Effect of selenium foliar application on oil yield, fatty acid composition and glucosinolate content of rapeseed cultivars under late-season thermal stress | OCL

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Table 4

Analysis of variance and comparison of main effects for oil yield, oil content and fatty acid composition of rapeseed cultivars under late-season thermal stress and selenium foliar application.

S.O.V	df		Oil yield (kg/ha)	Oleic acid (%)	Linolenic acid (%)	Linoleic acid (%)	Palmitic acid (%)	Erucic acid (%)	Glucosinolate (µmole/g)
Year (Y)	1		**	**	**	**	**	**	**
		2013–2014	1610 b	62.00 b	5.48 a	19.02 a	4.77 b	0.29 a	12.90 a
		2014–2015	1933 a	64.52 a	5.89 a	17.50 b	5.18 a	0.32 a	12.44 a
		LSD 5%	250.25	0.06	1.08	0.42	0.11	0.07	2.68
Planting date (P)	2		**	**	**	**	**	**	**
		Oct. 7	2352 a	64.67 a	4.55 c	19.94 a	5.60 a	0.18 c	9.40 c
		Oct. 17	1771 b	63.35 b	5.68 b	18.23 b	5.10 b	0.30 b	12.70 b
		Oct. 27	1192 c	61.76 c	6.82 a	16.61 c	4.22 c	0.44 a	15.91 a
		LSD 5%	103.19	0.43	0.12	0.40	2.22	0.01	0.32
Selenium (Se)	1		**	**	**	*	**	**	**
		Control	1697 b	63.09 b	5.83 a	18.06 b	4.89 b	0.32 a	13.08 a
		Se application	1845 a	63.43 a	5.54 b	18.46 a	5.06 a	0.29 b	12.26 b
		LSD 5%	84.25	0.32	0.10	0.33	0.15	0.01	0.26
Cultivar (C)	5		**	**	**	**	**	**	**
		Opera	1839 a	63.48 a	5.55 b	18.47 a	5.10 a	0.29 b	12.31 b
		L72	1923 a	63.67 a	5.37 c	18.67 a	5.14 a	0.27 c	11.85 c
		KR1	1667 b	63.02 b	5.89 a	17.97 b	4.87 b	0.33 a	13.27 a
		GKH3705	1670 b	63.00 b	5.89 a	17.98 b	4.85 b	0.33 a	13.22 a
		GKH0224	1624 b	62.84 b	5.98 a	17.85 b	4.77 b	0.34 a	13.45 a
		Neptune	1905 a	63.56 a	5.42 c	18.63 a	5.12 a	0.28 bc	11.93 c
		LSD 5%	97.53	0.37	0.11	0.29	0.18	0.01	0.34
P × Y	2		ns	ns	**	*	**	ns	**
Y × Se	1		ns	ns	ns	ns	ns	ns	ns
Se × P	2		ns	ns	ns	ns	ns	ns	ns
Se × P × Y	2		ns	ns	ns	ns	ns	ns	ns
C × Y	5		ns	ns	ns	ns	ns	ns	ns
C × P	10		**	**	ns	**	**	ns	**
C × Se	5		ns	ns	ns	ns	ns	ns	ns
C × P × Y	10		ns	ns	ns	ns	ns	ns	ns
C × Se × Y	5		ns	ns	ns	ns	ns	ns	ns
C × Se × P	10		*	ns	*	*	*	*	*
C × Se × P × Y	10		ns	ns	ns	ns	ns	ns	ns
CV (%)			11.80	0.96	1.28	4.35	3.43	8.03	10.07

*: Significant at 5% level of probability; **: Significant at 1% level of probability; S.O.V.: Source of variation; df: Degree of freedom; CV: Coefficient of variation; Y: Year; R: Replication; P: Planting date; Se: Selenium; C: Cultivar.

a–c: Means followed by similar letters in each column are not significant at 0.05 probability level.

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