您好，欢迎访问四川省农业科学院 机构知识库！

An algal biostimulant promotes growth and decreases cadmium uptake in accumulator plantNasturtium officinale

文献类型： 外文期刊

作者： Hu, Rongping 1 ; Wang, Hairong 3 ; Liu, Qin 1 ; Lin, Lijin 4 ; Liao, Ming'An 1 ; Deng, Honghong 4 ; Wang, Zhihui 1 ; Lian 1 ;

作者机构： 1.Sichuan Agr Univ, Coll Hort, Chengdu, Sichuan, Peoples R China

2.Sichuan Acad Agr Sci, MOA Key Lab Integrated Management Pests Crops Sou, Inst Plant Protect, Chengdu, Sichuan, Peoples R China

3.Sichuan Univ, West China Sch Med, Chengdu, Sichuan, Peoples R China

4.Sichuan Agr Univ, Inst Pomol & Olericulture, Chengdu, Sichuan, Peoples R China

关键词： Nasturtium officinale; cadmium; growth; physiology; algal biostimulant

期刊名称：INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY （ 影响因子：2.826； 五年影响因子：2.215 ）

ISSN： 0306-7319

年卷期：

页码：

收录情况： SCI

摘要： The aim of this study was to determine the effects of spraying an algal biostimulant at different concentrations (0, 600-, 900-, 1200-, and 1500-fold dilutions) on the growth and cadmium (Cd) accumulation characteristics of accumulator plantNasturtium officinale. In a pot experiment, application of the algal biostimulant at all concentrations promoted the growth ofN. officinaleby increasing the root and shoot biomasses, and the 600-fold dilution of the algal biostimulant had the strongest effect. At all concentrations, the algal biostimulant had no significant effect on the Cd content in roots ofN. officinale, and increased the Cd extraction by roots. However, all concentrations of the algal biostimulant except for the 1500-fold dilution decreased the Cd content in shoots and Cd extraction by shoots. TheN. officinaleplants treated with the 600-fold dilution of the algal biostimulant had the lowest shoot Cd contents and Cd extraction by shoots. The algal biostimulant also increased the contents of photosynthetic pigments (chlorophylla, total chlorophyll, and carotenoids) in leaves ofN. officinaleto varying degrees. Different concentrations of algal biostimulant reduced the superoxide dismutase activity, peroxidase activity, and malondialdehyde content ofN. officinale, but enhanced the catalase activity, soluble protein content, and relative conductivity. Overall, the 600-fold dilution had the strongest effect on the growth and Cd accumulation characteristics ofN. officinale, but did not enhance the phytoremediation ability ofN. officinalefor growth in Cd-contaminated soil. These results show that this algal biostimulant can promote the growth and reduce the Cd uptake ofN. officinale, which is benefit forN. officinalesafety production as a wild vegetable in Cd-contaminated soils.

  • 相关文献
作者其他论文 更多>>
置顶
购物车
反馈

© 京ICP备09089781号-29 主办单位：四川省农业科学院

学术资源： 中国农业科学院 农业专业知识服务系统 农科联盟资源共建共享平台 中国农业科技文献与信息服务平台 中国农业期刊集成服务平台