XU Lu,LI Xin-xu,GAO Li-hong,et al.Study on the Optimum Planting Density of Rockwool-Tomato in Multi-span Greenhouse in Beijing[J].Northern Horticulture,2015,39(04):53-58.[doi:10.11937/bfyy.201504012]
北京地区连栋温室番茄岩棉栽培适宜密度的研究
- Title:
- Study on the Optimum Planting Density of Rockwool-Tomato in Multi-span Greenhouse in Beijing
- Keywords:
- multi-span greenhouse; rockwool culture; tomato; planting density; yield
- 文献标志码:
- A
- 摘要:
- 以北京地区连栋温室长季节岩棉栽培番茄为试材，研究了不同密度对番茄冠层光照分布、番茄生长发育、营养液吸收利用的影响。结果表明：番茄冠层内光合有效辐射值随栽培密度增加而显著降低，其中晴天条件下4.2株/m2植株中部光合有效辐射值约为360 μmol?m-2?s-1，比对照2.8株/m2降低22.4%。随着栽培密度增加，番茄营养生长减弱，植株发病率增加，且坐果数减少，单果重降低，增加栽培密度的增产效果不显著。经综合比较，推荐2.8株/m2为北京地区连栋温室番茄岩棉栽培的适宜栽培密度。
- Abstract:
- Using rockwool-tomato as test materials under multi-span greenhouse in Beijing，the effects of different densities of rockwool-tomato on canopy light distribution，tomato growth and nutrition absorption were studied.The results showed that the PAR within the canopy decreased significantly with the increase of planting density，the tomato PAR on the middle position of 4.2 plant/m2 treatment was 360 μmol?m-2?s-1 on sunny day，22.4% lower than the control 2.8 plant/m2.Secondly with the increasing of planting density，tomato showed a reduction in vegetative growth.The growth of plant decreased,disease rate increased,setting fruit rate,single fruit weight decresed,increase yield was not significant with the increasing of planting density.Through comprehensive analysis，recommended 2.8 plant/m2 was the suitable planting density for rockwool-toamto in a multi-span greenhouse in Beijing.
参考文献/References:
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备注/Memo
第一作者简介：许路（1989-），男，硕士研究生，研究方向为设施园艺。E-mail：vejiit569@sina.com.责任作者：陈青云（1958-），男，教授，博士生导师，研究方向为设施园艺工程。E-mail：caucqy@163.com.基金项目：现代农业产业技术体系北京果类蔬菜创新团队资助项目（GCTDZJ2014033007）。