YP

YS

SI

Mp

GMP

TOL

SSI

STI

YP

1.00

0.071

0.660

0.991

0.760

0.991

0.655

0.718

 

 

0.767

0.002

<.0001 

0.0001    

<.0001    

0.002

0.0004

YS

0.071

1.000

-0.569

0.203

0.676

-0.065

-0.574

0.660

 

 

 

0.009

0.391

0.001

0.785

0.008

0.002

SI

0.660

-0.569

1.000

0.572

0.165

0.737

1.000

0.139

 

0.002

0.009

 

0.009

0.488

0.0002    

<.0001    

0.558

Mp

0.991

0.203

0.572

1.000

0.836

0.964

0.566

0.792

 

<.0001    

0.391

0.009

1.000

<.0001    

<.0001    

0.009

<.0001

GMP

0.760

0.676

0.165

0.836

1.000

0.668

0.158

0.975

 

0.0001    

0.001

0.488

<.0001

 

0.001

0.507

<.0001

TOL

0.991

-0.065

0.737

0.964

0.668

1.000

0.733

0.628

 

<.0001    

0.785

0.0002    

<.0001    

0.001

 

0.0002    

0.582

SSI

0.655

-0.574

1.000

0.566

0.158

0.733

1.000

0.131

 

0.002

0.008

<.0001    

0.009

0.507

0.0002

 

0.582

STI

0.718

0.660

0.139

0.792

0.975

0.628

0.131

1.000

 

0.0004    

0.002

0.558

<.0001    

<.0001    

0.003

0.582

 

YP: Total root yield under normal irrigation condition; YS: Total root yield under water deficit condition; SI: Susceptible index; MP: Mean productivity; GMP: Geometric mean productivity; STI: Stress tolerance index; TOL: Tolerance; SSI: Stress susceptibility index
Table 5: Pearson Corrélation Coefficients (N = 20 Prob > |r| under H0: Rho=0) for various drought tolerant indices for genotypes screened at Kiboko.