Cumulative effect of foliar application of copper oxychloride on Pb content in black tea

茶叶科学 Pub Date : 2015-12-09 DOI:10.5376/JTSR.2015.05.0010

S. Seenivasan, N. Muraleedharan

引用次数: 2

Abstract

Copper oxychloride was found as one of the sources of lead contamination in tea as this fungicide is being widely used in tea fields to control the blister blight disease. In India, there is no specification for this heavy metal in copper oxychloride formulations. Commercial brands of copper oxychloride were collected from market and analyzed for lead (Pb) an element of environmental concern. Results were compared with limits prescribed by Food and Agricultural Organization (FAO) of United Nations with a view that these results could be used for fixing limits of heavy metal impurities in national level for the copper oxychloride formulations. Field trials were initiated using the lead contaminated copper oxychloride and in combination with hexaconazole. The study indicates lead contaminated copper oxychloride is one of the sources for lead contamination in black tea. The accumulation of lead content in tea was positively correlated with the application of contaminated copper oxychloride formulations.

查看原文本刊更多论文

叶面施用氯化氧化铜对红茶Pb含量的累积效应

氯化氧铜是茶叶中铅污染的主要来源之一，该杀菌剂被广泛应用于茶田防治水疱疫病。在印度，氯氧化铜配方中没有这种重金属的规格。从市场上收集了商业品牌的氯化氧铜，并对铅(Pb)进行了环境关注元素分析。并与联合国粮农组织(FAO)规定的重金属杂质限量进行了比较，认为可作为确定氯化氧铜配方重金属杂质国家限量的依据。使用铅污染的氯化氧铜和与六硝唑联合进行了实地试验。研究表明，铅污染的氯化氧铜是红茶中铅污染的来源之一。茶叶中铅含量的积累与污染的氯化氧化铜配方的应用呈正相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

茶叶科学

CiteScore

1.50

自引率

0.00%

发文量

2558

期刊介绍： The Journal of Tea Science was established in August 1964, approved by the Publicity Department, CCCPC. Its title was inscribed by Zhu De, the chairman of CCCPC. It was discontinued during the Cultural Revolution in 1966, and it was reissued in August 1984, approved by the State Scientific and Technological Commission.Academicians Chen Zongmao and Liu Zhonghuaof the Chinese Academy of Engineering served as the directors of the editorial board. The Journal of Tea Science is managed by the China Association for Science and Technology,sponsored by the China Tea Science Society and the Tea Research Institute of the Chinese Academy of Agricultural Sciences, and edited and published by the editorial office of the Journal of Tea Science. It is the only one of Chinese core journals in the field of tea science that is included in the core library of the Chinese Science Citation Database.Its Domestic Unified Serial Number is CN 33-1115/S, its International Standard Serial Number is ISSN 1000-369X and its International publication name code is CODEN-CHKEF4. At present, the Journal of Tea Science is a bimonthly publication, published in the middle of the month, with a book size of 16.