Effects of mepiquat chloride on yield and main properties of cottonseed under different plant densities

Table 3 Effects of mepiquat chloride (MC) on cottonseed oil content and protein content under different plant densities in Sikang 1

MC	Plant density /(plant·m⁻²)	100-embryo weight /g		Kernel percentage /%		Oil content /%		Protein content /%
MC	Plant density /(plant·m⁻²)	2013	2014	2013	2014	2013	2014	2013	2014
CK	1.35	5.5 a	6.4 a	54.1 a	62.6 a	31.9 a	30.9 a	40.1 a	40.1 a
	2.55	5.5 a	5.6 ab	56.9 a	60.6 a	31.4 ab	30.5 ab	41.8 a	42.1 a
	3.75	5.3 a	5.3 b	53.7 a	58.1 a	29.1 ab	29.9 b	43.0 a	43.3 a
	4.95	5.2 a	5.2 b	57.1 a	58.1 a	27.4 b	29.3 c	40.8 a	41.9 a
MC 135 g·hm^− 2	1.35	5.8 a	6.3 a	53.2 a	58.9 a	32.2 a	31.1 a	37.3 a	37.2 a
	2.55	5.5 ab	6.1 a	51.9 a	62.0 a	32.5 a	30.8 a	40.3 a	41.4 a
	3.75	5.3 b	6.1 a	53.2 a	62.5 a	30.7 ab	30.3 a	41.4 a	42.1 a
	4.95	5.2 b	5.8 a	53.1 a	60.4 a	27.7 b	29.7 a	39.8 a	38.3 a
Source of variance
Plant density		**	**	ns	ns	**	*	ns	ns
MC		*	*	ns	ns	*	**	ns	ns
Plant density × MC		ns	ns	ns	ns	ns	ns	ns	ns

Values followed by the different letters within the same column are significant differences at 0.05 probability level; * and ** represent significant differences at 0.01 and 0.05 probability level, respectively; ns represents no significant differences

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