. 2025 Mar 28;16:1521113. doi: 10.3389/fpls.2025.1521113

Table 2.

Effect of irrigation on the nutritional components of black-grained wheat in different Se soil in two seasons.

Seasons	Treatments	Grain protein content (%)				Amylose content (%)
		BGW-1		BGW-2		BGW-1		BGW-2
		Se₀	Se₂₁₆₀	Se₀	Se₂₁₆₀	Se₀	Se₂₁₆₀	Se₀	Se₂₁₆₀
2018-2019	W₀	17.21 ± 0.22^Ab	18.22 ± 0.20^Aa	14.36 ± 0.18^Ab	15.48 ± 0.23^Aa	11.34 ± 0.15^Ab	13.97 ± 0.19^Aa	11.79 ± 0.22^Ab	14.13 ± 0.19^Aa
	W₁	17.05 ± 0.15^Ab	18.07 ± 0.17^Aa	14.19 ± 0.20^Ab	15.33 ± 0.20^Aa	11.31 ± 0.21^Ab	13.83 ± 0.22^Aa	11.60 ± 0.15^Ab	14.12 ± 0.20^Aa
	W₂	16.87 ± 0.17^Ab	17.95 ± 0.19^Aa	13.97 ± 0.16^Ab	15.07 ± 0.18^Aa	11.26 ± 0.18^Ab	13.81 ± 0.18^Aa	11.57 ± 0.19^Ab	14.07 ± 0.23^Aa
2019-2020	W₀	16.51 ± 0.15^Ab	17.53 ± 0.21^Aa	13.68 ± 0.19^Ab	14.78 ± 0.19^Aa	11.92 ± 1.17^Ab	14.51 ± 0.18^Aa	12.35 ± 0.16^Ab	14.74 ± 0.18^Aa
	W₁	16.30 ± 0.20^Ab	17.36 ± 0.16^Aa	13.48 ± 0.16^Ab	14.60 ± 0.22^Aa	11.85 ± 1.18^Ab	14.39 ± 0.21^Aa	12.31 ± 0.23^Ab	14.71 ± 0.17^Aa
	W₂	16.09 ± 0.19^Ab	17.13 ± 0.18^Aa	13.26 ± 0.21^Ab	14.30 ± 0.18^Aa	11.77 ± 1.18^Ab	14.36 ± 0.20^Aa	12.29 ± 0.17^Ab	14.66 ± 0.19^Aa
		Amylopectin content (%)				Total starch content (%)
2018-2019	W₀	51.78 ± 0.92^Ab	54.36 ± 1.02^Aa	54.12 ± 1.04^Ab	56.79 ± 1.02^Aa	63.12 ± 0.87^Ab	68.33 ± 0.91^Aa	65.81 ± 0.95^Ab	70.92 ± 1.01^Aa
	W₁	52.60 ± 1.04^Ab	55.74 ± 1.00^Aa	55.04 ± 1.03^Ab	58.12 ± 1.05^Aa	63.91 ± 1.04^Ab	69.57 ± 1.03^Aa	66.64 ± 1.08^Ab	72.24 ± 1.03^Aa
	W₂	53.91 ± 1.02^Ab	57.27 ± 1.01^Aa	56.37 ± 0.90^Ab	59.61 ± 1.03^Aa	65.17 ± 0.98^Ab	71.08 ± 1.04^Aa	67.94 ± 1.02^Ab	73.68 ± 0.96^Aa
2019-2020	W₀	52.43 ± 1.01^Ab	55.15 ± 1.03^Aa	54.80 ± 1.02^Ab	57.63 ± 1.04^Aa	64.35 ± 0.85^Ab	69.66 ± 1.02^Aa	67.15 ± 0.98^Ab	72.37 ± 1.05^Aa
	W₁	53.38 ± 1.03^Ab	56.62 ± 0.99^Aa	55.76 ± 0.95^Ab	59.08 ± 1.02^Aa	65.23 ± 0.98^Ab	71.01 ± 0.99^Aa	68.07 ± 1.03^Ab	73.79 ± 0.99^Aa
	W₂	54.82 ± 1.02^Ab	58.21 ± 1.02^Aa	57.20 ± 1.03^Ab	60.64 ± 1.03^Aa	66.59 ± 1.02^Ab	72.57 ± 1.03^Aa	69.49 ± 1.02^Ab	75.30 ± 1.02^Aa
		Soluble sugar content (%)				Sucrose content (%)
2018-2019	W₀	65.07 ± 1.02^Ab	68.12 ± 1.04^Aa	63.86 ± 1.01^Ab	66.81 ± 1.02^Aa	16.68 ± 0.23^Bb	18.83 ± 0.20^Ca	15.96 ± 0.21^Bb	18.02 ± 0.20^Ca
	W₁	66.14 ± 0.97^Ab	69.33 ± 0.99^Aa	64.88 ± 0.95^Ab	67.99 ± 0.97^Aa	17.15 ± 0.28^Bb	19.62 ± 0.25^Ba	16.42 ± 0.20^Bb	18.84 ± 0.21^Ba
	W₂	67.28 ± 1.03^Ab	70.65 ± 1.01^Aa	65.98 ± 1.02^Ab	69.26 ± 1.01^Aa	18.82 ± 0.26^Ab	20.37 ± 0.24^Aa	16.98 ± 0.23^Ab	19.59 ± 0.19^Aa
2019-2020	W₀	66.24 ± 0.94^Ab	69.45 ± 1.03^Aa	65.06 ± 0.94^Ab	68.09 ± 1.03^Aa	17.03 ± 0.21^Bb	19.34 ± 0.20^Ca	16.39 ± 0.25^Bb	18.64 ± 0.18^Ca
	W₁	67.40 ± 1.04^Ab	70.72 ± 1.00^Aa	66.20 ± 1.04^Ab	69.31 ± 0.99^Aa	17.63 ± 0.22^Bb	20.41 ± 0.25^Ba	17.11 ± 0.21^Bb	19.72 ± 0.22^Ba
	W₂	68.59 ± 1.01^Ab	73.13 ± 0.96^Aa	67.43 ± 1.02^Ab	70.65 ± 1.02^Aa	18.39 ± 0.19^Ab	21.24 ± 0.29^Aa	17.81 ± 0.23^Ab	20.52 ± 0.20^Aa

Values with different capital letter in the same column are significantly different (α = 0.01). Values with different small letters in the same row are significantly different (α = 0.05). W₀, no irrigation throughout the entire growing period; W₁, irrigated at the wintering stage (Feekes 3.0); W₂, irrigated at both the wintering and greening stage (Feekes 4.0); Se₀, no Se fertilizer; Se₂₁₆₀, 2160 g·ha^-1 pure Se; BGW-1, black-grained wheat Xihei 88; BGW-2, black-grained wheat Heidali.