Table 1.
Performances of appearance quality traits of the reciprocal ILs and their parents MH63 (P1) and 02428 (P2) in five locations
| Trait | Loc | Parents | MH63-ILs | 02428-ILs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| P1 | P2 | P1–P2 a | Mean ± SD | Range | CV (%) | Mean ± SD | Range | CV (%) | ||
| GL (mm) | SZ | 10.02 | 7.26 | 2.76*** | 9.93 ± 0.47 | 7.69–11.26 | 4.8 | 7.80 ± 0.61 | 6.68–10.07 | 7.8 |
| NJ | 9.93 | 7.25 | 2.67*** | 9.80 ± 0.57 | 7.30–10.93 | 5.8 | 7.59 ± 0.60 | 6.52–9.73 | 8.0 | |
| XZ | 9.96 | 7.18 | 2.78*** | 9.83 ± 0.57 | 7.15–10.92 | 5.8 | 7.58 ± 0.60 | 6.63–10.09 | 8.0 | |
| JZ | 9.84 | 7.14 | 2.70*** | 9.64 ± 0.47 | 7.80–10.71 | 4.8 | 7.50 ± 0.64 | 6.19–9.63 | 8.5 | |
| SY | 9.21 | 6.54 | 2.67*** | 9.03 ± 0.45 | 6.68–10.05 | 5.0 | 6.84 ± 0.57 | 5.83–9.06 | 8.3 | |
| GW (mm) | SZ | 2.97 | 3.56 | −0.59** | 3.02 ± 0.13 | 2.75–3.54 | 4.4 | 3.49 ± 0.19 | 2.52–3.78 | 5.5 |
| NJ | 2.88 | 3.38 | −0.50** | 2.92 ± 0.15 | 2.54–3.52 | 5.1 | 3.28 ± 0.21 | 2.39–3.76 | 6.3 | |
| XZ | 2.96 | 3.41 | −0.45** | 3.02 ± 0.14 | 2.73–3.65 | 4.6 | 3.37 ± 0.20 | 2.57–3.77 | 5.8 | |
| JZ | 2.73 | 3.32 | −0.59** | 2.79 ± 0.12 | 2.44–3.17 | 4.4 | 3.25 ± 0.21 | 2.28–3.70 | 6.4 | |
| SY | 2.59 | 3.27 | −0.67** | 2.65 ± 0.12 | 2.43–3.19 | 4.6 | 3.20 ± 0.21 | 2.27–3.53 | 6.6 | |
| LWR | SZ | 3.4 | 2.0 | 1.3*** | 3.3 ± 0.2 | 2.3–3.9 | 6.5 | 2.3 ± 0.3 | 1.9–3.7 | 11.9 |
| NJ | 3.5 | 2.1 | 1.3*** | 3.4 ± 0.3 | 2.1–4.0 | 8.0 | 2.3 ± 0.3 | 1.9–3.7 | 12.3 | |
| XZ | 3.4 | 2.1 | 1.3*** | 3.3 ± 0.3 | 2.0–3.7 | 7.7 | 2.3 ± 0.3 | 1.9–3.4 | 12.0 | |
| JZ | 3.6 | 2.2 | 1.4*** | 3.5 ± 0.2 | 2.7–4.1 | 7.0 | 2.3 ± 0.3 | 1.9–3.8 | 13.1 | |
| SY | 3.6 | 2.0 | 1.5*** | 3.4 ± 0.2 | 2.2–3.9 | 7.1 | 2.1 ± 0.3 | 1.4–3.8 | 14.6 | |
| PGWC (%) | SZ | 5.9 | 82.6 | −76.7*** | 14.8 ± 15.6 | 0.0–79.6 | 105.2 | 82.4 ± 20.9 | 9.5–100.0 | 25.4 |
| NJ | 5.9 | 79.6 | −73.7*** | 14.8 ± 16.5 | 0.4–96.1 | 111.6 | 69.4 ± 23.0 | 3.4–100.0 | 33.2 | |
| XZ | 11.3 | 74.1 | −62.8*** | 24.9 ± 19.2 | 1.7–78.9 | 77.2 | 84.8 ± 19.5 | 7.7–100.0 | 23.0 | |
| JZ | 9.0 | 79.8 | −70.8*** | 12.9 ± 9.9 | 0.3–61.0 | 76.9 | 67.9 ± 23.8 | 3.6–100.0 | 35.0 | |
| SY | 13.8 | 81.9 | −68.1*** | 25.3 ± 16.5 | 0.5–80.0 | 65.1 | 69.9 ± 23.3 | 1.0–100.0 | 33.3 | |
| DEC (%) | SZ | 1.4 | 55.9 | −54.5*** | 4.2 ± 5.8 | 0.0–38.3 | 136.4 | 55.4 ± 19.5 | 2.2–85.7 | 35.2 |
| NJ | 1.3 | 42.1 | −40.8*** | 4.2 ± 7.3 | 0.1–59.9 | 173.2 | 33.2 ± 16.0 | 1.0–68.2 | 48.1 | |
| XZ | 2.2 | 59.5 | −57.3*** | 7.3 ± 8.7 | 0.3–57.7 | 120.2 | 64.7 ± 21.1 | 2.3–88.8 | 32.6 | |
| JZ | 2.5 | 50.2 | −47.7*** | 4.0 ± 3.7 | 0.0–25.3 | 93.4 | 38.1 ± 19.0 | 0.9–77.0 | 49.9 | |
| SY | 4.4 | 61.4 | −57.0*** | 9.2 ± 7.8 | 0.1–51.8 | 84.7 | 41.0 ± 19.3 | 0.4–83.6 | 47.1 | |
GL grain length, GW grain width, LWR length to width ratio, PGWC percentage of grains with chalkiness, DEC degree of endosperm chalkiness
SZ Shenzhen, NJ Nanjing, XZ Xuzhou, JZ Jingzhou, SY Sanya
a*, **, ***The significant level of P ≤ 0.05, 0.01, and 0.001, respectively