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. 2015 Jun 5;10(6):e0128415. doi: 10.1371/journal.pone.0128415

Table 4. Correlation coefficient between transpiration efficiency related traits and yield.

FLA SD A gs E WUEi CID BYPP GYPP HI
FLA -0.543** 0.467** -0.154 -0.625** 0.637** -0.684* 0.624** 0.604** 0.002
SD -0.543** -0.578* -0.128 0.782** -0.650** 0.775* -0.639** -0.539** -0.028
A 0.467** -0.578* 0.217* -0.705** 0.618** -0.600** 0.556** 0.348* 0.369*
gs -0.154 -0.128 0.217* 0.306* -0.260* 0.038 0.316* 0.246* 0.325*
E -0.625** 0.782** -0.505* 0.306* -0.688** 0.760** -0.557** -0.602** 0.139
WUEi 0.637** -0.650** 0.618** -0.260* -0.688** -0.699** 0.481** 0.620** 0.003
CID -0.684* 0.775* -0.600** 0.038 0.760** -0.699** -0.600* -0.608* 0.201*
BYPP 0.624** -0.639** 0.556** 0.316* -0.557** 0.481** -0.600* 0.324* -0.107
GYPP 0.604** -0.539** 0.348* 0.246* -0.602** 0.620** -0.608* 0.324* 0.375**
HI 0.002 -0.028 0.369* 0.325* 0.139 0.003 0.201 -0.107 0.375**

Asterisks represent significant differences.

* P< 0.05;

** P< 0.01. SD: stomatal density (No. mm-2); FLA: flag leaf area (cm2); A: photosynthetic rate (μmol. m-2 s-1); gs: stomatal conductance (mmol. m-2 s-1); E: transpiration rate (mmol. m-2 s-1); WUEi: instant water use efficiency (μmol. mmol-1); CID: carbon isotopic discrimination (‰); BYPP: biomass yield per plant (g); GYPP: grain yield per plant (g); HI: harvest index.