Source of variation

Degrees of freedom

Mean squares

Plant height

Tillers plant⁻¹

Spike length

Spikelets spike⁻¹

Seeds spike⁻¹

Seed index (g)

Grain yield plant⁻¹

Replications

2

1.68

0.75

0.04

1.85

0.98

0.25

0.80

Genotypes

9

227.60^**

13.61^**

10.66^**

3.47^**

65.46^**

21.73^**

10.76^**

GCA

3

199.30^**

8.97^**

8.45^**

1.89^**

6.58^**

12.54^**

6.59^**

SCA

5

182.96^**

12.78^**

11.41^**

4.43^**

75.67^**

28.81^**

13.78^**

Error

19

0.654

0.2404

0.3308

1.3305

2.7182

0.1942

0.2973