Effects of Combined Nitrogen and Selenium Fertilizer Application on Non-structural Carbohydrates,Grain Yield and Quality of Oil Flax

doi:10.7668/hbnxb.20195663

Abstract

Abstract:

To investigate the effects of combined nitrogen and selenium fertilizer application on non-structural carbohydrates, yield, and quality of oil flax, this study utilized Longya 11 as the test material.A two-factor split-plot field experiment was conducted to examine the effects of nitrogen fertilizer(N0:0 kg/ha,N1:75 kg/ha,N2:150 kg/ha)and selenium fertilizer(Se:0 g/ha,Se1:30 g/ha,Se2:60 g/ha)on oil flax non-structural carbohydrates,grain yield and quality of oil flax under dryland conditions.The results showed that the content of soluble sugar of stems and leaves decreased gradually with the advancement of growth,while the content of starch of stems was the opposite.Under the same selenium fertilizer level,nitrogen fertilization significantly increased the soluble sugar and starch content of stems and leaves,dry matter accumulation,branch number,valid fruits,seed number grain,yield,and seed protein and oleic acid content,and the N2 level had the highest value,and the increase was greater at maturity stage.Under different nitrogen application levels,the combined application of N1 or N2 and selenium fertilizer significantly increased the soluble sugar and starch content of stems and leaves,the dry matter accumulation,branch number,valid fruits,seed number,1000-seed weight,grain yield,protein,oil content,lignans,and oleic acid content.Among the treatments,N2Se1 treatment significantly increased soluble sugar,starch content of stems and leaves and dry matter accumulation at maturity,and the valid fruits,seed number,and the 1000-grain weight were significantly higher than those of other treatments,which were 12.35%,3.89%,4.18% significantly higher than those of N2Se0 treatment,respectively.The oleic acid content of seed of N2Se1 was significantly higher than that of other treatments by 2.44%—25.64%,and the seed yield reached 1 700.50 kg/ha.The results showed that the combined application of 150 kg/ha nitrogen fertilizer and 30 g/ha selenium fertilizer could significantly increase the non-structural carbohydrate content and dry matter accumulation of oil flax stems and leaves in the test area,increase seed yield and oleic acid content,and improve quality.

Key words: Oil flax, Nitrogen and selenium fertilizers, Non-structural carbohydrate, Yield, Quality

CLC Number:

S563.2

WANG Ruijun, GAO Yuhong, MA Xingkang, LIU Qinyun, WEN Ming, XUE Wenfang, WANG Haidi, FAN Xin, YAN Bin, WANG Yifan, LI Yali. Effects of Combined Nitrogen and Selenium Fertilizer Application on Non-structural Carbohydrates,Grain Yield and Quality of Oil Flax[J]. Acta Agriculturae Boreali-Sinica, 2025, 40(5): 134-142. doi: 10.7668/hbnxb.20195663.

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References 42

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处理 Treatment		分茎数 Stem number	分枝数 Branch number	有效果数 Valid fruit number	无效果数 Invalid fruit number	果粒数 Seed number	千粒质量/g 1000-seed weight
N0	Se0	1.07±0.11a	6.07±0.41c	8.87±0.80bc	0.73±0.28bc	7.20±0.52b	7.64±0.32a
	Se1	1.20±0.19a	6.66±0.23bc	7.66±0.50c	1.33±0.30abc	8.40±0.87a	6.87±0.25c
	Se2	1.13±0.11a	6.07±0.30c	7.67±1.20c	1.60±0.19ab	7.93±0.64ab	7.55±0.42ab
N1	Se0	1.00±0.00a	6.47±0.83bc	9.73±0.64a	0.80±0.72bc	8.53±0.46a	7.05±0.46bc
	Se1	1.13±0.11a	7.27±0.50ab	9.80±0.39a	1.60±0.91ab	8.73±0.80a	7.48±0.14ab
	Se2	1.27±0.30a	8.13±0.70a	9.13±1.33bc	1.87±0.46a	8.53±0.30a	7.39±0.22ab
N2	Se0	1.33±0.30a	8.10±0.95a	12.46±1.10a	1.53±0.57ab	8.73±0.70a	7.40±0.04ab
	Se1	1.07±0.11a	7.93±0.30a	14.00±1.24a	0.53±0.23c	9.07±0.94a	7.71±0.22a
	Se2	1.20±0.20a	8.13±0.50a	12.93±1.74a	0.93±0.50abc	9.00±0.34a	7.51±0.02ab
N		0.38	21.63^**	52.15^**	1.49	4.14^*	1.92
Se		0.38	2.30	0.70	1.73	0.35	1.97
N×Se		1.50	2.55	1.23	3.35^*	2.39	3.90^*

处理 Treatment		分茎数 Stem number	分枝数 Branch number	有效果数 Valid fruit number	无效果数 Invalid fruit number	果粒数 Seed number	千粒质量/g 1000-seed weight
N0	Se0	1.07±0.11a	6.07±0.41c	8.87±0.80bc	0.73±0.28bc	7.20±0.52b	7.64±0.32a
	Se1	1.20±0.19a	6.66±0.23bc	7.66±0.50c	1.33±0.30abc	8.40±0.87a	6.87±0.25c
	Se2	1.13±0.11a	6.07±0.30c	7.67±1.20c	1.60±0.19ab	7.93±0.64ab	7.55±0.42ab
N1	Se0	1.00±0.00a	6.47±0.83bc	9.73±0.64a	0.80±0.72bc	8.53±0.46a	7.05±0.46bc
	Se1	1.13±0.11a	7.27±0.50ab	9.80±0.39a	1.60±0.91ab	8.73±0.80a	7.48±0.14ab
	Se2	1.27±0.30a	8.13±0.70a	9.13±1.33bc	1.87±0.46a	8.53±0.30a	7.39±0.22ab
N2	Se0	1.33±0.30a	8.10±0.95a	12.46±1.10a	1.53±0.57ab	8.73±0.70a	7.40±0.04ab
	Se1	1.07±0.11a	7.93±0.30a	14.00±1.24a	0.53±0.23c	9.07±0.94a	7.71±0.22a
	Se2	1.20±0.20a	8.13±0.50a	12.93±1.74a	0.93±0.50abc	9.00±0.34a	7.51±0.02ab
N		0.38	21.63^**	52.15^**	1.49	4.14^*	1.92
Se		0.38	2.30	0.70	1.73	0.35	1.97
N×Se		1.50	2.55	1.23	3.35^*	2.39	3.90^*

项目 Item	产量 Yield	分茎数 Stem number	分枝数 Branch number	有效果数 Effective capsule	无效果数 Ineffective capsule	果粒数 Seed number per pod	千粒质量 1000-grain weight
产量Yield	1.00
分茎数Stem number	0.08	1.00
分枝数Branch number	0.65^**	0.32	1.00
有效果数Effective capsule	0.72^**	0.16	0.60^**	1.00
无效果数Ineffective capsule	-0.12	0.29	0.19	-0.32	1.00
果粒数Seed number per pod	0.38^*	-0.24	0.05	0.19	-0.19	1.00
千粒质量1000-grain weight	0.23	0.09	0.08	0.32	-0.21	0.21	1.00

项目 Item	产量 Yield	分茎数 Stem number	分枝数 Branch number	有效果数 Effective capsule	无效果数 Ineffective capsule	果粒数 Seed number per pod	千粒质量 1000-grain weight
产量Yield	1.00
分茎数Stem number	0.08	1.00
分枝数Branch number	0.65^**	0.32	1.00
有效果数Effective capsule	0.72^**	0.16	0.60^**	1.00
无效果数Ineffective capsule	-0.12	0.29	0.19	-0.32	1.00
果粒数Seed number per pod	0.38^*	-0.24	0.05	0.19	-0.19	1.00
千粒质量1000-grain weight	0.23	0.09	0.08	0.32	-0.21	0.21	1.00

处理 Treatments
N0	Se0	21.53±0.94bcd	40.50±0.13bc	9.67±0.59abc
	Se1	20.08±0.47d	41.01±0.34bc	10.46±0.41a
	Se2	20.68±0.71cd	40.97±0.43bc	10.39±0.57a
N1	Se0	21.46±1.60bcd	41.38±0.40ab	9.46±0.88abc
	Se1	22.04±0.85abc	41.52±0.37ab	10.23±0.80a
	Se2	21.88±1.25abc	41.40±0.04ab	9.76±0.23ab
N2	Se0	23.04±1.02ab	41.64±0.56ab	9.10±0.17bc
	Se1	23.47±0.32a	42.10±0.59a	9.16±0.21bc
	Se2	23.15±0.55ab	42.06±0.18a	8.66±0.51c
N		^*	NS	NS
Se		NS	NS	NS
N×Se		NS	NS	NS

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