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Table 2 Phenotypic correlation coefficients among root traits by entry class

From: Characterization of mature maize (Zea mays L.) root system architecture and complexity in a diverse set of Ex-PVP inbreds and hybrids

Entry class

N a

 

Pearson correlation coefficients

FD

FA

RA

SD

Parent

72

FD

1

   

FA

0.74***

1

  

RA

−0.40**

0.06

1

 

SD

0.48***

0.54***

0.02

1

F1

386

FD

1

   

FA

0.88***

1

  

RA

−0.05

0.13*

1

 

SD

0.61***

0.61***

−0.13**

1

Check

45

FD

1

   

FA

0.88***

1

  

RA

−0.10

−0.09

1

 

SD

0.69***

0.68***

−0.33*

1

  1. FD fractal dimension, FA fractal abundance, RA root angle and STD stalk diameter.
  2. ***, **, * Correlation coefficients are significant at the 0.0001, 0.001, and 0.05 unadjusted probability levels, respectively.
  3. aNumber of plot means per entry class.
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