Table 1 Genotypic difference (G) and experimental effect (E) on six lateral root traits evaluated from the nutrient solution, rhizobox, and low phosphorus field experiments in 2021
From: Novel QTL for Lateral Root Density and Length Improve Phosphorus Uptake in Rice (Oryza sativa L.)
Root characteristic | Effect | Nutrient solution | G | RhizoBox | G | Low P field | G | G*E |
|---|---|---|---|---|---|---|---|---|
L-type root density on crown root (LDC) | DJ123 | 2.8 (0.3) | a | 3.2 (0.3) | b | 2.9 (0.1) | ab | *** |
(roots per cm) | Nerica4 | 1.3 (0.3) | b | 2.2 (0.3) | c | 2.3 (0.7) | b | Â |
| Â | NDJ188 | 3.0 (0.0) | a | 5.2 (0.3) | a | 3.2 (0.3) | a | Â |
| Â | Average | 2.4 (0.8) | Â | 3.5 (1.4) | Â | 2.8 (0.6) | Â | Â |
| Â | E | B | Â | A | Â | AB | Â | Â |
S-type density on crown root (SDC) | DJ123 | 36.3 (0.4) | b | 10.3 (0.3) | a | 8.2 (1.7) | ab | *** |
(roots per cm) | Nerica4 | 12.9 (1.7) | c | 4.7 (0.8) | b | 6.9 (2.2) | b | Â |
| Â | NDJ188 | 43.4 (0.8) | a | 11.0 (0.5) | a | 10.1 (0.8) | a | Â |
| Â | Average | 30.9 (15.9) | Â | 8.7 (3.1) | Â | 8.4 (2.0) | Â | Â |
| Â | E | A | Â | B | Â | B | Â | Â |
S-type density on L-type (SDL) | DJ123 | 32.7 (1.2) | a | 12.3 (0.3) | a | 14.0 (3.7) | a | *** |
(roots per cm) | Nerica4 | 11.3 (0.4) | b | 6.9 (0.4) | b | 7.7 (0.8) | b | Â |
| Â | NDJ188 | 32.2 (0.3) | a | 11.3 (0.3) | a | 12.0 (1.0) | a | Â |
| Â | Average | 25.4 (10.6) | Â | 10.1 (2.5) | Â | 11.2 (3.4) | Â | Â |
| Â | E | A | Â | B | Â | B | Â | Â |
Single L-type length on crown root (LLC) | DJ123 | 28.5 (2.3) | ab | 131.6 (23.3) | a | 61.5 (5.5) | a | *** |
(mm) | Nerica4 | 24.5 (3.0) | b | 60.7 (12.8) | b | 53.9 (10.5) | a | Â |
| Â | NDJ188 | 37.2 (6.7) | a | 140.4 (20.8) | a | 59.3 (6.3) | a | Â |
| Â | Average | 30.1 (6.8) | Â | 110.9 (41.4) | Â | 56.9 (5.3) | Â | Â |
| Â | E | C | Â | A | Â | B | Â | Â |
Single S-type length on crown root (SLC) | DJ123 | 10.9 (1.7) | a | 11.5 (0.9) | a | 7.2 (0.2) | a | * |
(mm) | Nerica4 | 7.5 (2.3) | a | 2.7 (0.1) | b | 5.5 (0.5) | b | Â |
| Â | NDJ188 | 8.8 (2.1) | a | 8.5 (2.9) | a | 6.3 (0.1) | ab | Â |
| Â | Average | 9.0 (2.3) | Â | 7.6 (4.2) | Â | 6.3 (0.8) | Â | Â |
| Â | E | A | Â | AB | Â | B | Â | Â |
Single S-type length on L-type (SLL) | DJ123 | 3.0 (0.8) | a | 6.7 (0.4) | a | 5.9 (2.4) | a | * |
(mm) | Nerica4 | 2.9 (0.2) | a | 2.0 (0.2) | b | 3.5 (1.1) | a | Â |
| Â | NDJ188 | 2.9 (0.2) | a | 4.4 (0.5) | ab | 5.1 (1.5) | a | Â |
| Â | Average | 2.9 (0.4) | Â | 4.4 (2.0) | Â | 4.8 (1.8) | Â | Â |
| Â | E | B | Â | A | Â | A | Â | Â |