Table 2.

Variance estimates (standard errors within parenthesis) for FRY and DMC in three different diallel sets evaluated in the three environments for cassava production in Colombia

Genetic parameter	Fresh root yield (t ha−1)			Dry matter content (%)
	Acid soil	Sub-humid	Mid-altitude	Acid soil	Sub-humid	Mid-altitude
${\mathit{\sigma }}_{\text{G}}^2$ (between)	1.65	13.09	42.78	1.60	0.77	0.35
	(2.95)	(4.74)	(13.27)	(0.66)	(0.29)	(0.12)
${\mathit{\sigma }}_{\text{G}}^2$ (within)	21.08	127.21	288.93	3.22	5.56	0.12
	(2.30)	(7.65)	(1918)	(0.17)	(0.31)	(0.12)
${\mathit{\sigma }}_{\text{A}}^2$	−1.49	17.82	11.88	3.38	1.45	0.99
	(6.32)	(13.75)	(24.67)	(2.40)	(0.99)	(0.47)
${\mathit{\sigma }}_{\text{D}}^2$	9.03	23.87	152.11	0.87	0.77	−0.21
	(7.93)	(11.15)	(49.08)	(0.67)	(0.50)	(0.13)
Epistasis test	15.05	100.40	168.91	0.87	4.26	−0.32
	(6.74)	(12.74)	(39.72)	(1.29)	(0.67)	(0.92)