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251423

THE ROLE OF SOME BIOLOGICAL AND CHEMICAL AGENTS IN REGULATING THE POPULATION DENSITY OF THE cortes LEAF WORM, Spodoptera littoralis (BOIS D.) AND SOME RELATED BENEFICIAL INSECTS

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Last updated: 04 Jan 2025

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Abstract

Field experiment was Conducted in TooKh district, Kalubia Governorate,
during 2001 and 2002 cotton seasons to study the efficacy of insecticidal effect of
some biological and chemical agents (Agrein, Cascade, Sumi -- alpha, mixture of
Dursban + Atabron and Larvin) against the S. littorals larvae and some related
beneficial insects, namely, Scymnus spp < /em>., Chrysopa carne a, Orius spp < /em>., Coccinella
undecimpunctata, Paederus alferii and Syrphus spp < /em>. The results indicated that the
mixture of Dursban + Atabron formulation caused the highest effect on the cotton
leafworm, S. littoralis. The general mean of infestation percentages, during the two
successive seasons of investigation were 13.1 % in the 0 ursban + A tabron a rea
followed by Sumi •• alpha (15.15 %), Agrein (16.58 %), Larvin (19.1 %) and Cascade
(21.75 %), treatments.The results indicated, also that the decreasing percentages in the population
size of the predators under investigation were differed between the various treatment
areas. The efficacy of the biological insecticide formulations l.e. Agrein on the cotton
leafworm S. littoralis was higher than that on the predator populations .On the
contrary. the chemical insecticides harboured high effects on both S. littoralis and the
related predator populations.

DOI

10.21608/jppp.2003.251423

Authors

First Name

M.

Last Name

Aly

MiddleName

M. M.

Affiliation

Plant protection Research Institute, Agricultural Research Center, Ministry of Agriculture, Dokki, Giza

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Volume

28

Article Issue

7

Related Issue

35180

Issue Date

2003-07-01

Receive Date

2022-07-27

Publish Date

2003-07-01

Page Start

5,713

Page End

5,724

Print ISSN

2090-3677

Online ISSN

2090-3758

Article File

JPPP_Volume 28_Issue 7_Pages 5713-5724.pdf

PDF . 1.6MB

Link

https://jppp.journals.ekb.eg/article_251423.html

Detail API

https://jppp.journals.ekb.eg/service?article_code=251423

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5

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Original Article

Type Code

888

Publication Type

Journal

Publication Title

Journal of Plant Protection and Pathology

Publication Link

https://jppp.journals.ekb.eg/

MainTitle

THE ROLE OF SOME BIOLOGICAL AND CHEMICAL AGENTS IN REGULATING THE POPULATION DENSITY OF THE cortes LEAF WORM, Spodoptera littoralis (BOIS D.) AND SOME RELATED BENEFICIAL INSECTS

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Article

Created At

22 Jan 2023