Table 3 Tests for gametic equilibrium, genotype diversity and genetic differentiation between MAT1-1 and MTA1-2 isolates in the 17 field populations of A. alternata collected from China in 2011-2013.

From: Population genetic analysis reveals cryptic sex in the phytopathogenic fungus Alternaria alternata

Population

Sample sizea

No. Loci

Locus-by -locus

Allele-by -allele

Multilocus association

Clonal fraction

Shannon index

GST between Mating types

Skb

L95c

U95d

IA(p-value)

Changle

13

8

82.1%

90.4%

5.4287*

0.1012

2.8539

0.21 (0.001)

0.27

0.84

0.21

Changde

24

8

89.3%

88.1%

3.9093*

0.7771

2.7499

0.18 (0.001)

0.00

1.00

0.04

Chifeng

80

8

85.7%

91.4%

1.6045

0.6952

1.7239

0.06 (0.103)

0.32

0.87

0.01

Datong

26

8

89.3%

86.8%

2.6213

0.7591

2.8721

0.14 (0.017)

0.00

1.00

0.08

Fuzhou

48

8

60.7%

89.0%

4.2562*

0.8558

2.6766

0.21 (0.001)

0.16

0.9

0.05

Harbin

76

8

96.4%

94.6%

1.4569

0.6757

1.5733

0.04 (0.162)

0.35

0.85

0.02

Jinan

70

8

78.6%

90.0%

2.0734

0.7924

2.2879

0.11 (0.217)

0.29

0.89

0.01

Kaifeng

80

8

85.7%

87.4%

1.8252

0.8681

1.9766

0.10 (0.059)

0.31

0.87

0.02

Kunming1

86

8

82.1%

90.5%

1.4661

0.7102

1.7000

0.04 (0.083)

0.36

0.87

0.01

Kunming2

7

8

96.4%

81.3%

5.0525*

0.1246

3.8345

0.17 (0.031)

0.17

0.87

0.31

Lü´liang

9

8

89.3%

80.3%

5.3282*

0.2381

3.4558

0.18 (0.028)

0.22

0.86

0.08

Qujing

8

8

89.3%

90.6%

2.9877

0.2081

3.2103

0.06 (0.192)

0.00

1.00

0.14

Shuangcheng

42

8

64.3%

84.5%

2.5382*

0.6544

1.9400

0.17 (0.007)

0.17

0.93

0.03

Suizhou

52

8

92.9%

84.5%

3.0680*

0.7718

1.9806

0.22 (0.001)

0.23

0.91

0.05

Wulanchabu

23

8

100.0%

96.0%

0.9908

0.2465

1.4444

−0.02 (0.473)

0.27

0.85

0.03

Xinzhou

11

8

100.0%

96.7%

1.2500

0.2835

1.5914

−0.01 (0.397)

0.23

0.86

0.08

Zhangjiakou

70

8

64.3%

86.8%

2.8831*

0.8215

2.0667

0.19 (0.001)

0.32

0.87

0.08

Total

725

—

78.4%

88.1%

3.1847*

1.3344

2.6984

0.17 (0.001)

0.27

0.78

0.002

  1. aClone-corrected sample size was presented in Table 2
  2. bObserved variance of the number of heterozygosity.
  3. cLower 95% confidence limit for the expected variance of the number of heterozygosity under null hypothesis.
  4. dUpper 95% confidence limit for the expected variance of the number of heterozygosity under null hypothesis.
  5. *Indicates that the hypothesis of random association among alleles were rejected at p = 0.05 level.
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