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Persistence Behaviour of Milbemectin in/on Tea Under North-East Indian Climatic Condition

Bulletin of Environmental Contamination and Toxicology volume 88, pages 377–380 (2012)Cite this article

Abstract

A multi-location field trial was conducted under North-East Indian climatic condition viz. Siliguri and Dooars, West Bengal, India during Monsoon 2005 to evaluate the dissipation pattern of Milbemectin formulation (Milbeknock 1% EC) in/on tea field at two application rates (5 and 10 g a.i. ha−1). The quantitative analysis was performed using High Performance Liquid Chromatography (HPLC) with fluorescence detection at 460 nm. Following the first order kinetics the acaricide dissipates with half-life (T1/2) value ranges between 4.93–5.28 days and 6.84–10.76 days in made tea samples of Siliguri and Dooars field, respectively.

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Affiliations

  1. Pesticide Residue Laboratory, Department of Agricultural Chemicals, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal, India

    Suparna Pal, Chiranjit Kundu, Bappaditya Kanrar & Anjan Bhattacharyya

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  1. Suparna Pal
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  2. Chiranjit Kundu
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  3. Bappaditya Kanrar
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  4. Anjan Bhattacharyya
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Correspondence to Anjan Bhattacharyya.

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Pal, S., Kundu, C., Kanrar, B. et al. Persistence Behaviour of Milbemectin in/on Tea Under North-East Indian Climatic Condition. Bull Environ Contam Toxicol 88, 377–380 (2012). https://doi.org/10.1007/s00128-011-0471-0

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  • DOI: https://doi.org/10.1007/s00128-011-0471-0

Keywords

  • Persistence
  • Dissipation
  • Milbemectin
  • Residue