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Table 4 Specific combining abilities effects for fifteen single crosses for all the studied traits combined across two locations

From: Combining abilities and genetic parameters for grain yield and some agronomic traits in maize (Zea mays L.)

Crosses

DTS

PHT

EHT

Epos%

E100P

EL

ED

KR−1

GY ard fed−1

L1 × T1

0.35

0.12

 − 0.80

 − 0.52

0.28

 − 0.20

0.11*

 − 1.408*

 − 1.90

L1 × T2

 − 0.35

 − 0.12

0.80

0.52

 − 0.28

0.20

 − 0.109*

1.41*

1.90

L2 × T1

 − 0.21

4.56

4.39

0.59

 − 0.69

 − 0.38

 − 0.06

0.29

 − 0.45

L2 × T2

0.21

 − 4.56

 − 4.39

 − 0.59

0.69

0.38

0.06

 − 0.29

0.45

L3 × T1

0.23

0.25

0.45

0.07

3.65

0.07

 − 0.06

1.14

0.13

L3 × T2

 − 0.23

 − 0.25

 − 0.45

 − 0.07

 − 3.65

 − 0.07

0.06

 − 1.14

 − 0.13

L4 × T1

 − 0.15

 − 0.25

0.45

0.17

 − 5.217*

0.51

 − 0.07

2.54**

 − 1.55

L4 × T2

0.15

0.25

 − 0.45

 − 0.17

5.22*

 − 0.51

0.07

 − 2.542**

1.55

L5 × T1

0.10

 − 1.57

 − 1.05

 − 0.35

 − 2.10

0.95**

0.01

1.55

2.68*

L5 × T2

 − 0.10

1.57

1.05

0.35

2.10

 − 0.947**

 − 0.01

 − 1.55

 − 2.678*

L6 × T1

 − 0.33

1.25

2.08

0.27

0.12

 − 0.18

 − 0.04

 − 0.22

0.37

L6 × T2

0.33

 − 1.25

 − 2.08

 − 0.27

 − 0.12

0.18

0.04

0.22

 − 0.37

L7 × T1

0.854*

 − 3.19

0.33

0.45

0.30

 − 0.853*

 − 0.06

 − 2.108*

 − 2.088*

L7 × T2

 − 0.85*

3.19

 − 0.33

 − 0.45

 − 0.30

0.85*

0.06

2.11*

2.09*

L8 × T1

 − 0.02

0.37

0.14

 − 0.33

0.90

 − 0.22

 − 0.04

 − 0.51

 − 0.62

L8 × T2

0.02

 − 0.37

 − 0.14

0.33

 − 0.90

0.22

0.04

0.51

0.62

L9 × T1

0.917*

0.50

1.70

0.38

2.53

0.76*

0.02

1.49

 − 0.24

L9 × T2

 − 0.92*

 − 0.50

 − 1.70

 − 0.38

 − 2.53

 − 0.759*

 − 0.02

 − 1.49

0.24

L10 × T1

 − 0.65

 − 5.50

 − 1.67

0.19

2.77

 − 0.803*

 − 0.07

 − 1.21

0.90

L10 × T2

0.65

5.50

1.67

 − 0.19

 − 2.77

0.80*

0.07

1.21

 − 0.90

L11 × T1

 − 0.77

0.93

 − 4.98

 − 2.67

 − 2.35

 − 0.54

0.07

0.08

0.78

L11 × T2

0.77

 − 0.93

4.98

2.67

2.35

0.54

 − 0.07

 − 0.08

 − 0.78

L12 × T1

 − 0.27

 − 10.25*

 − 8.42*

 − 1.13

 − 4.37

 − 0.12

0.00

 − 2.096*

0.41

L12 × T2

0.27

10.254*

8.421*

1.13

4.37

0.12

0.00

2.10*

 − 0.41

L13 × T1

0.10

7.37

4.83

0.26

1.72

0.23

0.03

0.35

1.45

L13 × T2

 − 0.10

 − 7.37

 − 4.83

 − 0.26

 − 1.72

 − 0.23

 − 0.03

 − 0.35

 − 1.45

L14 × T1

 − 0.27

 − 0.69

 − 2.86

 − 0.89

 − 1.11

0.07

0.03

 − 1.01

 − 0.20

L14 × T2

0.27

0.69

2.86

0.89

1.11

 − 0.07

 − 0.03

1.01

0.20

L15 × T1

0.10

6.12

5.39

3.529*

3.58

0.70*

0.13*

1.11

0.34

L15 × T2

 − 0.10

 − 6.12

 − 5.39

 − 3.53*

 − 3.58

 − 0.697*

 − 0.134*

 − 1.11

 − 0.34

SE Sij

0.506

4.673

4.374

1.836

2.861

0.367

0.064

0.937

1.409

LSD 0.05

0.992

9.159

8.574

3.598

5.607

0.719

0.125

1.837

2.761

0.01

1.303

12.037

11.269

4.729

7.369

0.945

0.164

2.414

3.629

  1. *, ** significant at 0.05 and 0.01 levels of probability, respectively
  2. DTS days to 50% silking (days), PHT plant height, cm, EHT ear height, cm, Epos% ear position %, E100P ears/100plant, El Ear Length, cm, ED Ear Diameter, cm, KR−1 no of Kernels Row, GY Grain Yield ard fed−1