Table 2: A matrix of simple correlation coefficients ( ) for the measured variables of wheat under inoculation (In) and noninoculation (non-In) conditions and different water levels.

X1X2X3X4X5X6X7X8X9X10X11

X2In0.633**
Non-In0.611**
X3In0.569**0.622**
Non-In0.625**0.562**
X4In0.649**0.724**0.609**
Non-In0.492**0.484**0.627**
X5In0.598**0.757**0.615**0.784**
Non-In0.553**0.576**0.602**0.563**
X6In0.663**0.544**0.444**0.564**0.537**
Non-In0.448**0.392*0.415*0.555**0.615**
X7In0.508**0.614**0.590**0.786**0.676**0.402*
Non-In0.688**0.467**0.668**0.566**0.494**0.381*
X8In0.728**0.638**0.647**0.686**0.686**0.545**0.602**
Non-In0.762**0.565**0.506**0.528**0.654**0.335*0.645**
X9In0.743**0.819**0.708**0.679**0.747**0.457**0.553**0.727**
Non-In0.680**0.701**0.642**0.711**0.721**0.538**0.533**0.758**
X10In0.594**0.580**0.468**0.599**0.576**0.510**0.579**0.527**0.500**
Non-In0.533**0.484**0.448**0.602**0.533**0.503**0.601**0.490**0.554**
X11In0.406*0.473**0.179ns0.517**0.493**0.424*0.386*0.146ns0.283ns0.415*
Non-In0.370*0.278ns0.486**0.658**0.564**0.713**0.468**0.421*0.492**0.491**
YIn0.625**0.721**0.601**0.998**0.789**0.533**0.782**0.668**0.678**0.594**0.515**
Non-In0.468**0.466**0.620**0.993**0.554**0.525**0.556**0.510**0.689**0.601**0.655**

 and **: Significant at 5%, 1% level of probability. ns: not significant.
X1: tiller numbers/plant, X2: spike length, X3: spikelets/spike, X4: spike weight/plant, X5: grains/spike, X6: grain weight/spike, X7: 100-grain weight, X8: total chlorophyll content of flag leaf, X9: biological yield/plant, X10: root weight, X11: leaves area, and Y: grain yield.