Effect of Furrowing Methods of Rapeseed for Three-cropping System on Growth and Yield of Rapeseed

doi:10.11923/j.issn.2095-4050.cjas2024-0194

Abstract

Abstract:

Under the three-cropping system of early-maturing rapeseed-early rice-late rice, the suitable furrowing method of rapeseed was studied in order to provide a theoretical reference for the cultivation of rapeseed in the three-cropping system. The experimental design included different rape varieties of ‘Ganyouza 906’(V₁) and ‘Zhongyou 988’ (V₂). Different ditching methods, including non-ditching treatment (T₁), artificial ditching treatment (T₂), and mechanical ditching and soil covering treatment (T₃), were used to study the effects on rape population density, dry matter accumulation, pre-winter traits, stress resistance, agronomic traits at maturity, yield and economic benefits. The results showed that the seedling density of T₃ was significantly lower than those of T₂ and T₁. Compared with T₁ treatment, T₃ and T₂ significantly increased the dry matter accumulation of rapeseed at seedling stage. Different varieties showed no significant difference in total leaf number, maximum leaf width and rhizome diameter, but the maximum leaf length showed significant difference between two varieties. There was no significant difference in the total number of leaves among different furrowing methods, but the maximum leaf length, maximum leaf width and rhizome diameter showed significant differences among three furrowing methods. Ditching significantly improved the stress resistance of rapeseed compared with non-ditching. Plant height, effective silique number of main inflorescence and seed number per silique of T₃ and T₂ showed significant difference with T₁. The number of first effective branches, the total length of main sequence and the number of effective pods of branches showed significant differences under the three ditching methods. The yield of V₂T₃ treatment was increased by 0.43%, 22.17%, 16.19%, 18.36% and 43.21% than that of V₂T₂, V₂T₁, V₁T₃, V₁T₂ and V₁T₁, respectively. The ratio of output to input was also the highest in V₂T₃ treatment, which was improved by 10.30%, 15.92%, 30.00%, 29.08% and 52.94% than that of V₂T₁, V₁T₃, V₂T₂, V₁T₁ and V₁T₂. Under the three-cropping system of early-maturing rape-early rice-late rice, the suitable ditching method for rice-planting rape is mechanical ditching and soil covering for ‘Ganyouza 906’ and ‘Zhongyou 988’.

Key words: three-cropping pattern, intercropping of crops, furrowing method, growth and development, yield, drone seeding, Jiangxi

LIU Kaiji, WANG Ruiping, LIU Jianping, LI Yazhen, XIONG Wen, HAN Depeng, CHENG Yewei, ZHENG Wei, XIAO Guobin. Effect of Furrowing Methods of Rapeseed for Three-cropping System on Growth and Yield of Rapeseed[J]. Journal of Agriculture, 2026, 16(2): 9-15.

Figures/Tables 7

References 25

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品种	播种方式	总叶数/（片/株）	最大叶长/cm	最大叶宽/cm	根茎粗/cm
V₁	T₁	5.20 a	10.67 b	7.00 c	1.42 a
	T₂	5.20 a	13.00 ab	7.90 bc	1.62 a
	T₃	5.90 a	13.92 a	8.00 abc	1.66 a
V₂	T₁	5.50 a	13.75 a	7.53 bc	1.46 a
	T₂	5.60 a	14.67 a	8.50 ab	1.68 a
	T₃	5.60 a	14.87 a	9.37 a	1.74 a
品种	V₁	a	b	a	a
品种	V₂	a	a	a	a
播种方式	T₁	a	b	b	b
	T₂	a	ab	ab	ab
	T₃	a	a	a	a

品种	播种方式	总叶数/（片/株）	最大叶长/cm	最大叶宽/cm	根茎粗/cm
V₁	T₁	5.20 a	10.67 b	7.00 c	1.42 a
	T₂	5.20 a	13.00 ab	7.90 bc	1.62 a
	T₃	5.90 a	13.92 a	8.00 abc	1.66 a
V₂	T₁	5.50 a	13.75 a	7.53 bc	1.46 a
	T₂	5.60 a	14.67 a	8.50 ab	1.68 a
	T₃	5.60 a	14.87 a	9.37 a	1.74 a
品种	V₁	a	b	a	a
品种	V₂	a	a	a	a
播种方式	T₁	a	b	b	b
	T₂	a	ab	ab	ab
	T₃	a	a	a	a

品种	播种方式	群体菌核病发病率	角果黑斑病发病率	抗倒性（直、斜、倒）
V₁	T₁	20.63	10.34	倒
	T₂	17.33	9.35	斜
	T₃	15.29	7.23	斜
V₂	T₁	23.49	13.56	斜
	T₂	19.84	11.34	斜
	T₃	17.42	8.21	斜

品种	播种方式	群体菌核病发病率	角果黑斑病发病率	抗倒性（直、斜、倒）
V₁	T₁	20.63	10.34	倒
	T₂	17.33	9.35	斜
	T₃	15.29	7.23	斜
V₂	T₁	23.49	13.56	斜
	T₂	19.84	11.34	斜
	T₃	17.42	8.21	斜

品种	播种方式	株高/ cm	有效分枝部位/cm	第一次有效分枝数/（个/株）	主序总长/ cm	主花序有效角果数/（个/株）	分枝有效角果数/个	每角粒数/个	千粒重/g
V₁	T₁	110.47 d	48.67 d	4.62 d	31.25 c	16.52 b	40.40 e	14.68 d	1.70 b
	T₂	136.51 b	50.80 cd	5.54 b	34.56 bc	18.19 b	47.51 d	15.94 c	1.88 a
	T₃	135.49 b	51.67 c	5.69 a	35.92 b	18.31 b	50.53 c	15.72 c	1.86 a
V₂	T₁	122.43 c	60.41 a	5.02 c	32.28 bc	18.59 b	42.64 e	17.20 b	1.85 a
	T₂	147.18 a	56.57 b	5.53 b	42.96 a	23.82 a	55.47 b	17.62 a	1.88 a
	T₃	148.73 a	56.89 b	5.72 a	43.95 a	23.38 a	58.10 a	17.87 a	1.83 ab
品种	V₁	b	b	b	b	b	b	b	a
品种	V₂	a	a	a	a	a	a	a	a
播种方式	T₁	b	a	c	c	b	c	b	a
	T₂	a	b	b	b	a	b	a	a
	T₃	a	a	a	a	a	a	a	a