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All issues Volume 66 / No 4 (June 2009) Ann. For. Sci., 66 4 (2009) 408 Full HTML
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Table II

Genotype effect estimated for all data (p-level; explained variance) and means, standard deviations (SD) and differences (p-level) between extreme phenotypes “Δ” and “N” (see text for the definition of the phenotypes).

Phenotypes Δ Phenotypes N
Mean ± SD Mean ± SD
Low Δ High Δ Effect Low N High N Effect
Δ13Csu (‰) 16.4 ± 1.1 18.5 ± 0.5 < 0.001 17.5 ± 0.8 17.1 ± 0.9 –
Δ13Cst (‰) 13.1 ± 0.6 15.3 ± 0.4 < 0.001 14.4 ± 0.5 13.8 ± 0.6 < 0.01
Δ13Cb (‰) 17.0 ± 0.5 18.8 ± 0.6 < 0.001 18.4 ± 1.1 17.4 ± 0.7 < 0.01
Wi (μmol mol−1) 89.0 ± 14.5 75.7 ± 7.5 – 82.3 ± 12.2 84.4 ± 14.5 –
Asat (μmol m−2s−1) 11.7 ± 2.4 13.2 ± 3.2 – 12.8 ± 3.1 12.3 ± 3.0 –
gs (mol m−2s−1) 0.14 ± 0.04 0.18 ± 0.05 – 0.16 ± 0.06 0.16 ± 0.07 –
Vcmax (μmol m−2s−1) 76.2 ± 12.0 78.1 ± 18.0 – 75.4 ± 15.8 80.2 ± 14.2 –
Nmass (mg g−1) 32.3 ± 3.2 32.1 ± 3.0 - 29.9 ± 4.3 34.8 ± 3.9 0.01
Narea (g m−2) 2.78 ± 0.39 3.02 ± 0.23 – 2.67 ± 0.44 2.96 ± 0.28 0.04
Chl (g m−2) 0.93 ± 0.16 0.95 ± 0.09 – 0.96 ± 0.11 0.98 ± 0.06 –
SD (mm−2) 384 ± 39 438 ± 37 0.04 476 ± 75 447 ± 64 –
SL (μm) 24.1 ± 1.1 23.5 ± 0.7 – 22.8 ± 0.7 23.7 ± 0.8 < 0.001
SA (μm−2) 352 ± 32 334 ± 21 – 339 ± 19 344 ± 24 –
SAI (mm−1) 9.2 ± 0.6 10.3 ± 1.0 0.03 10.8 ± 1.5 10.6 ± 1.5 –
LMA (g m−2) 86.3 ± 9.0 94.9 ± 11.7 – 89.6 ± 11.8 85.6 ± 7.7 –
TLT (μm) 149 ± 14 152 ± 5 – 158 ± 10 153 ± 5 –
UET (μm) 10.6 ± 0.6 10.7 ± 0.6 – 10.6 ± 0.8 10.5 ± 1.0 –
LET (μm) 9.5 ± 1.2 8.9 ± 0.5 – 9.2 ± 0.6 9.3 ± 0.8 –
PMT (μm) 67.1 ± 7.5 67.9 ± 3.0 – 71.4 ± 7.3 68.5 ± 2.8 0.02
SMT (μm) 61.8 ± 7.0 64.4 ± 3.7 – 66.7 ± 4.3 65.2 ± 3.7 –

Significant pvalues (< 0.05) are shown in bold, “ − ” no significant difference. See list of abbreviations for trait names.