Table 6.

Pearson correlation (corr) coefficients of plant traits with weather variables per trial are shown (using N = 10 varieties). Significant correlations are indicated in bold font (p < 0.05), and normal format indicates non-significant correlations.

Trials	ETo V					ETo GF
	GY	Prot (%)	HLW	TKW	NG	GY	Prot (%)	HLW	TKW	NG	ETo TOT with GY
2021 Almacelles 1SD Irrigated	−0.86	0.74	−0.92	−0.78	−0.20	0.67	−0.81	0.45	0.49	0.31	−0.75
2021 Almacelles 2SD Irrigated	−0.92	0.89	−0.83	−0.63	−0.70	0.86	−0.85	0.54	0.44	0.78	−0.85
2021 Almacelles 1SD Rainfed	−0.61	0.43	−0.90	−0.71	0.02	0.89	−0.85	0.04	0.16	0.74	−0.35
2021 Almacelles 2SD Rainfed	−0.62	0.74	−0.87	−0.66	−0.33	0.82	−0.88	0.62	0.70	0.55	−0.38
2022 Sucs 1SD Irrigated	−0.29	0.19	−0.74	−0.35	0.15	0.46	−0.57	0.42	0.47	−0.12	−0.18
2022 Sucs 2SD Irrigated	−0.80	0.58	−0.86	−0.60	−0.28	0.96	−0.93	0.58	0.50	0.57	−0.67
2022 Sucs 1SD Rainfed	−0.94	0.96	−0.71	−0.16	−0.75	0.96	−0.96	0.50	0.09	0.81	−0.88
2022 Sucs 2SD Rainfed	−0.95	0.86	−0.61	0.64	−0.96	0.96	−0.93	0.52	−0.48	0.90	−0.84
*Irrigated 1SD	−0.80	0.58	−0.86	−0.65	−0.10	0.76	−0.87	0.55	0.64	0.14	−0.71
*Irrigated 2SD	−0.90	0.82	−0.85	−0.62	−0.58	0.91	−0.96	0.57	0.47	0.74	−0.81
*Rainfed 1SD	−0.74	0.88	−0.83	−0.52	−0.29	0.95	−0.96	0.31	0.27	0.66	−0.58
*Rainfed 2SD	−0.75	0.84	−0.80	−0.06	−0.69	0.85	−0.97	0.66	0.24	0.70	−0.60
Trials	TM V					TM GF
	GY	Prot (%)	HLW	TKW	NG	GY	Prot (%)	HLW	TKW	NG	TM TOT with GY
2021 Almacelles 1SD Irrigated	−0.85	0.74	−0.92	−0.78	−0.19	−0.79	0.61	−0.88	−0.71	−0.19	−0.74
2021 Almacelles 2SD Irrigated	−0.92	0.90	−0.82	−0.65	−0.68	−0.90	0.85	−0.84	−0.61	−0.70	−0.84
2021 Almacelles 1SD Rainfed	−0.61	0.43	−0.89	−0.71	0.02	−0.51	0.34	−0.91	−0.69	0.10	−0.37
2021 Almacelles 2SD Rainfed	−0.61	0.74	−0.89	−0.68	−0.30	−0.54	0.64	−0.88	−0.62	−0.26	−0.40
2022 Sucs 1SD Irrigated	−0.30	0.20	−0.73	−0.34	0.14	−0.23	0.11	−0.77	−0.32	0.17	−0.18
2022 Sucs 2SD Irrigated	−0.81	0.59	−0.86	−0.60	−0.29	−0.75	0.52	−0.85	−0.59	−0.23	−0.71
2022 Sucs 1SD Rainfed	−0.94	0.96	−0.71	−0.16	−0.76	−0.91	0.94	−0.74	−0.21	−0.69	−0.88
2022 Sucs 2SD Rainfed	−0.95	0.86	−0.62	0.65	−0.97	−0.77	0.67	−0.52	0.51	−0.81	−0.81
*Irrigated 1SD	−0.79	0.58	−0.86	−0.64	−0.11	−0.75	0.49	−0.85	−0.59	−0.10	−0.70
*Irrigated 2SD	−0.89	0.82	−0.87	−0.63	−0.57	−0.86	0.77	−0.85	−0.61	−0.56	−0.81
*Rainfed 1SD	−0.75	0.88	−0.82	−0.52	−0.29	−0.68	0.83	−0.86	−0.54	−0.21	−0.59
*Rainfed 2SD	−0.75	0.84	−0.81	−0.05	−0.68	−0.62	0.71	−0.78	−0.04	−0.57	−0.60

ETo V (during the vegetative stage) and GF (during the grain filling stage): potential evapotranspiration (mm); TM V (during the vegetative stage) and GF (during the grain filling stage): maximum temperature (°C); GY: grain yield (t ha⁻¹); Prot (%): grain protein concentration (%); HLW: hectoliter weight (kg/hl); TKW: thousand kernel weight (g/1000 kernels); NG: number of grains m⁻² (units m⁻²); ETo TOT: potential evapotranspiration from sowing to maturity (mm); TM TOT: average maximum temperature from sowing to maturity (°C). * indicates correlations performed by averaging the two years of trials.