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Table 2 Association of TGW and GpS with TaFlo2-A1 in the Chinese Micro Core Collection and Pakistani wheat collections

From: TaFlo2-A1, an ortholog of rice Flo2, is associated with thousand grain weight in bread wheat (Triticum aestivum L.)

Natural populations

Year (number of accessions)

TaFlo2-A1a

Mean ± SEa (number of accessions)

TaFlo2-A1b

Mean ± SE (number of accessions)

Mean difference ± SE

PVE (%)b TGW

TGW

GpS

TGW

GpS

TGW

GpS

Chinese Micro Core Collection

2002 (137)

33.6 ± 0.54(98)

50.8 ± 1.2(98)

40.6 ± 1.2(39)

49.7 ± 1.5(39)

7.0 ± 1.1**

1.06 ± 2.1ns

6.19

2005 (169)

30.7 ± 0.52(128)

43.1 ± 0.8(128)

38.5 ± 1.1(41)

40.5 ± 1.1(41)

7.8 ± 1.1**

2.6 ± 1.5 ns

7.76

2006 (185)

32.8 ± 0.43(141)

51.4 ± 0.7(141)

41.2 ± 0.9(44)

48.6 ± 1.2(43)

8.4 ± 0.9**

2.7 ± 1.5 ns

8.37

Pakistani collection

2009 (130)

40.6 ± 0.43(85)

46.6 ± 1.1(85)

45.1 ± 0.55(45)

44.4–1.8(45)

4.5 + 0.71**

2.2 ± 1.9 ns

4.42

2010 (130)

40.5 ± 0.47(85)

47.8 ± 1.2(85)

45.7 ± 0.46(45)

44.9 + 1.6(45)

5.2 ± 0.72**

2.9 ± 2.0 ns

5.11

  1. **indicates significant differences, and ns indicates non-significant differences (P < 0.01; Student’s t-test) among groups carrying different haplotypes
  2. aStandard error
  3. bPercentage of phenotypic variance explained by association analysis