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Comparative Toxicity of Four Formulations of Commercially Used Control Agents to The Red Flour Beetle, Tribolium Castaneum (Herbst) Under Laboratory Conditions

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Last updated: 01 Jan 2025

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Abstract

Four formulations of commercially used control agents were tested under laboratory conditions on adults of the red flour beetle, Tribolium castaneum. The bioassays were carried out on wheat grains, at 25 ± 1°C and 70 ± 5% RH. Compounds were applied at the dose rates of 250, 500, 750 and 1000mg/L for Fenvalerate, 2500, 5000,10000 and 20000 mg/L for Biofly, 25, 50, 100 and 200 mg/L for Neem and 25, 50, 75 and 100 mg/L for Diazinon. Adult mortality was assessed everyday for 10 days and LC50, LC95, LT50and LT95were calculated. Mortality was 100% on wheat treated with 1000 mg/L of Fenvalerate, and 50, 75 and 100 mg/L of diazinon 10 days after exposure. Diazinon was the most effective against T. castaneum followed by Neem, Fenvalerate and then Biofly, where the recorded LC50values were 46.25, 78.30, 271.12 and 3.05x104mg/L after 4, 8, 7 and 6 days of exposure, respectively. Generally , for all tested compounds, the LT50values decreased as concentrations increased and Diazinon provided the shorter exposure time required for mortality. In conclusion, the biological method would not be as efficient as chemicals. However, the use of an effective plant extracts such as Neem on the stored grains would decrease the frequency with which insecticide was required. Thus, potentially remaining suitable pest control with a reduction in chemical residue. The present results encourage the use of Neem in control of stored product pests such as T. castaneum as alternative for synthetic insecticides or as a part in the integrated pest management programms.

DOI

10.21608/asejaiqjsae.2008.3188

Authors

First Name

Mohammed

Last Name

A. Al-Deghairi

MiddleName

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Affiliation

Plant Production & Protection Dept., College of Agric. & Vet. Medicine, P.O. Box 6622, Qassim University, Buraidah, Al-Qassim, Saudi Arabia

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Volume

29

Article Issue

July-September

Related Issue

557

Issue Date

2008-07-01

Receive Date

2008-07-13

Publish Date

2008-09-30

Page Start

99

Page End

108

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 29_Issue July-September_Pages 99-108.pdf

PDF . 399.1kB

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https://asejaiqjsae.journals.ekb.eg/article_3188.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=3188

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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

Comparative Toxicity of Four Formulations of Commercially Used Control Agents to The Red Flour Beetle, Tribolium Castaneum (Herbst) Under Laboratory Conditions

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Article

Created At

22 Jan 2023