Table 3.

Starch and protein concentration (%) of mature seeds in 12 field-grown winter wheat genotypes exposed to HNT and control environments during grain filling.

Genotype	Starch concentration (%)			Protein concentration (%)
	Control	HNT	% difference	Control	HNT	% difference
Everest	59.80	46.87	− 21.62	14.92	15.69	5.22
Jagger X060724	59.27	48.17	− 18.73	14.55	14.57	0.13
KS 070736K-1	48.82	51.80	6.12	14.27	14.73	3.20
KS 070729K-26	54.33	44.34	− 18.40	13.74	14.42	4.98
KS 070717M-1	56.07	37.20	− 33.67	15.68	15.56	− 0.73
Larry	49.27	45.31	− 8.04	14.46	14.25	− 1.45
P1 X060725	48.36	39.99	− 17.32	14.36	14.99	4.37
SY-monument	63.23	59.40	− 6.06	13.13	14.02	6.80
Tascosa	67.77	51.15	− 24.52	12.98	13.28	2.34
Tx86A5606	59.66	51.02	− 14.47	12.64	13.21	4.51
WB 4458	63.49	59.98	− 5.52	13.36	14.27	6.83
WB-cedar	78.29	64.66	− 17.41	14.95	14.92	− 0.25
Overall average	59.03a	49.99b	− 15.31	14.09a	14.49a	2.89

Means were separated using Tukey’s honest significant difference (HSD) test at p = 0.05 and statistically significant differences (p < 0.05) between the overall average of control and HNT are indicated by superscripts.