Dissipation Study of Thiophanate Methyl Residue in/on Grapes (Vitis vinifera L.) in India

被引：25

作者：

Mandal, Sudeb ^{[2
]}

Das, Saktipada ^{[2
]}

Bhattacharyya, Anjan ^{[1
]}

机构：

[1] Bidhan Chandra Krishi Viswavidyalaya, Dept Agr Chem, Mohanpur 741252, W Bengal, India

[2] Univ Kalyani, Dept Chem, Kalyani 741235, W Bengal, India

来源：

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2010年 / 84卷 / 05期

关键词：

Thiophanate methyl residue; Dissipation; Grapes; UV/VIS Spectrophotometer; FUNGICIDE;

D O I：

10.1007/s00128-010-9985-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

083001 [环境科学];

摘要：

A multi-location field trial was conducted in India during 2006-2008 to evaluate the dissipation pattern of thiophanate methyl (75% WP) in/on grapes at two application rates (500 and 1,000 g a.i. ha(-1)). The quantitative analysis of the fungicide residues as carbendazim was performed using a UV/VIS spectrophotometer at the maximum absorption band of 281 nm. The average recovery was found 87% and the relative standard deviations (RSD) were below 3.8%. Following the first order kinetics the fungicide dissipates in grapes with a half-life (t (A1/2)) value of 4.74-6.52 days irrespective of locations and doses.

引用

页码：592 / 595

页数：4

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