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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
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