Table 2 Analysis of molecular variance (AMOVA) of Cypripedium japonicum based on ISSR/SCoT.

From: Genetic diversity in the endangered terrestrial orchid Cypripedium japonicum in East Asia: Insights into population history and implications for conservation

Source of variation

df

SS

VC

Variation (%)

ISSR

SCoT

ISSR

SCoT

ISSR

SCoT

ISSR

SCoT

Among three regions (China, Japan, Korea)

2

2

459.693

574.246

2.590

3.171

48.10**

43.49**

Among populations within regions

14

13

391.138

594.405

1.661

2.796

30.85**

38.34**

Within populations

268

249

303.723

329.938

1.133

1.325

21.05**

18.17**

Between two regions (China, Korea)

1

1

106.784

216.327

0.923

2.241

22.64**

32.18**

Among populations within regions

11

10

367.66

548.472

1.953

3.316

47.92**

47.61**

Within populations

210

190

251.878

267.458

1.199

1.408

29.43**

20.21**

Between two regions (China, Japan)

1

1

351.987

375.605

3.443

3.505

52.55**

43.25**

Among populations within regions

13

12

389.746

592.265

1.824

3.083

27.84**

38.04**

Within populations

227

210

291.627

318.322

1.285

1.516

19.61**

18.71**

Between two regions (Korea, Japan)

1

1

209.703

234.052

3.984

4.425

80.18**

75.39**

Among populations within regions

4

4

24.871

48.074

0.339

0.688

6.82**

11.73**

Within populations

99

98

63.94

74.095

0.646

0.756

13.00**

12.88**

Between two regions (China + Korea, Japan)

1

1

352.909

357.919

3.262

3.047

51.44**

38.76**

Among populations within regions

15

14

497.923

810.733

1.945

3.489

30.68**

44.38**

Within populations

268

249

303.723

329.938

1.133

1.325

17.87**

16.86**

  1. Abbreviations: df, degrees of freedom; SS, sum of squares; VC, variance components.
  2. **P < 0.01.