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Table 2 Means and standard errors for FHB severity assessed in the greenhouse at 14 days post inoculation (GH14), 21 days post inoculation (GH21), and area under disease progress curve (GH_AUDPC) in gene classes and check lines for CDC Alsask and CDC Go near-isogenic lines. Means within each column for each population followed by the same letter are not statistically significantly different according to Fisher’s least significant difference (LSD) at P = 0.05

From: Genetic factors affecting Fusarium head blight resistance improvement from introgression of exotic Sumai 3 alleles (including Fhb1, Fhb2, and Fhb5) in hard red spring wheat

Gene/genotype

GH14 (%)

GH21 (%)

GH_AUDPC

Meana

SEMb

PDRc

Mean

SEM

PDR

Mean

SEM

PDR

CDC Alsask

 CDC Teal (susceptible check)

72.7 a

2.3

–

98.6 a

1.1

–

977.3 a

26.9

–

 CDC Alsask (recurrent parent)

59.1 bc

1.8

–

97.2 a

1.5

–

862.0 b

21.6

–

 AC Barrie (moderately resistant/intermediate check)

49.1 d-g

3.3

–

83.3 b

2.0

–

676.3 de

32.1

–

 ND2710 (resistant check)

7.4 i

1.6

–

15.4 d

4.1

–

124.2 g

24.1

–

 04GC0139 (resistance donor parent)

6.1 i

1.4

89.7

7.6 d

1.3

92.2

87.9 g

14.7

89.8

 Null (n = 4)

55.3 bcd

1.6

6.4

91.3 ab

1.9

6.1

749.3 c

18.1

13.1

 Fhb1 (n = 6)

42.2 gh

2.0

28.6

82.4 b

2.5

15.2

607.2 ef

22.8

29.6

 Fhb2 (n = 4)

47.6 c-g

2.0

19.5

88.0 b

2.5

9.5

673.3 d

22.1

21.9

 Fhb5 (n = 2)

44.8 e-h

3.0

24.2

80.1 bc

3.9

17.6

613.9 def

33.4

28.8

 Fhb1 + Fhb2 (n = 2)

48.4 b-h

4.5

18.1

86.6 bc

4.1

10.9

685.5 cde

50.1

20.5

 Fhb1 + Fhb5 (n = 4)

50.0 b-e

2.4

15.4

82.1 bc

2.0

15.5

666.9 de

22.9

22.6

 Fhb2 + Fhb5 (n = 6)

47.2 d-f

1.4

20.1

81.1 bc

1.7

16.6

640.9 de

14.1

25.6

 Fhb1 + Fhb2 + Fhb5 (n = 4)

37.0 h

3.5

37.4

70.9 c

4.7

27.1

529.8 f

39.2

38.5

CDC Go

 CDC Teal (susceptible check)

72.7 a

7.1

–

98.7 a-d

7.2

–

977.6 a

68.9

–

 CDC Go (recurrent parent)

78.0 a

7.1

–

100.0 a-d

7.2

–

917.8 ab

68.9

–

 AC Barrie (moderately resistant/intermediate check)

49.1 bc

7.1

–

83.3 bcd

7.2

–

676.6 cd

68.9

–

 ND2710 (resistant check)

7.4 e

7.1

–

15.5 f

7.1

–

124.5 f

68.9

–

 04GC0139 (resistance donor parent)

5.9 e

7.1

92.4

7.9 f

7.1

92.1

87.6 f

68.9

90.5

 Null (n = 7)

67.9 a

2.9

12.9

99.0 a

2.7

1.0

844.5 ab

27.5

8.0

 Fhb1 (n = 6)

63.4 b

3.1

18.7

95.8 abc

3.0

4.2

805.6 bc

29.5

11.1

 Fhb2 (n = 4)

68.2 a

3.7

12.6

97.5 ab

3.6

2.5

848.6 ab

35.4

7.5

 Fhb5 (n = 2)

53.1 bc

5.1

31.9

83.2 d

5.1

16.8

686.6 d

49.2

25.2

 Fhb1 + Fhb2 (n = 4)

45.8 c

3.7

41.3

88.6 bcd

3.6

11.4

653.8 d

35.5

28.8

 Fhb1 + Fhb5 (n = 6)

47.2 c

3.1

39.5

87.0 d

3.0

13.0

657.4 d

29.5

28.4

 Fhb2 + Fhb5 (n = 4)

52.4 c

3.8

32.8

87.1 cd

3.7

12.9

693.9 d

36.0

24.4

 Fhb1 + Fhb2 + Fhb5 (n = 5)

29.8 d

3.4

61.8

67.1 e

3.2

32.9

464.8 e

32.0

49.4

  1. aLeast squares mean; bStandard error of the mean; cPercent disease reduction compared to recurrent parent
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BMC Plant Biology

ISSN: 1471-2229

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