Table 6 Simulated changes in root development and P uptake caused by root trait differences conferred by the main QTL for RNO, LDC and SDL
From: Novel QTL for Lateral Root Density and Length Improve Phosphorus Uptake in Rice (Oryza sativa L.)
Trait | Base | RNO (− 10.1%)* | LDC (− 33.8%)* | SDL (− 16.8%)* | RNO + LDC + SDL | ||||
|---|---|---|---|---|---|---|---|---|---|
Value | % | Value | % | Value | % | Value | % | ||
Total root surface area (RSA) | 257.5 | 230.1 | 89.3 | 222.0 | 86.2 | 251.4 | 97.6 | 206.6 | 80.2 |
Total root length (RL) | 2888.8 | 2537.8 | 87.9 | 2079.2 | 72.0 | 2717.5 | 94.1 | 1916.3 | 66.3 |
RL crown roots | 648.3 | 585.5 | 90.3 | 638.5 | 98.5 | 638.0 | 98.4 | 590.2 | 91.0 |
RL L-type lateral roots | 1012.4 | 887.1 | 87.6 | 608.2 | 60.1 | 987.4 | 97.5 | 582.7 | 57.6 |
RL S-type lateral roots | 1228.1 | 1065.2 | 86.7 | 832.6 | 67.8 | 1092.1 | 88.9 | 743.4 | 60.5 |
P uptake day 30 (μg P) | 31.2 | 27.5 | 88.2 | 24.8 | 79.6 | 30.0 | 96.1 | 23.0 | 73.6 |