Table 1.
Precision and accuracy of detection and heritability (H2) of 20 root and 18 shoot ionomic phenotypes measured on the Rice Diversity Panel 1 (n = 373)
Abbrev | Ion | Lower limit of detection (ppm) | Bayesian RSD* | Heritability (H2) | ||
---|---|---|---|---|---|---|
Roots | Shoots | Roots | Shoots | |||
As | Arsenic | 0.038 | 16.89 | 34.03 | 0.14 | 0.13 |
B | Boron | 0.146 | 36.18 | 9.97 | 0.17 | 0.18 |
Ca | Calcium | 0.291 | 10.32 | 11.54 | 0.18 | 0.31 |
Cd | Cadmium | 0.004 | 17.20 | 22.72 | 0.28 | 0.33 |
Co | Cobalt | 0.003 | 15.15 | 26.01 | 0.22 | 0.12 |
Cr | Chromium | 0.022 | 18.34 | 6.11 | 0.14 | 0.15 |
Cu | Copper | 0.005 | 24.28 | 18.85 | 0.30 | 0.14 |
Fe | Iron | 0.240 | 15.99 | 16.96 | 0.16 | 0.25 |
K | Potassium | 6.864 | 13.71 | NA | 0.24 | NA |
Mg | Magnesium | 1.219 | 13.81 | 10.43 | 0.30 | 0.38 |
Mn | Manganese | 0.001 | 24.23 | 21.34 | 0.20 | 0.25 |
Mo | Molybdenum | 0.003 | 68.87 | 13.76 | 0.43 | 0.56 |
Na | Sodium | 0.788 | 15.86 | 18.00 | 0.16 | 0.21 |
P | Phosphorus | 2.794 | 9.73 | 8.15 | 0.29 | 0.40 |
Pb | Lead | 0.008 | 22.16 | NA | 0.10 | NA |
S | Sulfur | 0.509 | 9.79 | 9.71 | 0.46 | 0.37 |
Se | Selenium | 0.014 | 11.92 | 10.43 | 0.32 | 0.28 |
Si | Silicon | 0.089 | 22.89 | 14.30 | 0.11 | 0.22 |
Sr | Strontium | 0.001 | 14.32 | 10.86 | 0.18 | 0.34 |
Zn | Zinc | 0.065 | 18.31 | 18.63 | 0.24 | 0.11 |
Heritability estimates represent Bayesian approximations of broad-sense heritability (H^2 = Var(among lines)/[Var(among lines) + Var(among replicates)]) of shoot and root phenotypes
NA not included in GWAS due to high Bayesian RSD and/or low H2
*RSD = Bayesian relative standard deviation