TABLE 3.

QTL positions and effects for linear transformations Z₁, Z₂, and Z₃ as well as dominance ratio d_i*/|a_i*| and joint mapping of five biomass-related traits in Arabidopsis hybrid C24 × Col-0

		Z1			Z2				Z3
Chromosome	Position (cM)a	LOD scoreb	Effect ai*	p (%)c	LOD score	Effect 2di*	p (%)	di*/|ai*|	LOD score	Effect [dai]	p (%)	Joint LOD scored
RD22 (mm)
3	6	1.85	−2.03**	3.9	0.23	−0.55	0.5	−0.13	0.02	0.18	0.0	2.08
4	24	3.10	2.87**	6.3	0.03	0.17	0.0	0.03	0.24	−0.78	0.4	4.24
5	14	1.87	2.14**	4.2	0.08	−0.19	0.1	−0.04	0.78	1.43	1.4	2.87
Total				12.6			0.6				1.8
RD29 (mm)
1	52	0.38	−3.13	1.2	0.00	−0.46	0.1	−0.07	2.11	−3.92**	5.4	2.30
1	70	0.02	2.04	0.5	2.12	3.20**	5.8	0.78	0.01	0.33	0.0	2.17
2	58	2.02	−5.89**	4.9	0.28	0.99	0.7	0.08	0.32	1.50	0.9	2.85
4	20	2.10	5.92**	5.3	0.34	1.13	1.0	0.09	0.00	0.19	0.0	2.53
5	60	0.54	−2.28	0.7	1.82	2.55**	4.6	0.56	0.01	0.43	0.0	2.23
Total				10.4			12.5				7.1
GR (mm/day)
1	70	0.0	−0.03	0.0	3.95	0.31**	15.3	5.17	0.03	0.00	0.0	3.99
2	50	2.02	−0.31**	5.0	0.12	0.14	3.6	0.22	0.02	0.04	0.0	0.40
3	6	2.23	−0.34**	6.4	0.01	−0.01	0.0	−0.01	0.06	−0.13	0.3	0.22
5	60	0.10	−0.04	0.0	2.38	0.26**	11.4	3.25	0.00	0.06	0.0	2.46
Total				10.5			28.0				0.6
DMC (%)
2	60	4.59	0.29**	6.6	0.23	0.13	1.1	0.22	0.51	−0.02	0.0	5.79
2	68	0.06	0.02	0.0	2.92	−0.30**	11.1	−7.50	0.06	0.00	0.0	4.68
3	14	3.58	0.23**	10.5	0.01	−0.01	0.0	−0.02	0.26	0.11	2.7	6.55
3	84	2.17	0.20**	6.6	0.02	−0.01	0.0	−0.02	0.26	0.04	0.3	2.48
4	8	0.02	0.02	0.0	0.06	0.02	0.2	0.50	3.41	−0.31**	16.4	3.47
Total				31.1			13.7				20.5
BY (mg)
3	30	0.40	−3.25	1.0	2.41	6.59*	3.2	1.01	0.02	0.96	0.0	2.64
4	16	3.43	10.69**	9.8	0.01	−0.82	0.0	−0.04	0.03	2.32	0.2	4.38
5	16	2.69	9.33**	8.9	0.21	−2.80	0.6	−0.15	0.50	5.87	1.5	3.24
Total				17.4			3.6				1.7

For description of linear transformations and traits see materials and methods.

^aPosition on chromosome according to the map published by Törjék et al. (2006).

^bEstimates of QTL, for which the LOD score surpassed the threshold level, are given in italics.

^cProportion of genotypic variance explained by the QTL in a simultaneous fit.

^dJoint mapping over all linear transformations Z₁, Z₂, and Z₃.