Table 1.

Overview of considered genetic materials, field experiments, layout, and trait heritabilities in field experiments conducted between 2015 and 2018

Population/Site/year	No. lines	Field layout (C × R)	Heritability estimates
			Grain shattering	Plant height	Phenology	Grain weight	Grain yield
Drysdale × Waagan
Wagga Wagga, 2015 Early	144	12 × 18	0.30	0.27	0.39	0.95	0.82
Wagga Wagga, 2015 Late	144	12 × 18	0.85	0.97	0.82	0.92	0.90
Crusader × RT812
Condobolin, 2017 Early	243	18 × 10	0.79	0.57	0.52	0.91	0.86
Condobolin, 2017 late	243	18 × 10	0.87	0.50	0.86	0.91	0.48
Condobolin, 2018 Early	262	18 × 20	0.42	0.23	0.88	0.85	0.56
Diversity panel
Elite lines, Leeton, 2015, Early	224	21 × 20	0.83	0.80	0.93	0.96	0.82
Elite lines, Leeton, 2015, Late	224	21 × 20	0.68	0.92	0.93	0.96	0.90
Elite lines, Wagga Wagga, 2015, Early	231	23 × 18	0.85	0.91	0.78	–	0.85
Elite lines, Wagga Wagga, 2015, Late	231	18 × 23	0.76	0.82	0.79	–	0.82
Landraces, Leeton, 2015, Late	64	6 × 20	0.65	0.80	–	–	0.85
Landraces, Wagga Wagga, 2015, Late	64	7 × 18	0.70	0.71	–	–	0.91

Field layout refers to the number of columns (C) and rows (R) used to ensure genotype allocation would be spatially balanced across the experiment. Heritability estimates represent the fraction of total variation due to genetic factors