Effect of Plant Pattern and Density on Yield of Hybrid Millet 'ZZG 19' in Ordos Region

doi:10.11923/j.issn.2095-4050.cjas20191000237

Abstract

Abstract:

To understand the effect of different plant models on the yield of new drought-resistant hybrid millet 'ZZG 19' in Ordos region,3 plant patterns (drought and no plastic film, drought and plastic film, irrigation and no plastic film) and 5 plant densities (45000, 90000, 135000, 225000 and 450000 plants/hm²) were designed to study the stable and high yield ability of the hybrid millet 'ZZG 19'. The results showed that: the yield of 'ZZG 19' was improved with the increase of planting density under normal irrigation condition, and the highest yield was 8724.36 kg/hm² at 450000 plants/hm². Under drought condition, higher yield could be obtained by suitable planting density. When the planting density was 90000-450000 plants/hm², the yield could be above 7700 kg/hm², with the highest of 8654.33 kg/hm², which had no significant difference with the highest yield under normal irrigation. Therefore, the suitable water-saving and high-yield planting mode of 'ZZG 19' in Ordos region is: irrigation of full water once before sowing, plastic film mulching and planting density of 90000-450000 plants/hm², which could obtain high water use efficiency and high yield.

Key words: Hybrid Millet, Plant Density, Drought Stress, Ordos Region, 'ZZG 19'

CLC Number:

S515

Feng Xiaolei, Shi Gaolei, Zhang Xiaolei, Zhao Zhihai, Wang Xiaoming. Effect of Plant Pattern and Density on Yield of Hybrid Millet 'ZZG 19' in Ordos Region[J]. Journal of Agriculture, 2020, 10(5): 26-30.

Figures/Tables 5

References 25

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编号	处理/(万株/hm²)	株行距/cm	小区行数	行留苗数
1	4.5	45×50	5	11
2	9	22.5×50	5	22
3	13.5	15×50	5	33
4	22.5	13.7×40	6	37-38
5	45	6.9×40	6	19

编号	处理/(万株/hm²)	株行距/cm	小区行数	行留苗数
1	4.5	45×50	5	11
2	9	22.5×50	5	22
3	13.5	15×50	5	33
4	22.5	13.7×40	6	37-38
5	45	6.9×40	6	19

月份	平均气温/℃	相对湿度/%	降水量/mm	日照时数/h
4	12.7	26.0	0.0	333.1
5	16.2	36.0	12.0	341.7
6	21.0	47.0	21.4	323.0
7	23.1	61.0	20.6	294.6
8	23.0	60.0	46.0	270.0
9	16.2	58.0	10.2	305.2

月份	平均气温/℃	相对湿度/%	降水量/mm	日照时数/h
4	12.7	26.0	0.0	333.1
5	16.2	36.0	12.0	341.7
6	21.0	47.0	21.4	323.0
7	23.1	61.0	20.6	294.6
8	23.0	60.0	46.0	270.0
9	16.2	58.0	10.2	305.2

水分处理	种植密度/(万株/hm²)	株高/cm	有效穗数	主穗长/cm	主穗粗/mm	单株穗重/g	单株谷重/g	千粒重/g
灌溉无膜	4.5	145.20d	4.40f	29.80 b	33.01a	140.76c	132.71b	3.19b
	9	126.60g	3.60i	28.20d	28.95d	77.61g	65.98i	3.14c
	13.5	151.00b	3.80h	27.20e	29.58d	75.25g	60.69j	3.05fg
	22.5	153.40a	4.20g	25.70f	27.51e	74.57g	63.05i	3.02gh
	45	147.30c	5.00e	23.80g	25.59f	62.27i	55.78k	2.98i
干旱覆膜	4.5	148.80b	7.80a	31.80a	29.68d	209.51a	172.45a	3.10d
	9	151.40b	6.00b	30.10b	31.76b	149.25b	125.94c	3.09d
	13.5	142.40de	5.60c	27.60e	27.98e	100.66e	81.77f	3.14c
	22.5	147.70c	4.80e	27.40e	30.90c	89.53f	75.10g	3.10d
	45	136.60e	3.80h	25.50f	25.06g	67.39h	55.90k	3.03fg
干旱无膜	4.5	138.00e	6.00b	29.00c	29.02d	144.00c	121.60d	3.26a
	9	136.00ef	6.00b	29.10c	32.72a	121.17d	101.99e	3.04fg
	13.5	134.80f	5.40d	27.40e	27.71e	87.20f	70.50h	3.00hi
	22.5	142.40de	4.00gh	27.10e	29.07d	68.92h	57.13k	3.06ef
	45	128.00g	1.00j	24.00g	22.72h	19.95j	15.76l	3.06ef