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Table 2 Survival of buried seeds (experiment-2) from five populations (ecotypes) of wild sorghum after 6, 12, 18, and 24 months, based on pooled data from 20 mesh bags per population

From: Ecotypic variation for seed dormancy, longevity and germination requirements in wild/weedy Sorghum bicolor in Ethiopia: implications for seed mediated transgene dispersal and persistence

Population

Mean percent of viable seeds

Percent germinated seeds in lab (non-dormant)

Percent TTC viable seeds (dormant)

Percent intact but dead seeds (TTC non-viable)

Percent germinated/decomposed in field

Excavated after 6 months of burial

Ghibe

67.1

28

39.1

10.2

22.7

Hararghe

75.2

71

4.2

2.5

22.3

Pawe

66

27.5

38.5

2.5

31.5

Tigray

73.6

60.2

13.4

2.1

24.3

Wello

73.4

61.7

11.7

6.7

19.9

Mean

71.06

49.7

21.38

4.8

24.14

SD

4.19

20.44

16.28

3.56

4.40

Exhumed after 12 months of burial

Ghibe

22.5

17.8

4.7

8.1

69.4

Hararghe

4.8

2.6

2.2

3.4

91.8

Pawe

9.2

7.7

1.5

5.4

85.4

Tigray

4.3

3.1

1.2

0.5

95.2

Wello

4.5

2.5

2.0

1.0

94.5

Mean

9.06

6.74

2.32

3.68

87.26

SD

7.78

6.55

1.39

3.16

10.71

Exhumed after 18 months of burial

Ghibe

3.4

1

2.4

3

96.6

Hararghe

0

0

0

0

100

Pawe

4.3

1.4

2.9

3.2

95.7

Tigray

1.3

0

1.3

1.5

98.7

Wello

0.1

0

0.1

1

99.9

Mean

1.82

0.48

1.34

1.74

98.18

SD

1.95

0.67

1.31

1.36

1.95

Exhumed after 24 months of burial

Ghibe

4.8

2.2

2.6

12.8

82.4

Hararghe

0.2

0

0.2

0.9

98.9

Pawe

0.7

0.2

0.5

6.1

93.2

Tigray

0.2

0.1

0.1

0.7

99.1

Wello

0.3

0

0.3

0.5

99.2

Mean

1.24

0.5

0.74

4.2

94.56

SD

2

0.95

1.05

5.35

7.26