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245317

SUSCEPTIBILITY OF TWO IMPORTANT corros INSECTS, Spodoptera Jittoralis (Boisd) AND Agrotis ipsilon (Huf.) TO THE ENTOMOPA-THOGENIC FUNGUS Metarhizium

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Last updated: 22 Jan 2023

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Abstract

Laboratory bioassay of the fungus MfJlarhizium anisop < /em>liae included different
stages oi two important cotton insects, Spodoplera littoralis(BoiSd) and Agrolis
ipsilon(Huf.), under different concentrations of fungus. The fungus proved virulent
against eggs and larvae of both insects. Treatment eggs of both insects pests
reduced rate of hatchability. It was evident that eggs and larvae of both insects were
susceptible to fungu! infection, and most of hatched larvae from treated eggs failed to
devleop to adults and dead in both S.liltoralis and A.ipsi/on. LCso for S,/ittoralis eggs
was 1.7 x 10~ spores/ml and 2.5 x 10~ sporeslml for larvae. LCso for A.ipsi/on eggs
was 2.5 x 103 sporeslml, and 5.5 x 103 spores/ml for larvae. s.nnorsus appeared 10 be
more susceptible than Aipsi/on through all the stages, and recorded more reduction in
larvae, pupae, and adults during larval development of the newly emerging larvae
from the treated eggs.

DOI

10.21608/jppp.2003.245317

Authors

First Name

Safaa

Last Name

Aly

MiddleName

H.

Affiliation

Agricultural Research Center, Plant Protection Research Institute, Pesticides Tests of cotton Pests Department, Egypt

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Volume

28

Article Issue

2

Related Issue

35139

Issue Date

2003-02-01

Receive Date

2022-06-21

Publish Date

2003-02-01

Page Start

1,463

Page End

1,471

Print ISSN

2090-3677

Online ISSN

2090-3758

Article File

JPPP_Volume 28_Issue 2_Pages 1463-1471.pdf

PDF . 6.8MB

Link

https://jppp.journals.ekb.eg/article_245317.html

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https://jppp.journals.ekb.eg/service?article_code=245317

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6

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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/

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Article

Created At

22 Jan 2023