JING Wei-jie,YANG Lu-lu,JIANG Ming-dian.Effects of Different Concentrations of Nitrogen，Phosphorus and Potassium on the Growth of Phalaenopsis Seedlings[J].Northern Horticulture,2012,36(23):62-64.
不同浓度氮、磷、钾对蝴蝶兰幼苗生长的影响
- Title:
- Effects of Different Concentrations of Nitrogen，Phosphorus and Potassium on the Growth of Phalaenopsis Seedlings
- 文章编号:
- 1001-0009（2012）23-0062-03
- Keywords:
- Phalaenopsis; leaf area; growth rate; nitrogen; phosphorus and potassium
- 分类号:
- S 682.31
- 文献标志码:
- A
- 摘要:
- 采用氮、磷、钾3因素4水平全因子试验设计，研究了不同浓度营养液处理对蝴蝶兰幼苗生长的影响。结果表明：氮浓度250 mg/L、磷浓度15 mg/L、钾浓度150 mg/L对蝴蝶兰幼苗生长、叶面积增长较适合。高磷（60 mg/L）降低幼苗叶长、叶宽及叶面积生长速率；高氮（350 mg/L）促使叶细长薄弱，对提高叶面积增长率作用不大；高钾（250 mg/L）有助于幼苗叶面积增长率提高和干物质的积累；幼苗叶面积的增长率与叶宽的增长率呈显著正相关；施肥有助于叶宽增长从而促进蝴蝶兰幼苗的叶面积增长。
- Abstract:
- Using three factors(nitrogen,phosphorus and potassium) four levels experimental design,the three concentrations of nitrogen，phosphorus，potassium nutrition on Phalaenopsisseedlings growth were studied.The results showed that nitrogen concentration of 250 mg/L，the phosphorus concentration of 15 mg/L，potassium concentration of 150 mg/L on the Phalaenopsis seedlings growth and leaf area growth was more suitable.High phosphorus concentration (60 mg/L)，the seedlings growth rate of leaf length，leaf width and leaf area were reduced；High nitrogen concentration (350 mg/L) result in slender weak leaves and lower the seedlings growth rate of leaf length，leaf width and leaf area；High potassium (250 mg/L) contribute to the dry matter accumulation and high area growth rate of seedlings leaf.The growth rate of leaf area and leaf width had a significant positive correlation.Fertilization could contribute to enlarge growth rate of leaf width and to improve the growth rate of leaf area.
参考文献/References:
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备注/Memo
第一作者简介：景维杰（1976-），男，硕士，现主要从事蝴蝶兰组织培养与栽培技术研究工作。E-mail：nxpljwj@hotmail.com.