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Table 1 TaGW2-6B haplotype associations with grain traits in two environments

From: Homologous haplotypes, expression, genetic effects and geographic distribution of the wheat yield gene TaGW2

Trait/genotype 02LY 06LY
Hap-6B-1 Hap-6B-2 Hap-6B-3 Hap-6B-4 Hap-6B-1 Hap-6B-2 Hap-6B-3 Hap-6B-4
Overall         
KL (mm) 6.77 ± 0.06a (A) 6.58 ± 0.06ab (AB) 6.40 ± 0.05bc(B) 6.27 ± 0.09c(B) 6.73 ± 0.05a(A) 6.56 ± 0.06a(AB) 6.35 ± 0.06b(BC) 6.15 ± 0.08b(C)
KW (mm) 3.23 ± 0.02a(A) 3.15 ± 0.03a(A) 3.04 ± 0.02b(B) 2.91 ± 0.04c(B) 3.29 ± 0.02a(A) 3.19 ± 0.02b(B) 3.11 ± 0.02c(BC) 3.05 ± 0.03c(C)
KT(mm) 2.90 ± 0.02a(A) 2.84 ± 0.02ab(AB) 2.79 ± 0.02b(BC) 2.67 ± 0.04c(C) 2.93 ± 0.02a(A) 2.86 ± 0.02b(AB) 2.80 ± 0.02bc(B) 2.74 ± 0.03c(B)
KL/KW ratio 2.10 ± 0.02a 2.09 ± 0.02a 2.11 ± 0.02a 2.16 ± 0.04a 2.05 ± 0.02a 2.06 ± 0.02a 2.05 ± 0.02a 2.02 ± 0.03a
TKW (g) 40.39 ± 0.71a(A) 36.72 ± 0.88b(B) 33.89 ± 0.72c(BC) 29.35 ± 0.89d(C) 40.99 ± 0.72a(A) 36.94 ± 0.83b(B) 33.88 ± 0.60c(BC) 31.20 ± 0.82c(C)
Landraces         
KL (mm) 6.70 ± 0.16a 6.38 ± 0.08ab 6.36 ± 0.06b 6.27 ± 0.10b 6.64 ± 0.13a(A) 6.38 ± 0.07ab(AB) 6.33 ± 0.06ab(AB) 6.15 ± 0.09b(B)
KW (mm) 3.01 ± 0.05a 3.01 ± 0.03a 3.01 ± 0.02a 2.92 ± 0.04a 3.13 ± 0.05a 3.11 ± 0.02a 3.10 ± 0.02a 3.06 ± 0.03a
KT (mm) 2.79 ± 0.05a 2.77 ± 0.03a 2.77 ± 0.02a 2.69 ± 0.04a 2.83 ± 0.04a 2.79 ± 0.03a 2.78 ± 0.02a 2.75 ± 0.03a
KL/KW ratio 2.23 ± 0.05a 2.12 ± 0.03a 2.12 ± 0.02a 2.16 ± 0.05a 2.13 ± 0.04a 2.06 ± 0.03a 2.05 ± 0.02a 2.01 ± 0.03a
TKW (g) 36.08 ± 2.03a(A) 32.44 ± 1.02ab(AB) 33.06 ± 0.70ab(AB) 29.70 ± 0.90b(B) 36.21 ± 1.76a 32.50 ± 0.79b 33.29 ± 0.60ab 31.53 ± 0.81b
Modern cultivars        
KL (mm) 6.79 ± 0.06a 6.80 ± 0.08a 6.63 ± 0.09a 6.22 ± 0.02a 6.76 ± 0.05a 6.76 ± 0.10a 6.48 ± 0.15a 6.13 ± 0.03a
KW (mm) 3.30 ± 0.02a(A) 3.30 ± 0.03a(A) 3.23 ± 0.06a(AB) 2.85 ± 0.10b(B) 3.34 ± 0.02a 3.29 ± 0.03ab 3.21 ± 0.04ab 2.95 ± 0.15b
KT (mm) 2.94 ± 0.02a(A) 2.90 ± 0.03a(A) 2.91 ± 0.05a(A) 2.49 ± 0.11b(B) 2.96 ± 0.02a 2.94 ± 0.02a 2.91 ± 0.05ab 2.63 ± 0.13b
KL/KW ratio 2.06 ± 0.02a 2.06 ± 0.02a 2.06 ± 0.04a 2.19 ± 0.08a 2.03 ± 0.02a 2.06 ± 0.03a 2.02 ± 0.04a 2.09 ± 0.12a
TKW (g) 41.77 ± 0.59a(A) 41.32 ± 1.08a(A) 39.71 ± 2.16a(A) 25.09 ± 3.62b(B) 42.52 ± 0.67a(A) 41.70 ± 1.09a(A) 37.98 ± 1.81ab(AB) 27.27 ± 4.39b(B)
  1. 02LY, Luoyang (2002); 06LY, Luoyang (2006).
  2. Different capital and small letters within groups indicate significance differences between haplotypes at P <0.01 and P <0.05 for each trait, respectively.
  3. *Hap-6B-1, landraces, N = 20; Modern cultivars, N = 62.
  4. *Hap-6B-2, landraces, N = 44; Modern cultivars, N = 41.
  5. *Hap-6B-3, landraces, N = 63; Modern cultivars, N = 9.
  6. *Hap-6B-4, landraces, N = 24; Modern cultivars, N = 2.