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Residue Analysis of Difenoconazole, Emamectin Benzoate and Fenazaquin on Tomatoes Using High Pressure Liquid Chromatography

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Last updated: 01 Jan 2025

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Abstract

A supervised trial was conducted on tomato fruits to study the dissipation rates of three pesticides, difenoconazole (Score 25%EC), emamectin benzoate (Proclaim 5% SG) and fenazaquin (Pride 200, 20% SC) at Shanessa Village, Dhakahlia Governorate, Egypt. The tested pesticides were sprayed at recommended doses of 50 ml, 60 g and 300 ml in 100 liters water, for difenoconazole, emamectin benzoate and fenazaquin respectively on the tomato plants after three months of cultivation. The treated tomato fruits were randomly sampled in triplicates (100g per field replicate) after 1 hr, 1, 3, 6, 10, and 15 days period after pesticide application. Samples were extracted, cleaned up and then analyzed using HPLC method. The half-life values were calculated to be 3.16, 0.6 and 2.4 days for difenoconazole, emamectin benzoate and fenazaquin, respectively. The pre-harvest intervals (PHI) were determined to be 8, 3 and 1 days for tomatoes treated with difenoconazole, emamectin benzoate and fenazaquin under prevailed local field conditions, respectively. 

DOI

10.21608/asejaiqjsae.2009.2354

Authors

First Name

Islam

Last Name

N. Nasr

MiddleName

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Affiliation

Central Pesticide Lab. Agricultural Research Center, Giza

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City

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Orcid

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First Name

Manal

Last Name

R. Montasser

MiddleName

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Affiliation

Central Pesticide Lab. Agricultural Research Center, Alexandria

Email

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City

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Orcid

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First Name

Mohamed

Last Name

F. Macklad

MiddleName

-

Affiliation

Central Pesticide Lab. Agricultural Research Center, Giza

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Volume

30

Article Issue

JANUARY- MARCH

Related Issue

465

Issue Date

2009-03-01

Receive Date

2009-02-10

Publish Date

2009-03-30

Page Start

22

Page End

29

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 30_Issue JANUARY- MARCH_Pages 22-29.pdf

PDF . 246.8kB

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https://asejaiqjsae.journals.ekb.eg/article_2354.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=2354

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Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Residue Analysis of Difenoconazole, Emamectin Benzoate and Fenazaquin on Tomatoes Using High Pressure Liquid Chromatography

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Article

Created At

22 Jan 2023