ZHANG Xiaohong,YANG Yanjie.Effect of Different Concentration Seaweed Rooting Agent on Plant Growth and Root Morphology of Cucumber Plug-seedlings[J].Northern Horticulture,2015,39(17):11-14.[doi:10.11937/bfyy.201517004]
不同浓度海藻生根剂对黄瓜幼苗生长及根系形态的影响
- Title:
- Effect of Different Concentration Seaweed Rooting Agent on Plant Growth and Root Morphology of Cucumber Plug-seedlings
- 文献标志码:
- A
- 摘要:
- 以黄瓜品种‘鲁黄瓜3号’为试验材料，在穴盘育苗条件下，研究了灌根施用600、300、100倍液海藻生根剂对黄瓜幼苗生长的影响，以筛选黄瓜壮苗培养的最适施用浓度。结果表明：随着海藻生根剂稀释倍数的降低，根系生长旺盛。在施用300倍液时，幼苗壮苗指数达到峰值。继续降低稀释倍数，幼苗根系生长量和根尖数目增加则受抑制，壮苗指数显著下降。300倍液处理的幼苗根系吸收面积、根尖数显著高于清水对照，分别高出36.58%、133.39%，幼苗株高、茎粗及叶面积均增大，叶片叶绿素含量显著高于对照。灌根施用300倍液海藻生根剂，可同时促进黄瓜幼苗地上和根系的生长，是培育黄瓜穴盘壮苗的最佳浓度。
- Abstract:
- Taking cucumber ‘Lu cucumber No.3’ as material，which was poured root seaweed rooting agent fertilizer with different concentration (100，300，600 times) with water as control.The growth of plug-seedlings were measured in order to screen the most suitable concentration.The results showed that root grew stronger with the decrease of the seaweed rooting agent fertilizer dilution ratio.The peak appeared at 300 times treatment.Continued to reduce the dilution ratio，the increase of root growth and the root tip number were restrained，and SSI dropped significantly.The seedlings root absorption area and new roots number of 300 times treatment were above 36.58% and 133.39% respectively，compared with the control.Seedlings leaf chlorophyll content was significantly higher than the control.The treatment of pouring root seaweed rooting agent fertilizer promoted the plant height，stem diameter and leaf area.So，pouring root seaweed rooting agent fertilizer 300 times promoted seedling growth，and improved the quality of cucumber plug-seedlings.
参考文献/References:
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备注/Memo
第一作者简介：张晓虹（1988-），女，硕士研究生，研究方向为设施蔬菜栽培生理。E-mail：zhangxiaohong868@126.com.责任作者：杨延杰（1972-），男，博士，副教授，研究方向为蔬菜栽培生理与设施园艺。E-mail：yangyanjie72@163.com.基金项目：山东省蔬菜创新团队资助项目（SDAIT-02-022-06）；青岛市民生计划资助项目（13-1-3-97-nsh）。