Genetic dissection of quantitative and qualitative traits using a minimum set of barley Recombinant Chromosome Substitution Lines

Table 3 AMMI analysis of Dry yield (DY) and thousand grain weight (TGW) of RCSLs and Harrington across six environments (treatment/season combination)

Source of variation	d.f.	DY			TGW
Source of variation	d.f.	s.s.	s.s.%^a	P-value	s.s.	s.s.%^a	P-value
Genotypes (G)	28	64,299,273	17.62	< 0.001	2830	32.83	< 0.001
Environments (E)	5	161,011,460	44.12	< 0.001	2612	29.27	< 0.001
Reps within E	18	5,202,435	1.43	0.1035	348	3.90	< 0.001
Interactions (GE)	140	33,908,173	9.29	0.0682	930	10.42	< 0.001
Partition of GE
IPCA1	32	13,549,450	39.96	< 0.001	394	42.37	< 0.001
IPCA2	30	8,248,377	24.33	0.0895	226	24.30	0.0064
Residual	78	12,110,346	35.72	0.9141	310	33.33	0.5958
Error	504	100,495,504	27.54		2106	23.60
Total	695	364,916,846			8925

^aPercentage of the model sum of squares for genotypes (G), environments (E) and the interaction GE; percentage of the GE sum of squares for IPCAs in italics

ISSN: 1471-2229