TABLE 3.

Genomic selection prediction abilities of intermediate wheatgrass traits across sites.

		Free Threshing%		Plant Height		Seed Mass		Shattering		Spikelets per Inflorescence		Spike Length		Spike Yield
Prediction Site	Year	r	CI	r	CI	r	CI	r	CI	r	CI	r	CI	r	CI
UMN-C1	2012	0.43	0.07	0.25	0.08	0.54	0.06			0.13	0.09	0.22	0.08	0.29	0.08
	2013	0.58	0.06	0.32	0.08	0.42	0.07			0.10	0.09	0.42	0.07	0.37	0.07
UMN-C2	2014	0.40	0.08	0.42	0.08			0.51	0.07			0.20	0.10	0.10	0.10
	2015	0.42	0.08	0.48	0.08			0.61	0.06			0.46	0.08	0.12	0.10
TLI-C6	2016	0.56	0.03	0.02	0.04	0.51	0.03	0.63	0.02	0.22	0.04	0.34	0.03	–0.08	0.04
	2017	0.71	0.02	0.22	0.05	0.67	0.03	0.64	0.03	0.39	0.04	0.42	0.04	–0.10	0.05
TLI-C7	2018	0.37	0.06	0.45	0.04	0.53	0.05	0.69	0.03	0.27	0.05	0.48	0.04	0.26	0.05
	2019	0.77	0.02	0.28	0.05	0.59	0.04	0.69	0.03	0.48	0.04			0.05	0.06
TLI-C8	2019	0.37	0.06	0.29	0.06	0.35	0.06	0.61	0.04	0.08	0.07			0.07	0.07

Prediction population was one cycle, with the training population comprising all other cycles. Predictive ability is reported as correlation between predicted value and phenotypic best linear unbiased predictor (BLUP) with ± range for the 95% confidence interval for correlation.