Table 6.

An AMMI-based analysis of variance, likelihood ratio test, and estimation of genetic variance components for root and white sugar yields in experimental sugar beet genotypes.

Source of variation	df	Root yield			White sugar yield
		Mean of square	Pro.	Acc.	Mean of square	Pro.	Acc.
Environment	9	18,132.28**	66.41	66.41	404.34**	60.54	60.54
Replication (environment)	30	108.53	–	–	6.34	–	–
Genotype	19	303.19**	2.34	70.08	14.23**	4.50	68.20
Genotype × environment	171	131.88**	9.18	79.26	2.94**	8.36	76.57
PC1	27	241.30**	28.90	28.90	5.18**	27.80	27.80
PC2	25	192.93**	21.40	50.30	4.51**	22.40	50.30
PC3	23	183.30**	18.70	69.00	3.48**	15.90	66.20
PC4	21	121.26**	11.30	80.30	2.55*	10.70	76.90
PC5	19	109.65**	9.20	89.50	2.76*	10.40	87.30
PC6	17	59.30ns	4.50	94.00	1.76ns	5.90	93.30
PC7	15	40.90ns	2.70	96.70	1.11ns	3.30	96.60
PC8	13	43.51ns	2.50	99.20	0.84ns	2.20	98.80
PC9	11	16.34ns	0.80	100.00	0.56ns	1.20	100.00
Residuals	570	49.84	–	–	1.59	–	–
Total	970	253.32	–	–	6.20	–	–
Likelihood ratio test
Environment		49.84**	66.78	66.78	1.59**	71.95	71.95
Genotype		4.30**	5.74	72.52	0.28**	12.77	84.72
Genotype × environment		20.51**	27.48	100	0.34**	15.28	100
Genetic variance component
${\mathrm{\delta }}_{\text{P}}^2$		74.63			2.21
${\text{h}}_{\text{mg}}^2$		0.56			0.79
${\text{R}}^2$ genotype × environment		0.27			0.15
Accuracy		0.75			0.89

**: 1% probability level of significance; *: 5% probability level of significance; ns: non-significant; Pro: proportion variance; Acc: accumulated variance.