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108937

Biochemical effects of some insect growth regulators and bioinsecticides against cotton leafworm, Spodoptera littoralis (Boisd.)(Lepidoptera Noctuidae).

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Last updated: 04 Jan 2025

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Abstract

The current work was carried out to evaluate the biochemical effects of LC50 of four compounds; emamectin and spinetoram as bioinsecticides, hexaflumuron and teflubenzuron as Insect growth regulators (IGR's) against the 4th instar larvae of Spodoptera littoralis to determine the effects of these compounds on total carbohydrates, proteins, lipids, acetylcholinesterase, chitinase, phenoloxidase, carbohydrates hydrolyzing enzymes, non-specific esterases, phosphatases and transaminase enzymes.
The obtained results indicated that total proteins and lipids content were significantly decreased with all tested insecticides, except slightly increase in total protein with spinetoram, in contrast, all tested insecticides led to an increase in total carbohydrates. The tested insecticides significantly increased the invertase activity except emamectin decreased the enzyme activity. A significant decrease in the activity of trehalase and amylase activity was induced by the tested insecticides, except with emamectin and teflubenzuron in case of amylase. The tested insecticides significantly decreased the activity of acid (AcP) and alkaline (AlP) phosphates. It is clearly noticed that teflubenzuron and spinetoram significantly increased alpha esterases in contrast, decreased with hexaflumuron and emamectin. A highly significant decreased in beta esterases was induced by teflubenzuron and hexaflumuron and increased with spinetoram and emamectin. All tested insecticides induced a significant inhibitory effect on aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activity except with teflubenzuron.
Acelylcolinesterase (AchE) activity significantly increased with emamectin and teflubenzuron while decreased with hexaflumuron and spinetoram. Phenoloxidase and Chitinase activity significantly increased with all tested insecticides.

DOI

10.21608/jbaar.2016.108937

Keywords

IGRs, acid phosphatase, alkaline phosphatase, aspartate aminotransferase, alanine aminotransferase, Acetylcholinesterase

Authors

First Name

A.A.

Last Name

Assar

MiddleName

-

Affiliation

Zoology.Dep., Faculty of Science, Minoufiya Univ., Shebien El-Kom

Email

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City

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Orcid

-

First Name

M.M.

Last Name

Abo El-Mahasen

MiddleName

-

Affiliation

Zoology.Dep., Faculty of Science, Minoufiya Univ., Shebien El-Kom

Email

-

City

-

Orcid

-

First Name

H.F.

Last Name

Dahi

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Dokki, Egypt

Email

-

City

-

Orcid

-

First Name

H.S.

Last Name

Amin

MiddleName

-

Affiliation

Plant Protection Research Institute, Agricultural Research Center, Dokki, Egypt

Email

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City

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Orcid

-

Volume

2

Article Issue

8

Related Issue

16486

Issue Date

2016-08-01

Receive Date

2016-07-15

Publish Date

2016-08-25

Page Start

587

Page End

594

Print ISSN

2356-9174

Online ISSN

2356-9182

Article File

JBAAR_Volume 2_Issue 8_Pages 587-594.pdf

PDF . 666.2kB

Link

https://jbaar.journals.ekb.eg/article_108937.html

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https://jbaar.journals.ekb.eg/service?article_code=108937

Order

6

Type

Original Article

Type Code

1,272

Publication Type

Journal

Publication Title

Journal of Bioscience and Applied Research

Publication Link

https://jbaar.journals.ekb.eg/

MainTitle

Biochemical effects of some insect growth regulators and bioinsecticides against cotton leafworm, Spodoptera littoralis (Boisd.)(Lepidoptera Noctuidae).

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Type

Article

Created At

22 Jan 2023