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331947

EFFECT OF MAGNETIC FIELD ON METABOLISM AND ENZYME ACTIVITY IN SOME HARMFUL INSECTS

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Last updated: 26 Dec 2024

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Abstract

To investigate the effect of magnetic field on the physiological aspects of some insects, larvae of three insects were reared in laboratory under 22 ±2°C and 60 ±5% RH in a suitable rearing boxes. The three insects were: cotton leaf warm, Spodoptera littoralis, red palm weevil, Rhynchophorus ferrugineus and the greater wax moth, Galleria mellonella.Rearing insects started with a suitable larval instar. Numbers of larvae (form each insect) divided into 2 similar and equal groups, the first reared as a control (without magnetic field), while the second group was exposed to the magnetic field, (MF) along rearing periods. An appropriate numbers of larvae from the control and the treated ones were taken for Bio-chemical analysis and the main parameters were recorded.The measured physiological parameters were: total protein, total carbohydrates, total lipids, invertase enzyme and alkaline phosphatase.Magnetic flux in around the center of the rearing plastic containers for the three insects were prepared and adjusted with similar magnates. Strength of the magnetic flux was measured using millitesta apparatus. It was recorded an average of 0.218, 2.487 and 8.629 ml.t. for the 3 insects respectively.   Results showed that each of body weight and growth rate as well as the physiological aspects were affected with the magnetic field. Rate of growth was negatively affected as it decreased in cotton leaf worm and red palm weevil. Results also demonstrated that invertase enzyme decreased in the treated larvae of S. littoralis ans G. mellonella with 40.15% and 28.33% respectively lower than the control. In the same time, magnetic field led to increase the invertase enzyme in R. ferrugineus with 71.6% higher than the control samples. In spite of the strong magnetic flux around the larvae of G. mellonella their influence was limited. This may be due to the special behaviour of the worms as they of internal presence and entrance inside the rearing media for these larvae.

DOI

10.21608/mjapam.2015.331947

Keywords

magnetism, pest control, metabolism, Enzyme, protein, carbohydrate, lipids

Authors

First Name

A.M.

Last Name

Hussein

MiddleName

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Affiliation

Plant Protection Research Institute, ARC, Egypt.

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City

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Orcid

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First Name

A.E.

Last Name

Hatem

MiddleName

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Affiliation

Plant Protection Research Institute, ARC, Egypt

Email

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City

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Orcid

-

First Name

M.K

Last Name

Abbas

MiddleName

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Affiliation

Plant Protection Research Institute, ARC, Egypt.

Email

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City

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Orcid

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First Name

Ghada E.

Last Name

Abdalla

MiddleName

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Affiliation

Plant Protection Research Institute, ARC, Egypt

Email

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City

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Orcid

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First Name

K.E.

Last Name

Rady

MiddleName

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Affiliation

Faculty of Engineering – Menoufiya University, Egypt.

Email

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City

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Orcid

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First Name

Salwa S.M.

Last Name

Abdel- Samad

MiddleName

-

Affiliation

Plant Protection Research Institute, ARC, Egypt.

Email

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City

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Orcid

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First Name

M.A.

Last Name

Eweis

MiddleName

-

Affiliation

Plant Protection Research Institute, ARC, Egypt.

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City

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Orcid

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Volume

40

Article Issue

4

Related Issue

44942

Issue Date

2015-08-01

Receive Date

2015-05-07

Publish Date

2015-08-01

Page Start

999

Page End

1,009

Print ISSN

2357-0776

Online ISSN

2735-3494

Article File

MJAPAM_Volume 40_Issue 4_Pages 999-1009.pdf

PDF . 834.1kB

Link

https://mjpam.journals.ekb.eg/article_331947.html

Detail API

https://mjpam.journals.ekb.eg/service?article_code=331947

Order

1

Type

Original Article

Type Code

1,417

Publication Type

Journal

Publication Title

Menoufia Journal of Plant Protection

Publication Link

https://mjpam.journals.ekb.eg/

MainTitle

EFFECT OF MAGNETIC FIELD ON METABOLISM AND ENZYME ACTIVITY IN SOME HARMFUL INSECTS

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Article

Created At

26 Dec 2024