YANG Guang-sui,LI Chong-hui,WANG Lan-lan,et al.Effect of Different Concentration of Nitrogen on the Seasonal “Green Ear” of Spathes of Anthurium andraeanum[J].Northern Horticulture,2014,38(24):53-56.
施氮浓度对红掌佛焰苞季节性“绿耳”的影响
- Title:
- Effect of Different Concentration of Nitrogen on the Seasonal “Green Ear” of Spathes of Anthurium andraeanum
- 文章编号:
- 1001-0009（2014）24-0053-04
- Keywords:
- Anthurium andraeanum; spathe color; nitrogen concentration; pigment
- 分类号:
- S 682.1+4
- 文献标志码:
- A
- 摘要:
- 针对海南地区遮阳大棚下栽培的红掌季节性佛焰苞耳部变绿（俗称“绿耳”）的现象，以盆花品种‘大哥大’红掌（‘Dakota’）为试材，采用盆栽的方式，研究了灌施不同浓度的氮肥对佛焰苞颜色、色素含量、可溶性糖含量、可溶性蛋白质含量以及矿质元素含量的影响。结果表明：较低氮浓度（0~0.20 g/L）处理可以使“绿耳”发生率降低，佛焰苞耳部和中间部位的红色程度（a*值）和鲜艳程度（C*值）都较大，佛焰苞中总花青素苷含量较高，叶绿素含量较低，可溶性糖含量和可溶性蛋白质含量变化不显著。随着氮处理浓度的增加，佛焰苞中的氮元素含量呈上升趋势，钾元素和磷元素的含量逐渐降低。结合植株的生长状态综合考虑，氮浓度在0.10~0.20 g/L范围内，对季节性“绿耳”的抑制效果较好。
- Abstract:
- As the base of the spathes usually turns green seasonally when the anthurium is cultivated under the shade in Hainan.For inhibiting the appearance the “Green Ear”,the effects of different concentration of nitrogen on the spathe coloration,the contents of pigments,soluble sugar and protein,as well as the mineral element were investigated in the spathes of potted cultivar ‘Dakota’.The results showed that the lower concentration of nigrogen (0-0.20 g/L) was helpful to reduce the incidence rate of “Green Ear”,and increase of a* and C* value of the base and middle part of the spathes.The total anthocyanin content was higher while the chlorophyll content was lower in the spathe when treated with lower concentration of nigrogen.Besides,the nitrogen content elevated while the potassium and phosphorus contents dropped with the increasing of nitrogen concentration treatment.With the growing states into the consideration,it showed that the irrigation concentration of nitrogen could be controlled within 0.10-0.20 g/L,which was benefit for the inhibition of the appearance of “Green Ear” of anthurium spathe in Hainan.
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备注/Memo
第一作者简介：杨光穗（1972-），女，硕士，副研究员，现主要从事热带作物营养生理等研究工作。E-mail：suiguangyang@aliyun.com.