Source of variability

DF

Number of bolls plant⁻¹

Boll weight (g)

Seed cotton yield (kg∙ha⁻¹)

Years (Y)

1

1764.00**

0.962**

3077101**

Planting dates (D)

5

241.13**

0.606**

3118491**

Y × D

5

35.08**

0.221**

255097**

Genotypes (G)

3

211.38**

0.662**

1647814**

Y × G

3

55.54**

0.309**

376002**

D × G

15

1.69

0.010*

31957

Y × D × G

15

2.26

0.0079

18013

Error (R × Y × D × G)

94

1.41

0.0087

26049