Table I.
Leaf number, median leaf area, leaf area per plant (AL), leaf (ML) and root (MR) dry mass per plant, and root to leaf dry mass ratio (MR:ML) for simple WT (WT C24 and WT Col), and PIP1 (PIP1AS) and PIP2 (PIP2AS-a) antisense, and dWT and dAS lines of Arabidopsis grown in soil under well-watered conditions
| Morphological Traits | Lines
|
|||||
|---|---|---|---|---|---|---|
| WT C24 | PIP1AS | WT Col | PIP2AS-a | dWT | dAS | |
| Leaves (no. per plant) | 28.9 ± 2.5c | 37.7 ± 4.1b | 52.3 ± 4.5a | 46.0 ± 4.0ab | 25.3 ± 1.7c | 23.5 ± 2.8c |
| Median leaf area (cm2) | 0.77 ± 0.10b | 0.48 ± 0.09a | 0.34 ± 0.05a | 0.41 ± 0.08ab | 0.73 ± 0.17ab | 1.20 ± 0.19c |
| AL (cm2) | 22.8 ± 0.9c | 25.3 ± 1.4c | 47.7 ± 1.6a | 45.3 ± 2.5ab | 39.1 ± 0.6b | 41.3 ± 2.2ab |
| ML (mg) | 33.2 ± 1.8b | 39.5 ± 2.9b | 112.6 ± 8.1a | 101.8 ± 5.7a | 61.8 ± 2.3c | 66.1 ± 3.4c |
| MR (mg) | 4.7 ± 0.8d | 8.0 ± 1.3bd | 13.5 ± 1.4ab | 25.9 ± 4.4c | 8.2 ± 1.0bd | 21.8 ± 1.1ac |
| MR:ML | 0.14 ± 0.02a | 0.20 ± 0.02ab | 0.12 ± 0.01a | 0.25 ± 0.03bc | 0.13 ± 0.01a | 0.33 ± 0.02c |
Plants were 5 weeks old. Data are means ± 1 se (n = 10 for WT C24 and PIP1AS, and 6 for WT Col, PIP2AS-a, dWT, and dAS). Different letters within a row indicate a statistically significant difference (P < 0.05) using one-way ANOVA followed by a Tukey's test.