Table 1.
Light intensity (μmol quanta m−2 s−1) |
||
150 | 500 | |
A, saturating irradiance (μmol CO2 m−2 s−1) | 19.3±0.5 | 31.4±0.4* |
A, saturating irradiance (μmol CO2 g−1 s−1) | 0.92±0.05 | 0.88±0.04 |
A, growth irradiance (μmol CO2 m−2 s−1) | 4.6±0.1 | 14.6±0.2* |
A, growth irradiance (μmol CO2 g−1 s−1) | 0.22±0.1 | 0.41±0.08* |
SLA leaf area/leaf dry mass (m2 kg−1) | 48.2±1.3 | 28.3±1.0* |
LMA leaf dry mass/leaf area (g m−2) | 20.9±0.6 | 35.8±1.4* |
LAR leaf area/shoot dry mass (m2 kg−1) | 39.2±0.9 | 21.7±1.1* |
LDMC leaf dry/fresh mass (mg g−1) | 91.7±3.0 | 139.0±5.1* |
LDM/SDM leaf dry mass/shoot dry mass (g g−1) | 0.81±0.01 | 0.77±0.01* |
Measurements represent averages and standard errors of 5–10 replicate observations. Asterisks indicate a significant difference in data for plants grown at the differing light intensities.
SLA, specific leaf area; LMA, leaf dry mass per unit area; LAR, leaf area ratio; LDMC, leaf dry matter content; saturating irradiance, 1500 μmol quanta m−2 s−1.