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

被引：20
|
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：
08 ; 0830 ;
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
收藏
页码：592 / 595
页数：4
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