Table 1. Phenotypic performance of relevant traits in two parents and RIL population (Jiucaiqing/IR26) under different NaCl conditions.
NaCl treatments(mM) | Traitsa(mg/g) | Parentsb | RIL Populationc | |||||||
Jiucaiqing | IR26 | Mean | Max | Min | SD | Skewness | Kurtosis | Heritability (%) | ||
0 | RNC(mg/g) | 13.1±1.9 | 16.6±3.1 | 16.4 | 30.1 | 4.2 | 4.58 | 0.38 | 0.85 | 95.6 |
RKC(mg/g) | 25.2±3.7 | 31.8±7.0 | 31.1 | 57.4 | 13.2 | 7.51 | 0.85 | 1.07 | 88.8 | |
SNC(mg/g) | 14.9±3.7 | 12.4±3.1 | 13.6 | 34.7 | 6.5 | 5.69 | 1.65 | 2.72 | 89.8 | |
SKC(mg/g) | 48.9±4.5 | 49.1±4.5 | 53.5 | 71.8 | 36.5 | 5.97 | −0.66 | 1.11 | 97.6 | |
100 | STR | 2.6±0.2 | 3.4±0.3* | 3.4 | 5.0 | 2.3 | 0.60 | 0.91 | 0.27 | 94.4 |
RNC(mg/g) | 34.1±5.4 | 36.8±4.5* | 33.7 | 57.5 | 18.8 | 6.24 | 0.67 | 1.47 | 95.6 | |
RKC(mg/g) | 32.4±5.8 | 32.4±2.3 | 31.4 | 51.3 | 18.6 | 5.25 | 0.57 | 0.85 | 98.4 | |
SNC(mg/g) | 51.2±5.4 | 60.0±2.6** | 66.6 | 115.1 | 38.4 | 15.15 | 0.60 | 0.09 | 64.6 | |
SKC(mg/g) | 44.6±2.7 | 56.8±5.5** | 62.1 | 95.7 | 37.7 | 10.25 | 0.26 | 0.16 | 63.5 | |
120 | STR | 3.1±0.3 | 4.2±0.2* | 3.8 | 5.0 | 2.2 | 0.60 | −0.11 | −0.35 | 81.9 |
RNC(mg/g) | 41.4±2.2 | 47.6±2.3* | 52.7 | 93.3 | 27.1 | 10.35 | 0.78 | 1.66 | 98.0 | |
RKC(mg/g) | 26.8±6.1 | 27.2±4.1 | 34.7 | 49.1 | 20.9 | 6.191 | 0.32 | −0.51 | 94.9 | |
SNC(mg/g) | 126.0±5.6 | 137.3±7.9** | 128.3 | 202.6 | 65.0 | 28.50 | 0.24 | −0.52 | 86.1 | |
SKC(mg/g) | 72.9±6.5 | 89.7±2.4** | 73.2 | 115.2 | 43.7 | 13.09 | 0.37 | 0.43 | 92.8 |
RNC: root Na+ concentration; RKC: root K+ concentration; SNC: shoot Na+ concentration; SKC: shoot K+ concentration; STR: salt tolerance rating;
Means ± SD (standard deviation);
and **indicates significance at the level of 5% and 1%, respectively, according to Student’s t-test;
RILs sample size n = 150, replications r = 3.