Table 3 Statistical analysis parameters for the response of nutritional quality attributes of tef grains to N fertilization in the pot experiment.

From: Nitrogen availability and genotype affect major nutritional quality parameters of tef grain grown under irrigation

 

Model F value

P value interaction

P value N

P value variety

Intercept

Slope N

R2

Ca (mg/100 gr DW)

0.05

0.11

0.02

0.73

143.50

0.49811

0.20

Mg (mg/100 gr DW)

0.98

0.29

0.87

0.10

197.46

0.03351

0.00

Fe (mg/100 gr DW)

0.01

0.95

0.00

0.72

3.85

0.02922

0.29

Zn (mg/100 gr DW)

0.01

0.15

0.01

0.34

6.17

0.01364

0.32

Mn (mg/100 gr DW)

 <  0.0001

0.90

0.17

0.00

13.87

− 0.01991

0.53

Cu (mg/100 gr DW)

 <  0.0001

0.91

 < .0001

0.94

0.58

− 0.00422

0.62

C14:0 (%)

0.75

0.15

0.48

0.18

0.03

0.00002

0.03

C15:0 (%)

0.03

0.81

0.02

0.55

0.01

0.00005

0.31

16:0 (%)

0.06

0.19

0.03

0.02

15.05

0.00954

0.28

C16:1 (Z7) (%)

0.91

0.42

0.85

0.49

0.03

0.00000

0.01

C16:1 (Z9) (%)

0.86

0.33

0.82

0.01

0.11

0.00003

0.02

C17:0 (%)

0.20

0.74

0.08

0.70

0.29

− 0.00153

0.16

C18:0 (%)

0.02

0.73

0.54

0.00

3.89

− 0.00090

0.37

18:11 (Z9) (%)

0.90

0.84

0.71

0.02

26.17

− 0.00184

0.01

C18:1 (Z11) (%)

0.90

0.24

0.76

0.27

0.60

− 0.00007

0.01

C18:2 (%)

0.65

0.25

0.36

0.26

46.94

− 0.00336

0.05

C18:3 (%)

 <  0.0001

0.95

0.79

0.0001

5.76

0.00037

0.71

C20:0 (%)

0.00

0.32

0.02

0.0001

0.60

0.00081

0.56

C20:1 (Z11) (%)

0.12

0.93

0.17

0.002

0.18

− 0.00027

0.24

C20:1 (Z13) (%)

0.27

0.86

0.12

0.20

0.24

− 0.00027

0.16

SFA (%)

0.00

0.11

0.02

0.73

19.87

0.00792

0.54

MUFA (%)

0.95

0.72

0.77

0.39

27.24

0.00139

0.01

PUFA (%)

0.10

0.68

0.49

0.43

52.70

− 0.00299

0.23

HAC (µmoleTE/mg DW)

0.40

0.32

0.26

0.28

1.34

− 0.00133

0.07

LAC (µmoleTE/mg DW)

0.44

0.91

0.21

0.0001

2.21

0.00601

0.06

Phenolics-free (mg RE/g DW)

0.09

0.11

0.18

1.00

2.28

− 0.00114

0.18

Phenolics-bound (mg RE/g DW)

0.04

0.94

0.19

0.07

0.16

0.00169

0.66

TPC (mg GAE/gr DW)

0.01

0.88

0.02

0.014

0.84

0.00223

0.29

Genistic acid (µg/g DW)

0.71

0.89

0.42

0.96

25.65

− 0.05076

0.03

Vanillin (µg/g DW)

 <  0.0001

0.90

0.08

0.0001

109.87

− 0.37473

0.74

p-coumaric acid (µg/g DW)

0.02

0.96

0.61

0.0001

46.83

0.24071

0.27

Ferulic acid (µg/g DW)

 <  0.0001

0.10

0.82

0.0001

47.95

− 0.01662

0.79

Rutin (µg/g DW)

 <  0.0001

0.54

0.01

0.0002

220.16

0.50297

0.72

Quercetin (µg/g DW)

0.75

0.78

0.46

0.44

1,772.93

0.82448

0.03

  1. All table results are presented as mean ± SE.
Back to article page