Table 6 Analysis of variances for the additive main effects and multiplicative interactions of RSA-related and associated traits in maize seedlings.

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

Source

DF

Mean Sum of Square

TRL

SA

AD

RV

TN

Stress

3

16737163.00***

239834.00***

0.43***

18.85***

32565945.00***

Rep (Stress)

8

7385.00

61.00

0.00*

0.04

256077.00*

Gen

19

1635652.00***

32959.00***

0.04***

4.93***

4346470.00***

Stress × Gen

57

325264.00***

4553.00***

0.02***

0.60***

961532.00***

Residuals

152

13366.00

238.00

0.00

0.04

42214.00

Source

DF

Mean Sum of Square

RL

RFW

RDW

SRL

RPWp5

Stress

3

12274.50***

44.38***

0.089***

310863827.00***

0.15***

Rep (Stress)

8

34.00

0.54

0.000

2027833.00

0.01

Gen

19

391.70***

10.19***

0.030***

20466011.00***

0.04***

Stress × Gen

57

119.90***

1.46***

0.003***

6057312.00***

0.02***

Residuals

152

28.90

0.33

0.000

1042944.00

0.00

Source

DF

Mean Sum of Square

SL

SFW

SDW

SPADBS

SPADLP

Stress

3

850.99***

966.41***

2.429***

110.04***

1626.70***

Rep (Stress)

8

2.25

1.00

0.00

3.70

2.00

Gen

19

34.21***

33.20***

0.09***

58.87***

138.96***

Stress × Gen

57

6.29***

9.06***

0.02***

15.36***

23.85***

Residuals

152

1.36

1.44

0.00

5.73

0.89

  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 *** represents significant differences at the 0.05 and 0.001 probability levels, respectively.
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