Table 2. Percentage normal, abnormal, and dead seeds following a standard germination test, SSAA test after 72 hrs, and the SVIS vigour index for six lettuce varieties each containing four seed lots produced under different field conditions.

Variety

Lot

Percent germination

SVIS Vigour Index

Standard

SSAA 72 h

Normal

Abnormal

Dead

Normal

Abnormal

Dead

A

1

93

6

1

94

4

2

827

2

91

7

2

94

4

2

808

3

99

1

0

99

1

0

783

4

98

1

1

86

11

3

862

Variety

95 a

4 b

1 c

93 a

5 c

2 b

820 c

B

5

97

3

0

85

14

1

801

6

94

4

2

90

6

4

727

7

90

6

4

65

25

10

766

8

98

2

0

98

2

0

861

Variety

95 a

4 b

1 c

84 a

12 b

4 b

789 c

C

9

95

4

1

81

15

4

926

10

96

3

1

93

1

6

935

11

96

2

2

92

1

7

971

12

100

0

0

90

10

0

916

Variety

97 a

2 b

1 c

89 a

7 bc

4 b

937 a

D

13

81

13

6

0

11

89

605

14

91

7

2

71

18

11

872

15

90

8

2

65

28

7

928

16

91

4

5

84

6

10

958

Variety

88 b

8 a

4 b

55 b

16 b

29 a

841 bc

E

17

90

6

4

51

40

9

822

18

88

8

4

73

20

7

969

19

76

11

13

68

24

8

818

20

78

8

14

54

25

21

796

Variety

83 c

8 a

9 a

61 b

27 a

12 b

851 b

F

21

98

1

1

95

4

1

964

22

93

4

3

86

10

4

803

23

94

4

2

84

13

3

952

24

94

5

1

79

18

3

942

Variety

95 a

4 b

1 c

86 a

11 b

3 b

915 ab
Values in columns followed by different letters showed statistical differences, Tukey (P≤ 0,05).

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