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Table 1 Effect of fungal strains on seed germination and protocorm development of D. officinale at 15 weeks of inoculation

From: Effect of different mycobionts on symbiotic germination and seedling growth of Dendrobium officinale, an important medicinal orchid

TreatmentRatio of seed germination and protocorm development (%)bTotal germination (%)c
Stage 0Stage 1Stage 2Stage 3Stage 4Stage 5
Controla25.72 ± 2.85b60.04 ± 4.34a14.24 ± 3.07d0.00 ± 0.00d0.00 ± 0.00b0.00 ± 0.00b14.24 ± 3.07d
S28.77 ± 1.30c6.56 ± 3.95bc25.97 ± 5.41c50.23 ± 8.08a8.48 ± 4.00b0.00 ± 0.00b84.67 ± 8.85a
S341.82 ± 2.63a9.23 ± 0.67bc14.86 ± 0.90d28.94 ± 3.11b5.14 ± 2.16b0.00 ± 0.00b48.95 ± 4.02c
S412.87 ± 10.01c12.92 ± 5.41b40.86 ± 8.43b28.53 ± 2.59bc4.69 ± 0.83b0.00 ± 0.00b74.08 ± 7.31b
S59.15 ± 1.95c8.01 ± 1.24bc64.20 ± 2.73a18.80 ± 1.39c0.00 ± 0.00b0.00 ± 0.00b83.00 ± 1.39ab
S65.47 ± 1.96c10.40 ± 5.98b37.43 ± 7.03b23.60 ± 8.49bc19.97 ± 6.49a1.35 ± 1.09b86.35 ± 3.07a
S75.10 ± 2.60c1.83 ± 2.28c7.08 ± 6.58d7.84 ± 3.56d19.20 ± 9.80a59.17 ± 8.78a93.29 ± 4.20a
  1. aControl, the seeds without fungal inoculation
  2. bGermination percentages (mean ± SE, n = 3) within columns marked by different letters are significantly different at P < 0.05 (Fisher’s protected least significant difference test)
  3. cGermination was defined as emergence of the embryo from the seed coat (stage 2)