Table 2.

Genetic correlation coefficients^† of grain yield with shattering and other agronomic traits in different wheat populations averaged across sites and years

Population/site/year	Grain shattering vs:
	Grain yield	Plant height	Phenology	Grain size
Drysdale × Waagan
Wagga Wagga, 2015 Early	− 0.07 ns	0.25**	0.07 ns	0.09 ns
Wagga Wagga, 2015 Late	− 0.50***	0.67***	− 0.32***	0.06 ns
Crusader × RT812
Condobolin, 2017 Early	− 0.69***	0.14*	0.09 ns	0.11 ns
Condobolin, 2017 late	− 0.75***	0.25**	0.17**	0.12 ns
Condobolin, 2018 Early	− 0.83***	0.08 ns	0.37***	0.26***
Diversity panel
Elite lines, Leeton, 2015, Early	− 0.36***	0.32***	− 0.30***	0.25***
Elite lines, Leeton, 2015, Late	− 0.11 ns	0.37***	− 0.30***	0.40***
Elite lines, Wagga Wagga, 2015, Early	− 0.43***	0.38***	− 0.19**	–
Elite lines, Wagga Wagga, 2015, Late	− 0.20**	0.41***	− 0.05 ns	–
Landraces, Leeton, 2015, Late	− 0.50***	0.12 ns	–	–
Landraces, Wagga Wagga, 2015, Late	− 0.29*	0.18 ns	–	–

Signif. codes: < 0.001 '***'; 0.01 '**'; '*' 0.05; ns = Not significant, ‘- ‘ = Not available

^†A genetic correlation coefficient measures the degree of association between the genetic variations of two quantitative characters in a population (Reeve 1955)