TABLE 5.

Estimated epistatic effects between QTL for the maize data

		Effecta
QTL pair	LOD	aa + dd	ad + da	(%)b	(%)b
I, II	1.97	−7.20		0.53	0.74
I, V	1.12	−5.81		0.32	0.45
I, IX	2.66	9.57		0.90	1.27
I, XII	1.37	−6.54		0.38	0.53
II, III	1.36	7.65		0.52	0.74
II, IX	0.88	5.49		0.28	0.39
III, IV	1.50	−7.21		0.47	0.67
III, VI	1.13	−5.38		0.28	0.40
III, VIII	0.51	4.74		0.20	0.28
III, XIII	1.21	−5.72		0.31	0.43
IV, XII	1.28	7.09		0.44	0.62
V, VIII	0.91	−4.92		0.21	0.30
V, X	1.69	8.14		0.59	0.84
VIII, XIII	1.22	6.05		0.35	0.49
V, VIII	0.84		−6.59	0.38	0.54
VI, VII	1.22		−6.85	0.44	0.61
VI, VIII	1.88		8.33	0.70	0.99
VIII, XIII	1.05		6.12	0.36	0.50
IX, X	2.25		12.91	1.61	2.27
IX, XI	2.65		−16.49	2.46	3.47
IX, XII	0.80		4.97	0.24	0.33
X, XIII	0.92		5.63	0.30	0.43

^aEpistatic effects in bushels/acre.

^b and are the fraction of the phenotypic variance in backcrosses to Mo17 () and B73 (), respectively, accounted for by each putative QTL epistatic interaction.