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3180

Influence of Certain Insecticide Regimens Against Bollworms in Cotton Fields in Egypt

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Last updated: 22 Jan 2023

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Abstract

Comparative studies were carried out in five regimens to find out the best solution for cotton bollworm problems during cotton seasons of 2006 and 2007. These regimens were (1) of chlorpyrifos, chlorpyrifos, deltamethrin and deltamethrin. (2) of carbosulfan, spinosad, chlorpyrifos and deltamethrin. (3) of carbosulfan, carbosulfan, deltamethrin and deltamethrin. (4) of deltamethrin, chlorpyrifos, deltamethrin and carbosulfan. (5) of spinosad, chlorpyrifos, spinosad and carbosulfan. The sequence No. 5 achieved high efficacy against Pectinophora gossypiella which gave the reduction percentage of 87.6 and 88.1 while, the sequence No. 4 achieved superior efficacy against Earias insulana which gave 89.3 and 92.5 reduction of infestation throughout season 2006 and 2007, respectively. The statistical analysis decleared that regimen 4 and 5 were comparable, meanwhile they were significantly better than regimens 1, 2 and 3. The highest effective regimens 4 and 5 (gave about 87% infestation reduction) were started and mediated with pyrethroid compound (deltamethrin) and bioinsecticide (spinosad), respectively. The repetition of the same insecticide twice in a regimen might increase, decrease or has no effect on the insecticide efficiency against cotton bollworms.

DOI

10.21608/asejaiqjsae.2008.3180

Keywords

Key words:Cotton bollworms, Pectinophora gossypiella, Earias insulana, Pesticide regimens

Authors

First Name

Ahmed

Last Name

F. El-Aswad

MiddleName

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Affiliation

Pesticide Chemistry Dept., Faculty of Agriculture, Alexandria University

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Orcid

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First Name

Hamdy

Last Name

K. Abou-Taleb

MiddleName

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Affiliation

Plant Protection Research Institute, ARC, Bacous, Sabahia, Alexandria, Egypt.

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Volume

29

Article Issue

January-March

Related Issue

555

Issue Date

2008-01-01

Receive Date

2008-03-01

Publish Date

2008-03-30

Page Start

34

Page End

44

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 29_Issue January-March_Pages 34-44.pdf

PDF . 334.7kB

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https://asejaiqjsae.journals.ekb.eg/article_3180.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=3180

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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/

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Article

Created At

22 Jan 2023