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107139

Follow Up Effectiveness for A Field Application of a Chlorfluazuron Compound (Topron) On Long-Term on Earias insulana (Boisd.) Through the Histological Examination of The Integume

Article

Last updated: 01 Jan 2025

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Abstract

Under a single field application, the long-term effect of a chitin synthesis inhibitor, Chlorfluazuron (Topron 5% EC) on spiny bollworm, Earias insulana (Boisd.) was evaluated through histological investigation on the integument as it an essential background to the action of that insecticide. After two weeks off use, samples of large-sized larvae (12 - 15 days age-old approximately) under the effect of the procedure were to represent the criterion of the long-term for the tested compound. The microscopic examination of the treated sections showed distinct changes in the tissue components of integument compared to the untreated specimens. The treated sections showed an increase in the thickness of the epidermis layer with noting that there is no new layer of cuticle or show any other signs of further development. Various specimens of the treated larval sections revealed the presence of an individual layer of cuticle, which looked thick, and the spines were rough, extra-long, and tanned. Also, in many sections, the cuticle had been seen shrinkage from the epidermis. The current study confirms and suggests that the long-term impact must be considered for such compounds when evaluated under field conditions.

DOI

10.21608/eajbsf.2020.107139

Keywords

Spiny Bollworm. chitin synthesis inhibitors, integument, histo- microscopic examination

Authors

First Name

Ayman,

Last Name

Adly

MiddleName

M.

Affiliation

Plant Protection Research Institute, Dokki, Giza, Egypt

Email

ayman.m.adly@outlook.com

City

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Orcid

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Volume

12

Article Issue

2

Related Issue

16037

Issue Date

2020-12-01

Receive Date

2020-06-02

Publish Date

2020-12-01

Page Start

9

Page End

17

Print ISSN

2090-0864

Online ISSN

2090-0791

Article File

EAJBSF_Volume 12_Issue 2_Pages 9-17.pdf

PDF . 541.4kB

Link

https://eajbsf.journals.ekb.eg/article_107139.html

Detail API

https://eajbsf.journals.ekb.eg/service?article_code=107139

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2

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Original Article

Type Code

6

Publication Type

Journal

Publication Title

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control

Publication Link

https://eajbsf.journals.ekb.eg/

MainTitle

Follow Up Effectiveness for A Field Application of a Chlorfluazuron Compound (Topron) On Long-Term on Earias insulana (Boisd.) Through the Histological Examination of The Integument

Details

Type

Article

Created At

22 Jan 2023