Parameter WT SE L3 SE L13 SE
Plant DW (g) 11.6 1.2 7.7 0.7 8.0 0.9
Leaves DW (g) 5.9 0.5 4.5 0.4 4.3 0.5
% DW leaves 51.5 1.3 58.4 0.7 53.7 1.6
Stalk DW (g) 3.0 0.3 2.0 0.1 2.3 0.2
% DW stalk 26.2 0.9 26.3 0.7 29.4 1.3
Roots DW (g) 2.7 0.5 1.2 0.2 1.4 0.2
% DW root 22.3 2.1 15.3 1.1 17.0 1.0
Shoots DW (g) 8.9 0.8 6.5 0.5 6.6 0.7
% DW shoot 77.7 2.1 84.7 1.1 83.0 1.0
Shoot DW/root DW (g g-1) 3.7 0.6 5.7 0.6 5.0 0.3
Leaves DW/root DW (g g-1) 2.4 0.4 3.9 0.4 3.2 0.2
Harvest index (g g-1) 0.5 0.0 0.6 0.0 0.5 0.0
Plant leaf area/roots DW (cm2 g-1) 1257.8 340.2 2136.1 265.8 1498.6 93.3
Leaves number (> 5 cm length) 13.4 0.4 14.8 0.9 13.6 1.0
Plant leaf area (cm2) 2791.7 118.5 2422.4 183.9 2004.1 227.4
Specific leaf area (cm2 g-1) 487.5 52.0 541.4 18.8 468.3 13.9
Stalk length (cm) 45.6 1.9 41.9 1.2 43.7 2.1
Traspiration (g) 1326.5 59.7 910.3 67.9 893.9 111.5
RGR (g g-1 day-1) 0.1 0.0 0.1 0.0 0.1 0.0
yWUE (g DW leaves kg-1) 2.9 0.1 3.5 0.1 3.3 0.2
slWUE (g DW kg-1) 5.6 0.5 5.8 0.1 5.5 0.3
iWUE (µmol mol-1) 113.07 2.96 106.16 1.83 116.62 4.82