Table 2.

The effects of shading intensities on the yield, yield components, biomass, and HI of wheat in different shading durations in 2016–2017 and 2017–2018.

Cultivar	Shading treatment		2016–2017					2017–2018
	Duration	Intensity	Grain yield (g m−2)	Grain number (10−3 m−2)	Grain weight (mg grain−1)	Biomass (g m−2)	HI (%)	Grain yield (g m−2)	Grain number (10−3 m−2)	Grain weight (mg grain−1)	Biomass (g m−2)	HI (%)
Henong825	D1	CK	1,039.1a	25.1a	41.4a	2,230.4a	46.6a	951.4a	27.9a	34.1a	1994.4a	47.7a
		S1	1,082.1a	26.2a	41.3a	2,339.0a	46.3a	970.1a	28.7a	33.8a	2034.1a	47.7a
		S2	1,040.8a	25.2a	41.3a	2,222.9a	46.8a	966.7a	28.6a	33.8a	2027.8a	47.7a
	D3	CK	1,039.1a	25.1a	41.4a	2,230.4a	46.6a	951.4a	27.9a	34.1a	1994.4a	47.7a
		S1	1,034.9a	24.7a	41.9a	2,247.3a	46.1a	931.6a	27.4a	34.0a	1990.9a	46.8a
		S2	928.2b	22.1b	42.0a	1986.7b	46.8a	810.5b	23.7b	34.2a	1721.1b	47.1a
	D5	CK	1,039.1a	25.1a	41.4a	2,230.4a	46.6a	951.4a	27.9a	34.1a	1994.4a	47.7a
		S1	948.5b	22.8b	41.6a	2050.4b	46.3a	835.5b	24.5b	34.1a	1806.1b	46.3a
		S2	867.6c	21.8b	39.8b	1912.3c	45.3b	782.1c	23.7b	33.0b	1753.0c	44.6b
	D7	CK	1,039.1a	25.1a	41.4a	2,230.4a	46.6a	951.4a	27.9a	34.1a	1994.4a	47.7a
		S1	886.2b	21.2b	41.8a	1933.6b	45.9a	801.5b	23.3b	34.4a	1721.1b	46.6a
		S2	664.3c	17.3c	38.4b	1508.6c	44.0b	577.8c	18.0c	32.1b	1593.6c	36.3b
Kenong9204	D1	CK	977.6a	23.5a	41.6a	2007.9a	48.7a	858.8a	22.7a	37.8a	1784.8a	48.1a
		S1	819.3b	19.6b	41.8a	1742.3b	47.0b	758.0b	20.0b	37.9a	1604.2b	47.3a
		S2	772.3c	18.3c	42.2a	1721.1b	44.9c	672.0c	17.5c	38.4a	1,476.7c	45.5b
	D3	CK	977.6a	23.5a	41.6a	2007.9a	48.7a	858.8a	22.7a	37.8a	1784.8a	48.1a
		S1	690.4b	16.4b	42.1a	1,540.5b	44.8b	636.3b	16.7b	38.1a	1,444.9b	44.0b
		S2	497.2c	12.4c	40.1b	1519.2c	32.7c	414.4c	11.2c	37.0b	1,168.6c	35.5c
	D5	CK	977.6a	23.5a	41.6a	2007.9a	48.7a	858.8a	22.7a	37.8a	1784.8a	48.1a
		S1	633.7b	14.5b	43.7a	1,402.4b	45.2b	550.2b	14.0b	39.3a	1,232.4b	44.6b
		S2	172.7c	5.5c	31.4b	1,179.3c	14.6c	346.1c	11.2c	30.9b	1,168.6c	29.6c
	D7	CK	977.6a	23.5a	41.6a	2007.9a	48.7a	858.8a	22.7a	37.8a	1784.8a	48.1a
		S1	521.3b	12.5b	41.7a	1,306.8b	39.9b	448.4b	11.8b	38.0a	1,083.6b	41.4b
		S2	98.7c	3.5c	28.2b	1,104.9c	8.9c	267.3c	9.0c	29.7b	1,030.5c	25.9c
ANOVA	Cultivars (Cul)		**	**	**	**	**	**	**	**	**	**
	Duration (D)		**	**	**	**	**	**	**	**	**	**
	Intensity (In)		**	**	**	**	**	**	**	**	**	**
	Cul × D		**	**	**	**	**	**	**	**	**	**
	Cul × In		**	**	**	**	**	**	*	**	NS	**
	D × In		**	**	**	**	**	**	**	**	**	**
	Cul × D × In		**	**	**	**	**	**	**	**	NS	**

Different letters indicate significant differences (P < 0.05) among the treatments in each duration.

NS not significant.

*Significant at P < 0.05 level; **significant at P < 0.01 level. CK, control with 100% of natural light; S1, 40% of natural light; S2, 10% of natural light; D1, 1 day; D3, 3 days; D5, 5 days; D7, 7 days.