Table 3.

Spike and grain measurements related to the outdoor experiment

		Treatment
	Static	Wind	Brushed	Brushed vs. wind (Tukey HSD)
T2 Spike count (n = 24)
	3.1 ± 0.17	3.4 ± 0.20	3.5 ± 0.22
		P = 0.573	P = 0.385	P = 0.952
T3 main tiller spike length (mm; n = 20)
	75.32 ± 1.789	71.93 ± 2.556	69.13 ± 2.012
		P = 0.426	P = 0.066	P = 0.636
T3 main tiller spike weight (g; n = 12)
	1.29 ± 0.169	1.14 ± 0.206	1.12 ± 0.164
		P = 0.795	P = 0.734	P = 0.995
T3 average spike length (mm; n = 12)
	79.70 ± 1.374	76.24 ± 2.104	73.85 ± 1.586
		P = 0.275	P = 0.040	P = 0.593
			*
	a	ab	b
T3 average spike weight (g; n = 12)
	1.72 ± 0.092	1.70 ± 0.094	1.43 ± 0.048
		P = 0.975	P = 0.034	P = 0.071
			*
	a	ab	b
	Static	Wind	Brushed
n =	202	206	252
Grain length (mm)
	4.60 ± 0.035	4.51 ± 0.032	4.35 ± 0.030
		P = 0.074	P < 0.001	P = 0.002
			***
	a	a	b
Grain depth (mm)
	2.72 ± 0.027	2.65 ± 0.031	2.68 ± 0.024
		P = 0.139	P = 0.565	P = 0.609
Grain width (mm)
	3.58 ± 0.026	3.52 ± 0.028	3.37 ± 0.024
		P = 0.188	P < 0.001	P < 0.001
			***
	a	a	b
Mean grain volume (mm3)
	25.12 ± 0.389	23.54 ± 0.395	22.21 ± 0.336
		P = 0.007	P < 0.001	P = 0.028
		**	***
	a	b	c
Mean grain count per main tiller
	18.4 ± 3.63	17.2 ± 4.49	21.0 ± 3.91
		P = 0.969	P = 0.859	P = 0.778
Total grain volume (mm3)
	563.75 ± 66.847	538.73 ± 107.295	506.21 ± 82.342
		P = 0.972	P = 0.849	P = 0.961

Significant differences to the static treatment are indicated by asterisks (*P < 0.05, **P < 0.01, ***P < 0.001).

ANOVA with a post-hoc Tukey test was performed to identify statistical differences (P < 0.05), indicated by lower case letters.

Data in this table are means ± standard error.