Photosynthetic Material Production, Accumulation and Transport Characteristics of Different Photosynthetic Efficiency Wheat Population in Rice-Wheat Rotation

doi:10.11924/j.issn.1000-6850.casb20200100062

Abstract

Abstract:

To construct high photosynthetic efficiency wheat population after rice in central Jiangsu, a field experiment was carried out taking wheat variety ‘Yangmai23’ as material to investigate photosynthetic material production, accumulation and transport characteristics of different photosynthetic efficiency wheat populations with cluster analysis. The results showed that: the yield, harvest index, photosynthetic potential, dry matter accumulation after anthesis and high efficiency leaf area ratio at flowering stage had significant differences among different wheat populations. Compared with the low and medium photosynthetic efficiency population, high photosynthetic efficiency population had higher yield and photosynthetic potential, and high efficiency leaf area ratio at flowering stage and dry matter accumulation. The harvest index of the medium photosynthetic efficiency population was significantly lower than that of the high and the low photosynthetic efficiency population. For yield components, wheat population with high photosynthetic efficiency had higher panicle number and thousand grain weight, meanwhile, the photosynthetic characteristics of high photosynthetic efficiency population and its flag leaves had good performance at flowering stage. After sowing and in rainy winter, the suitable combinations of Yangmai23 to construct high photosynthetic efficiency wheat population after rice in central Jiangsu were 225×10⁴ plants/hm², 270 kg N/hm², the proportion of 7:1:2:0 (basal: tillering: jointing: booting fertilizer) and 300×10⁴ plants/hm², 330 kg N/hm², the proportion of 5:1:2:2. The yield of these two combinations could reach 8400 kg/hm².

Key words: wheat in rice-wheat rotation, high photosynthetic efficiency population, density, nitrogen fertilizer, utilization of light energy

CLC Number:

S512.1

Wang Yan, Xu Jun, You Rui, Zhu Min, Zhu Xinkai, Guo Wenshan. Photosynthetic Material Production, Accumulation and Transport Characteristics of Different Photosynthetic Efficiency Wheat Population in Rice-Wheat Rotation[J]. Chinese Agricultural Science Bulletin, 2020, 36(17): 7-15.

Figures/Tables 12

References 29

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编号	密度/（×10⁴株/hm²）	施氮量/(kg/hm²)	氮肥运筹	处理代号
1	150	210	5:1:2:2	D1N1M1
2		270		D1N2M1
3		330		D1N3M1
4		210	7:1:2:0	D1N1M2
5		270		D1N2M2
6		330		D1N3M2
7	225	210	5:1:2:2	D2N1M1
8		270		D2N2M1
9		330		D2N3M1
10		210	7:1:2:0	D2N1M2
11		270		D2N2M2
12		330		D2N3M2
13	300	210	5:1:2:2	D3N1M1
14		270		D3N2M1
15		330		D3N3M1
16		210	7:1:2:0	D3N1M2
17		270		D3N2M2
18		330		D3N3M2

编号	密度/（×10⁴株/hm²）	施氮量/(kg/hm²)	氮肥运筹	处理代号
1	150	210	5:1:2:2	D1N1M1
2		270		D1N2M1
3		330		D1N3M1
4		210	7:1:2:0	D1N1M2
5		270		D1N2M2
6		330		D1N3M2
7	225	210	5:1:2:2	D2N1M1
8		270		D2N2M1
9		330		D2N3M1
10		210	7:1:2:0	D2N1M2
11		270		D2N2M2
12		330		D2N3M2
13	300	210	5:1:2:2	D3N1M1
14		270		D3N2M1
15		330		D3N3M1
16		210	7:1:2:0	D3N1M2
17		270		D3N2M2
18		330		D3N3M2

处理	经济产量/(kg/hm²)	收获指数/%	光合势/(×10⁴ m²·d/hm²)	花后干物质积累量/(kg/hm²)	开花期高效叶面积率/%
D1N1M1	6031.87 k	50.84 a	239.34 p	5141.90 hi	79.54 fg
D1N2M1	6325.19 i	46.44 cd	257.49 o	5663.50 fg	81.72 ef
D1N3M1	7157.13 ef	46.14 d	270.99 m	6289.31 cd	84.65 cd
D1N1M2	5999.46 k	47.69 bc	264.41 n	4665.07 j	76.10 hi
D1N2M2	6101.09 jk	45.64 d	286.89 k	4909.35 ij	75.64 ij
D1N3M2	6250.47 ik	45.52 d	299.59 j	5139.99 hi	76.29 hi
D2N1M1	7641.59 bc	48.23 b	282.86 l	6550.39 bc	86.11 bc
D2N2M1	6910.81 g	43.59 e	327.45 g	6021.95 def	73.42 jk
D2N3M1	6694.68 h	42.57 efg	322.81 h	5960.48 def	74.29 ijk
D2N1M2	6330.16 i	43.42 ef	311.83 i	5390.39 gh	80.59 f
D2N2M2	8436.69 a	48.51 b	385.19 d	7289.6 a	88.19 ab
D2N3M2	8406.11 a	48.13 b	385.76 d	7183.17 a	86.85 abc
D3N1M1	7850.16 b	46.36 cd	398.17 b	6789.82 b	83.44 de
D3N2M1	8341.19 a	47.76 bc	383.58 e	7249.21 a	88.12 ab
D3N3M1	8547.96 a	48.82 b	383.71 e	7448.37 a	88.51 a
D3N1M2	7472.11 cd	42.07 fg	381.22 f	6251.50 cd	78.22 gh
D3N2M2	7333.34 de	41.19 g	399.66 a	6138.83 de	72.06 k
D3N3M2	6974.50 fg	41.98 g	387.12 c	5791.05 ef	73.16 k
F值	144.80^**	32.42^**	21134.06^**	46.07^**	52.34^**

处理	经济产量/(kg/hm²)	收获指数/%	光合势/(×10⁴ m²·d/hm²)	花后干物质积累量/(kg/hm²)	开花期高效叶面积率/%
D1N1M1	6031.87 k	50.84 a	239.34 p	5141.90 hi	79.54 fg
D1N2M1	6325.19 i	46.44 cd	257.49 o	5663.50 fg	81.72 ef
D1N3M1	7157.13 ef	46.14 d	270.99 m	6289.31 cd	84.65 cd
D1N1M2	5999.46 k	47.69 bc	264.41 n	4665.07 j	76.10 hi
D1N2M2	6101.09 jk	45.64 d	286.89 k	4909.35 ij	75.64 ij
D1N3M2	6250.47 ik	45.52 d	299.59 j	5139.99 hi	76.29 hi
D2N1M1	7641.59 bc	48.23 b	282.86 l	6550.39 bc	86.11 bc
D2N2M1	6910.81 g	43.59 e	327.45 g	6021.95 def	73.42 jk
D2N3M1	6694.68 h	42.57 efg	322.81 h	5960.48 def	74.29 ijk
D2N1M2	6330.16 i	43.42 ef	311.83 i	5390.39 gh	80.59 f
D2N2M2	8436.69 a	48.51 b	385.19 d	7289.6 a	88.19 ab
D2N3M2	8406.11 a	48.13 b	385.76 d	7183.17 a	86.85 abc
D3N1M1	7850.16 b	46.36 cd	398.17 b	6789.82 b	83.44 de
D3N2M1	8341.19 a	47.76 bc	383.58 e	7249.21 a	88.12 ab
D3N3M1	8547.96 a	48.82 b	383.71 e	7448.37 a	88.51 a
D3N1M2	7472.11 cd	42.07 fg	381.22 f	6251.50 cd	78.22 gh
D3N2M2	7333.34 de	41.19 g	399.66 a	6138.83 de	72.06 k
D3N3M2	6974.50 fg	41.98 g	387.12 c	5791.05 ef	73.16 k
F值	144.80^**	32.42^**	21134.06^**	46.07^**	52.34^**

因子	光合势	花后干物质积累量	开花期高效叶面积率	收获指数
产量	0.760^**	0.979^**	0.692^**	0.217
开花期高效叶面积率	0.159	0.719^**	1	0.705^**