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

Table 2 Effects of mepiquat chloride (MC) on cottonseed yield and yield components under different plant densities in Sikang 1

MC	Plant density /(plant·m^-2)	Boll number per area		Seed number per boll		100-seed weight /g		Cottonseed yield /(kg·hm^− 2)
MC	Plant density /(plant·m^-2)	2013	2014	2013	2014	2013	2014	2013	2014
CK	1.35	60.7 c	48.0 c	31.0 a	31.7 a	10.2 a	10.2 a	1 926 c	1 555 b
	2.55	73.9 b	67.9 b	31.6 a	34.5 a	9.7 b	9.3 b	2 263 bc	2 180 a
	3.75	85.7 a	83.4 a	33.0 a	33.9 a	9.9 ab	9.1 b	2 810 a	2 562 a
	4.95	89.4 a	68.2 b	32.0 a	35.0 a	9.2 c	9.0 b	2 622 ab	2 149 a
MC 135 g·hm^− 2	1.35	69.8 c	65.0 b	30.8 a	32.8 a	11.0 a	10.7 a	2 354 c	2 268 c
	2.55	86.5 b	79.6 a	33.2 a	32.5 a	10.7 a	9.8 b	3 068 ab	2 544 bc
	3.75	99.9 ab	91.0 a	32.5 a	33.0 a	10.0 b	9.7 b	3 259 a	2 915 a
	4.95	102.7 a	82.1 a	31.0 a	34.7 a	9.8 b	9.6 b	3 112 a	2 736 ab
Source of variance
Plant density		**	**	ns	ns	**	**	**	**
MC		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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