LIU Bing,REN Cuimei,YANG Li,et al.Effects of Density Pressure on Physiological and Ecological Indexes of Artichoke[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(12):68-71.[doi:10.11942/j.issn10022767.2016.12.0068]
密度压力对菊芋生理生态指标的影响
- Title:
- Effects of Density Pressure on Physiological and Ecological Indexes of Artichoke
- 文章编号:
- 10022767（2016）12006804
- Keywords:
- density pressure; morphological index; chlorophyll content; plant height; yield
- 分类号:
- S632.9
- 文献标志码:
- A
- 摘要:
- 目前菊芋栽培种植较为盲目，优良品种较少，与之配套的栽培技术更加匮乏，为了构建合理的菊芋田间群体结构，针对2份优良菊芋品种在不同密度压力下产量和生理指标的变化趋势进行研究。结果表明：密度压力对于菊芋主要形态指标影响不大。随着种植密度的升高，株高呈现上升的趋势，叶绿素含量变化趋势不明显，产量呈现先升高后降低的趋势，不同品种间适宜种植密度不同，株距40 cm为庆芋1号品种的适宜种植密度，在此密度下植株株高适中，光合能力较强，产量最高，株距30 cm为庆芋2号品种的适宜种植密度，在此密度下光合能力较强，产量最高。
- Abstract:
- At present,the cultivation of Jerusalem artichoke is blind with less varieties and the lack of cultivation techniques，in order to build the reasonable cultivation structure of Jerusalem artichoke,the yield,physiological and ecological indexes of two fine artichoke varieties were studied under different density pressure.The results showed that main morphological indexes of artichoke were little impacted by density pressure.Plant height presented a trend of rising,chlorophyll content presented a trend of decline,and yield increased firstly and then decreased with the increase of planting density.Suitable planting density differed between two artichoke varieties.Planting distance of 40 cm would be suitable for Qingyu 1 ,which could obtained stronger photosynthetic ability and higher yield.But,planting distance of 30 cm would be suitable for Qingyu 2 .
参考文献/References:
[1]
刘祖昕
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备注/Memo
收稿日期：20141018