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127027

BIOLOGICAL AND MOLECULAR STUDIES ON FUSARIUM WILT DISEASE OF TOMATO

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Last updated: 26 Dec 2024

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Abstract

Tomato (Solanum lypersicum Mill.) is ranked number 1 among fruits and vegetables with 14% of the total production worldwide (Food & Agriculture Organization of the United Nations, FAO, 2003). Fusarium wilt disease is only responsible for 10 to 50% of these losses (Lukyanenko 1991). In Egypt, the losses due to tomato wilt disease reached up to 67% (Lasheen 2009). Different Fusarium oxysporum isolates were tested under greenhouse conditions to determine their virulence potential toward tomato plants. Severity and development of Fusarium wilt disease was recorded 4, 6 and 8 weeks after pathogen inoculation. All the tested isolates were pathogenic and varied significantly with regard to their virulence potential on tomato under the test conditions.  The ability of a Fusarium isolate to infect particular plant species dependent on specific genes encoding host determining ‘virulence factors' that distinguish virulent from avirulent strains. Eight fungal proteins were identified from xylem sap of infected plants, encompassing the small secreted proteins called SIX1, Six2, Six3, Six4, Six5, Six6, Six7 and SIX 8. The results showed that the tested isolates were varied regarding to their pathogenicity potential toward tomato plants under greenhouse conditions. On the other hand, the amplicons of SIX1, SIX5 and SIX 7 were detected with most hyper virulent isolates while no amplicons for any tested SIX genes were observed with the nonpathogenic isolate (Fo162) as well as with the most hypo virulent isolates. These results, suggested that SIX1, SIX5 and SIX6 may play a distinct role in virulence potential of these Fusarium oxysporum isolates toward tomato plants under Egyptian conditions .

DOI

10.21608/mjapam.2017.127027

Keywords

Tomato, vegetables, Fusarium wilt disease

Authors

First Name

E. Z.

Last Name

Khalifa

MiddleName

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Affiliation

Prof. of Plant Pathology, Fac. of Agric., Menoufia Univ.

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Orcid

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First Name

G. A.

Last Name

Amer

MiddleName

-

Affiliation

Prof. of Plant Pathology, Fac. of Agric., Menoufia Univ.

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City

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Orcid

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First Name

A. A. EL-

Last Name

Kafrawy

MiddleName

-

Affiliation

Prof. of Plant Pathology Institute Agriculture Research Center

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Orcid

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First Name

M. E.

Last Name

Selim

MiddleName

-

Affiliation

Associate prof. of Plant Pathology, Fac. of Agric., Menoufia Univ.

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Volume

2

Article Issue

6

Related Issue

18981

Issue Date

2017-12-01

Receive Date

2020-12-02

Publish Date

2017-12-01

Page Start

349

Page End

350

Print ISSN

2357-0776

Online ISSN

2735-3494

Article File

MJAPAM_Volume 2_Issue 6_Pages 349-350.pdf

PDF . 228.3kB

Link

https://mjpam.journals.ekb.eg/article_127027.html

Detail API

https://mjpam.journals.ekb.eg/service?article_code=127027

Order

5

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

BIOLOGICAL AND MOLECULAR STUDIES ON FUSARIUM WILT DISEASE OF TOMATO

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Article

Created At

23 Jan 2023