Table 1.
Time-dependent changes in plant growth and P concentrations in leaves and roots of M. truncatula Jemalong A17 seedlings in response to Pi deficiency
| Treatment time (h) | Dried biomass (mg plant−1) | P concentration (mg g−1 DW) | P content (mg plant−1) |
|---|---|---|---|
| Leaves | |||
| 0 | 35.700 ± 1.159a | 10.645 ± 0.486a | 0.380 ± 0.017a |
| 12 | 33.180 ± 0.961a | 10.502 ± 0.328a | 0.348 ± 0.011a |
| 24 | 32.980 ± 0.873a | 8.806 ± 0.191b | 0.290 ± 0.006b |
| 48 | 29.080 ± 1.161b | 7.642 ± 0.188c | 0.222 ± 0.005c |
| Roots | |||
| 0 | 16.360 ± 0.923a | 7.645 ± 0.487a | 0.125 ± 0.008a |
| 12 | 15.570 ± 0.522a | 7.253 ± 0.241a | 0.113 ± 0.004a |
| 24 | 13.530 ± 0.614b | 5.873 ± 0.080b | 0.080 ± 0.001b |
| 48 | 12.270 ± 0.693b | 4.909 ± 0.213c | 0.060 ± 0.003c |
Data are the means ±SE. For dried biomass, there were 10 replicates. For P concentration and content, there were three replicates. Different letters indicate significant differences among treatments (P<0.05).