Table 3 The analysis of variances for the RSA-related and associated traits under drought stress.

From: Unravelling root system architecture plasticity in response to abiotic stresses in maize

Source

DF

Mean Sum of Square

TRL

SA

AD

RV

TN

Genotype

19

51333.00***

2574.20***

0.02***

0.92***

54674.00***

Block

2

821.00

1.50

0.00

0.02

2492.00

Residuals

38

2348.00

66.60

0.00

0.02

5424.00

Total

59

54502.00

2642.30

0.02

0.97

62590.00

Source

DF

Mean Sum of Square

RL

SL

SFW

RFW

SDW

Genotype

19

82.43***

9.09***

4.65***

2.01***

0.010***

Block

2

11.02

0.51

0.22

0.02

0.001

Residuals

38

16.08

0.83

0.28

0.14

0.001

Total

59

109.53

10.43

5.15

2.17

0.012

Source

DF

Mean Sum of Square

RDW

SPADBS

SPADLP

SRL

RLDp5

Genotype

19

0.004***

37.37***

89.17***

2674253.00***

0.013***

Block

2

1e-5

6.00

4.33*

1024617.00*

0.007

Residuals

38

4.2e-4

4.80

0.85

311902.00

0.005

Total

59

0.004

48.17

94.35

4010772.00

0.025

  1. Note: DF-degrees of freedom, TRL-total root length (cm), SA-surface area (cm2, AD-average diameter (mm), RV-root volume (cm3, TN-total number of roots (N), RL-root length (cm), SL-shoot length (cm), SFW-shoot fresh weight (g), RFW-Root fresh weight (g), SDW-shoot dry weight (g), RDW-root dry weight (g), SPADBS-SPAD value before stress imposition, SPADLP-SPAD value at 15th day after stress imposition, SRL-specific root length, RLDp5-The relative root length distribution of roots having a diameter < 0.5 mm. * and *** represent significant differences at the 0.05 and 0.001 probability levels, respectively.
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