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Table 1 Effects of S1 and S3 on the growth of Dendrobium officinale seedlings (n = 25 each)

From: In vitro growth and carbon utilization of the green-leaved orchid Dendrobium officinale are promoted by mycorrhizal associations

Parameters S1 S3 Control
Increment in fresh weight (g) 0.96 ± 0.06b 1.27 ± 0.05c 0.57 ± 0.02a
Dry weight (g) 0.06 ± 0.00b 0.09 ± 0.00c 0.03 ± 0.00a
Plant height (cm) 2.16 ± 0.04b 2.12 ± 0.06b 1.81 ± 0.07a
Stem length (cm) 1.01 ± 0.02b 1.14 ± 0.04c 0.89 ± 0.03a
Stem diameter (cm) 0.18 ± 0.01b 0.28 ± 0.01c 0.15 ± 0.01a
Number of nodes 3.09 ± 0.06b 3.22 ± 0.11b 2.72 ± 0.01a
Internode length (cm) 0.31 ± 0.01b 0.33 ± 0.01b 0.25 ± 0.01a
Number of tillers 26.24 ± 0.99c 19.40 ± 0.75b 7.24 ± 0.60a
Number of new roots 21.80 ± 1.45c 15.00 ± 1.00b 9.68 ± 0.68a
  1. Different letters within the same row indicate that values (mean ± standard error) are significantly different among treatments at P < 0.05, based on LSD test. Control, non-inoculated seedlings.