||
| S. viminalis (VI1) | 0.47 | 0.02 | 0.09 | 0.89 | 8.82 | 4.49 | 14.78 | 2 | |||||||||||||||
| S. daphnoides (DA1) | 2.24 | 6.40 | 11.36 | 0.03 | 1.31 | 1.92 | 1.39 | 0.08 | 0.04 | 2.36 | 1.50 | 1.04 | 1.05 | 1.12 | 1.28 | 33.12 | 1 | ||||||
| Crosses | |||||||||||||||||||||||
| 1 | 1.03 | 3.18 | 6.75 | 0.08 | 0.75 | 1.13 | 1.70 | 0.11 | 0.17 | 1.29 | 1.99 | 0.84 | 0.77 | 1.12 | 1.10 | 3.04 | 25.05 | 1 | |||||
| 2 | 0.03 | 0.32 | 0.46 | 4.03 | 0.29 | 5.13 | 2 | ||||||||||||||||
| 3 | 0.04 | 0.07 | 0.65 | 0.70 | 3.82 | 0.43 | 5.71 | 2 | |||||||||||||||
| 4 | 0.05 | 0.05 | 0.44 | 0.82 | 7.14 | 0.27 | 8.77 | 2 | |||||||||||||||
| 5 | 0.10 | 0.04 | 0.52 | 0.81 | 3.27 | 0.57 | 5.31 | 2 | |||||||||||||||
| 6 | 0.07 | 0.04 | 0.73 | 0.92 | 5.81 | 0.43 | 8.00 | 2 | |||||||||||||||
| 7 | 0.03 | 0.18 | 0.55 | 3.64 | 0.25 | 4.65 | 2 | ||||||||||||||||
| 8 | 0.24 | 0.03 | 0.34 | 0.53 | 2.16 | 0.26 | 3.56 | 2 | |||||||||||||||
| 9 | 0.78 | 1.37 | 0.03 | 0.26 | 0.26 | 0.58 | 0.03 | 0.06 | 1.42 | 2.81 | 0.08 | 0.97 | 8.65 | 3 | |||||||||
| S. purpurea (PU4) | 0.74 | 1.90 | 1.84 | 0.79 | 1.12 | 1.32 | 0.23 | 0.13 | 0.03 | 0.96 | 0.09 | 2.32 | 0.10 | 1.41 | 0.56 | 13.54 | 4 | ||||||
| S. viminalis (VI2) | 0.38 | 0.67 | 4.74 | 0.23 | 6.02 | 2 | |||||||||||||||||
| Crosses | |||||||||||||||||||||||
| 1 | 0.38 | 0.67 | 0.08 | 0.50 | 0.48 | 0.10 | 0.01 | 0.34 | 0.26 | 2.02 | 3.94 | 1.20 | 0.12 | 10.10 | 3 | ||||||||
| 2 | 0.27 | 0.04 | 0.43 | 0.54 | 0.09 | 0.02 | 0.02 | 0.16 | 0.33 | 1.11 | 1.70 | 0.56 | 0.28 | 5.55 | 3 | ||||||||
| S. humboldthiana (HU1) | 0.69 | 0.01 | 0.33 | 0.40 | 0.09 | 1.47 | 1.24 | 2.98 | 0.26 | 0.65 | 8.12 | 2 | |||||||||||
| S. viminalis (VI6) | 0.29 | 0.03 | 0.13 | 0.85 | 0.01 | 0.39 | 1.70 | 3 | |||||||||||||||
| Crosses | |||||||||||||||||||||||
| 1 | 0.81 | 0.01 | 0.27 | 0.34 | 0.02 | 0.10 | 1.06 | 5.19 | 0.35 | 8.15 | 3 | ||||||||||||
| 2 | 0.50 | 0.01 | 0.52 | 0.76 | 0.05 | 0.20 | 0.68 | 3.99 | 0.35 | 7.06 | 3 | ||||||||||||
| S. nigra (SN1) | 0.02 | 0.25 | 0.88 | 3.02 | 0.29 | 4.46 | 2 | ||||||||||||||||
| S. pentandra (PE1) | 0.16 | 33.22 | 4.38 | 0.03 | 0.41 | 0.25 | 0.34 | 38.79 | 3 | ||||||||||||||
| Crosses | |||||||||||||||||||||||
| 1 | 1.17 | 0.03 | 0.21 | 0.97 | 8.07 | 0.23 | 10.68 | 2 | |||||||||||||||
| S. viminalis (VI4) | 0.03 | 0.46 | 0.55 | 2.86 | 0.07 | 3.97 | 2 | ||||||||||||||||
| S. viminalis (schwerinii × viminalis) (VI3_h*) | 0.46 | 0.78 | 10.37 | 0.36 | 11.97 | 2 | |||||||||||||||||
| Crosses | |||||||||||||||||||||||
| 1 | 0.33 | 0.32 | 6.09 | 0.13 | 6.87 | 2 | |||||||||||||||||
| 2 | 0.06 | 0.42 | 0.51 | 9.42 | 0.23 | 10.64 | 2 | ||||||||||||||||
| S. viminalis (VI5) | 0.20 | 0.64 | 8.36 | 0.14 | 9.34 | 2 | |||||||||||||||||
| S. viminalis (VI2) | 0.38 | 0.67 | 4.74 | 0.23 | 6.02 | 2 | |||||||||||||||||
| Crosses | |||||||||||||||||||||||
| 1 | 0.75 | 0.43 | 4.03 | 0.23 | 5.44 | 2 | |||||||||||||||||
| 2 | 0.37 | 5.75 | 0.17 | 6.29 | 2 | ||||||||||||||||||
| 3 | 0.34 | 0.89 | 6.12 | 0.19 | 7.54 | 2 | |||||||||||||||||
| 4 | 0.37 | 0.53 | 4.11 | 0.15 | 5.16 | 2 | |||||||||||||||||
glc, glucoside; der., derivate; S., Salix. Standard deviation of all compound contents varied between 0.00 and 0.16.