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Table 1 Descriptive statistics, broad-sense heritability and ANOVA for 19 oil-related traits in KSC population

From: Genetic basis of maize kernel oil-related traits revealed by high-density SNP markers in a recombinant inbred line population

Traits Parents RILs ANOVA
KUI3a SC55a Mean ± sd Range CV (%)b H2 c CI (90%) d Environment Genotype Replicate×Environment Genotype×Environment
OIL 4.13 5.27 4.36 ± 0.50 3.30–5.96 40.62 0.78 0.66–0.85 21.07** 31.51** 0.01 7.07**
C16:0 16.39 16.73 16.63 ± 0.35 15.86–17.61 7.39 0.57 0.37–0.7 1333.86** 85.72** 1.04 36.92**
C16:1 0.17 0.15 0.13 ± 0.01 0.10–0.18 40.41 0.88 0.82–0.91 6.69 2.31** 1.34 0.29
C18:0 2.38 4.00 2.95 ± 0.37 1.94–3.97 48.58 0.76 0.65–0.83 5555.46** 728.56** 1.81 174.13**
C18:1 33.58 31.80 31.02 ± 2.08 25.31–36.89 26.33 0.89 0.84–0.92 61.58** 962.36** 0.70 103**
C18:2 45.54 45.03 46.96 ± 1.85 41.77–51.47 14.71 0.86 0.8–0.9 1744.69** 447.77** 0.83 60.71**
C18:3 1.22 1.22 1.23 ± 0.11 0.96–1.49 30.59 0.83 0.75–0.88 397.62** 253.81** 0.72 42.4**
C20:0 0.61 0.57 0.62 ± 0.04 0.54–0.76 23.93 0.64 0.47–0.75 16,840.67** 239.52** 1.95 86.23**
C22:0 0.19 0.13 0.19 ± 0.02 0.14–0.25 39.89 0.71 0.57–0.8 395.77** 69.89** 0.00 20.22**
C24:0 0.26 0.25 0.26 ± 0.02 0.22–0.33 28.28 0.57 0.37–0.7 73.47** 18.44** 1.37 7.93**
C16:0/C16:1 111.87 117.98 128.18 ± 9.5 101.11–154.04 29.34 0.59 0.39–0.71 420.24** 12.5** 0.13 5.17**
C16:0/C18:0 7.24 4.33 5.82 ± 0.73 4.25–7.79 41.58 0.74 0.61–0.81 1652.16** 677.03** 1.17 178.28**
C18:0/C18:1 0.07 0.13 0.1 ± 0.01 0.06–0.13 52.10 0.74 0.62–0.82 5520** 909.22** 2.25 234.39**
C18:1/C18:2 0.73 0.71 0.66 ± 0.07 0.50–0.90 40.41 0.87 0.81–0.91 907.17** 709.63** 0.95 89.17**
C18:2/C18:3 37.60 37.08 38.71 ± 3.48 31.63–49.76 31.50 0.86 0.78–0.9 1.14 219.1** 1.37 31.12**
C18:0/C20:0 3.76 7.27 4.8 ± 0.69 3.34–7.17 51.54 0.82 0.73–0.87 3172.24** 517.75** 0.78 94.18**
C20:0/C22:0 3.17 4.70 3.43 ± 0.32 2.75–4.30 31.09 0.70 0.56–0.79 225.22** 29.28** 0.05 8.82**
C22:0/C24:0 0.74 0.51 0.71 ± 0.09 0.52–0.91 38.57 0.75 0.63–0.83 14.66 71.37** 0.04 17.67**
SFA/USFA 0.25 0.27 0.26 ± 0.01 0.24–0.28 10.88 0.56 0.35–0.69 2882.21** 94.15** 1.46 41.58**
  1. aBLUP values of parents
  2. bCoefficient of variation
  3. cBroad-sense heritability
  4. d90% confidence interval of broad-sense heritability
  5. Significant at P < 0.05
  6. ⁎⁎Significant at P < 0.01