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194695

EFFECT OF BIOTIC AND ABIOTIC AGENTS IN CONTROLLING CUCUMBER LEAF SPOT CAUSED BY Alternaria cucumerina UNDER PROTECTED CULTIVATION

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Last updated: 05 Jan 2025

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Abstract

Alternaria cucumerina was isolated from blighted or spotted
cucumber leaves. Pathogenicity test revealed that A. cucumerina was
pathogenic to cotyledons and true leaves of cucumber plants. Matrix
cv. gave the lowest infection with A. cucumerina, while Beta alpha
recorded the highest infection. On the otherhand, A. cucumerina
isolated from cucumber plants had ablility to infect other cucubit
plants; i.e. melon; watermelon; pumpkins, Smooth Loofah and
squash. Both Bacillus spp. and Trichoderma spp < /span>. inhibited the
growth of A. cucumerina either in vitro or in vivo. Trichoderma sp < /span>.,
T. harzianum, T. viride and different Bacillus spp < /span>. (isolated from
cucumber leaf surface) and their culture filtrates significantly
inhibited the radial growth of A. cucumerina on PDA medium.
Various concentrations of some plant oils and plant extracts reduced
the radial growth and spore germination of A. cucumerina, especially
clove oil. Also, Dithane M-45 was effective in reducing the radial
growth of A. cucumerina. Bacillus spp < /span>. (isolate 4), T. harzianum,
clove oil and Dithane M-45 were the most effective treatments in
controlling cucumber leaf spot.

DOI

10.21608/fjard.2012.194695

Keywords

Alternaria cucumerina, Cucumber, Biocontrol, plant extract, plant oils and dithane M-45

Authors

First Name

M.M.

Last Name

Atia

MiddleName

-

Affiliation

Agric. And Pl. Path. Dept., Fac. Agric., Zagazig Univ.

Email

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City

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Orcid

-

First Name

O.Y.

Last Name

Shalaby

MiddleName

-

Affiliation

Agric. Botany Dept., Fac. Agric., Fayoum Univ.

Email

-

City

-

Orcid

-

First Name

Amna

Last Name

E. Hedia

MiddleName

-

Affiliation

Agric. Botany Dept., Fac. Agric., Fayoum Univ.

Email

-

City

-

Orcid

-

Volume

26

Article Issue

2

Related Issue

27668

Issue Date

2012-07-01

Receive Date

2021-09-14

Publish Date

2012-07-01

Page Start

60

Page End

75

Print ISSN

1110-7790

Online ISSN

2805-2528

Article File

FJARD_Volume 26_Issue 2_Pages 60-75.pdf

PDF . 813.3kB

Link

https://fjard.journals.ekb.eg/article_194695.html

Detail API

https://fjard.journals.ekb.eg/service?article_code=194695

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5

Type

Research articles.

Type Code

1,920

Publication Type

Journal

Publication Title

Fayoum Journal of Agricultural Research and Development

Publication Link

https://fjard.journals.ekb.eg/

MainTitle

EFFECT OF BIOTIC AND ABIOTIC AGENTS IN CONTROLLING CUCUMBER LEAF SPOT CAUSED BY Alternaria cucumerina UNDER PROTECTED CULTIVATION

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Article

Created At

23 Jan 2023