DU Zhi-qiang,TIAN Zhong-yan,ZHOU Chang-jun,et al.Effects of Planting Density on Agronomic traits and Yield of Mainly Cultivated SCN Resistant Varieties in Helongjiang Province[J].Soybean Science,2011,30(03):434-437.[doi:10.11861/j.issn.1000-9841.2011.03.0434]
种植密度对黑龙江省主栽抗线大豆品种农艺性状及产量的影响
- Title:
- Effects of Planting Density on Agronomic traits and Yield of Mainly Cultivated SCN Resistant Varieties in Helongjiang Province
- 文章编号:
- 1000-9841（2011）03-0434-04
- Keywords:
- Resistant variety to SCN; Planting density; Agronomic trait; Yield
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 采用裂区设计，以黑龙江省主栽的3个抗线品种（抗线4号、6号和8号）为主区，5个密度（20、23、26、29和32万·hm-2）为副区，对不同密度下各品种单株产量因素和主要农艺性状以及群体产量进行分析比较。结果表明：5个密度水平对产量构成因素中的百粒重和单荚粒数无显著影响；而对单株荚数、单株粒数和单株产量均有显著影响，并且随着密度的增加而降低。抗线4号适宜密度是26万·hm-2，抗线6号适宜密度是23万·hm-2，抗线8号则表现出较强的耐密性。
- Abstract:
- The text of split-plot design, in which three mainly cultivated SCN resistant soybean varieties(Kangxian No.4, No.6, No.8 )in Henglongjiang province were taken as the main plot and 5 planting densities as sub-plot， compared and analyzed the agronomic characteristics and yield in different planting densities. The result indicated that 100-seed weight and seeds per pod were not significantly different with 5 densities; But pods per plant, seeds per plant and seed weight per plant were significantly different with 5 densities and was decreased with the increase of planting density. Suitable density of Kangxian No.4 was about 260,000 plants per ha, Kangxian No.6 was about 230,000 plants per ha, Kangxian No.8 was suitable for high density.
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备注/Memo
基金项目：黑龙江省农业科学院大庆分院预研项目。