添加物及植物组合对瞿麦幼苗铅吸收、生长及品质的影响

doi:10.13287/j.1001-9332.201704.008

应用生态学报 ›› 2017, Vol. 28 ›› Issue (4): 1155-1160.doi: 10.13287/j.1001-9332.201704.008

添加物及植物组合对瞿麦幼苗铅吸收、生长及品质的影响

杨晓宇¹, 李程², 马思跃¹, 李建恒^1*

¹河北大学药学院, 河北保定 071000
²爱荷华大学, 美国爱荷华州爱荷华城 52241

收稿日期:2016-06-28 出版日期:2017-04-18 发布日期:2017-04-18
通讯作者: * E-mail: lijianheng@hbu.cn
作者简介:杨晓宇,女,1992年生,硕士研究生.主要从事中药药理学研究.E-mail:792033491@qq.com
基金资助:
本文由河北大学自然科学研究计划项目(3333112)资助

Effects of the additives and the combination of plants on Pb absorption, growth and quality of Dianthus superbus

YANG Xiao-yu¹, LI Cheng², MA Si-yue¹, LI Jian-heng^1*

¹College of Pharmaceutical Sciences, Hebei University, Baoding 071000, Hebei, China
²University of Iowa, Iowa City 52241, Iowa USA

Received:2016-06-28 Online:2017-04-18 Published:2017-04-18
Contact: * E-mail: lijianheng@hbu.cn
Supported by:
This work was supported by the Natural Science Foundation of Hebei University (3333112)

摘要/Abstract

摘要： 通过盆栽试验研究了接种丛枝菌根真菌(AM真菌)、种植共生植物(三叶草)、添加重金属螯合物EDTA和磷肥磷酸钙对铅污染下瞿麦生长和品质的影响,为科学种植中药材提供理论依据.结果表明: 接种AM真菌可以显著抑制铅的吸收(P＜0.05),促进根部发育,使根冠比增大,且活性成分累积最多,大黄素含量为6.5 mg·g^-1;与三叶草共生后,抑制铅吸收的效果不佳且药材品质下降,大黄素含量低于对照组,降至3.2 mg·g^-1.但在AM真菌共同参与后瞿麦的生长量和活性成分有所增加,铅含量达到最低,低至1.3 mg·g^-1;添加重金属螯合剂会使瞿麦生长量下降并促进根部对铅的吸收,铅含量最高可达340.0 mg·g^-1;磷酸钙可固定土壤中其他重金属元素,故更适宜在复合型污染时使用.综合考虑,在保护中药材安全、品质方面AM真菌具有良好的应用价值.

Abstract: A pot experiment was conducted to study the effects of inoculation with arbuscular mycorrhizal (AM) fungi, neighboring plants (Trifolium repens), addition of EDTA and phosphate fertilizer on the performance of Dianthus superbus grown on Pb contaminated soil. The growth and quality of D. superbus were investigated to provide a theoretical basis for the scientific cultivation of Chinese herbal medicine. The results showed that the D. superbus with AM resulted in a significant inhibition of Pb uptake (P＜0.05), increase of root development and root/shoot ratio compared to untreated control plants, and with the highest content of active component. The content of emodin reached 6.5 mg·g^-1. When planting with T. repens the reducing effect of Pb absorption induced by AM fungi was insignificant. The quality of D. superbus decreased, and the emodin content decreased to 3.2 mg·g^-1, which was lower than that in the control group. However, D. superbus showed improved growth and active ingredients, and the lowest Pb content (1.3 mg·g^-1) due to AM fungal inoculation. The addition of EDTA decreased the growth of D. superbus, but promoted the absorption of Pb, with the Pb content to 340.0 mg·g^-1. Calcium phosphate showed the ability to immobilize other heavy metals in the soil, therefore might be more suitable to be applied in the conditions of compound pollution. Considering all of the results, AM fungi play a positive role in protecting the safety and quality of Chinese herbal medicine.

杨晓宇, 李程, 马思跃, 李建恒. 添加物及植物组合对瞿麦幼苗铅吸收、生长及品质的影响[J]. 应用生态学报, 2017, 28(4): 1155-1160.

YANG Xiao-yu, LI Cheng, MA Si-yue, LI Jian-heng. Effects of the additives and the combination of plants on Pb absorption, growth and quality of Dianthus superbus[J]. Chinese Journal of Applied Ecology, 2017, 28(4): 1155-1160.

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添加物及植物组合对瞿麦幼苗铅吸收、生长及品质的影响

Effects of the additives and the combination of plants on Pb absorption, growth and quality of Dianthus superbus

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