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256607

STUDIES ON THE OCCURRANCE OF SEEDLING BLIGHT, ROOT ROTS AND DISEASE SEVERITY OF SUGAR BEET PLANTS

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Last updated: 04 Jan 2025

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Abstract

Survey of seedling hlighl. root rots, and disease severity of sug;;u beet plants
were earned out on sugar beet fields of four northern and mid Nile Delta
Governorates. This survey revealed thDt seedling blight and root-rots otseases were
dominant in all surveyed Governorates with various degrees or spread. however Kafe
EI-Sheikl1 Governorate represented the first rank in this respect. Sclerotium rolfsi; followd by Rhizoctonia solaniwere the most frequent isolated
fungi (rom diseased matertats collected during such survey, whIle Macrop < /em>flomillB
pllaseolina, on the other hand, was the less frequent one. Fusarium OXyspolum, F.
solan;, F. monilifom16 and some other unidentified run~1 were also recovered from
Infected roots. Studying pathogenicity revealed that S. rol(sii foliowed by R. solan; were the
most destructive pathogens to the tested susoeptible cuUivar, cv. Kawmera under
artiOcial Infection. M. pneseoune, on the contrary, had the least capability to infect
beet plants. Studying the varietal resistance of 15 cultivars to infection with damping-off
and root-rots caused by S. rolfsii and R. so/ani indicated that all the tested cultivars
were liusceptible with various degrees of susceptibility to these pathogens under
greenhouse condilions. But, under natural infection, only sam of them were
susceptible to infection (giving more than 6% infection). while the majority exhibited
moderate resistance against infection by the two pathogens (giving less than 8%
infection). Clear negative corelauon was found between infection percent and the root
yield per plot.

DOI

10.21608/jpp.2002.256607

Keywords

Sugar beet, Damping-off, Root-rot, disease severity, Sclerotium ro/fsii, Rhizoclonia solam: Macrophomina phoseolit18, Fusarium oxy:sporum, and F. soIani

Authors

First Name

M.

Last Name

El-Kazzaz,

MiddleName

K.

Affiliation

Dept. or Af!tic. Botany, Faculty of Agriculture, Kafr EI-Sl1eikh, Tanta University.

Email

-

City

-

Orcid

-

First Name

E.

Last Name

El-Assiuty

MiddleName

M.

Affiliation

Plant Pathol. Research lnstitute, ARC, Giza.

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Badr

MiddleName

M.

Affiliation

Dept. or Af!tic. Botany, Faculty of Agriculture, Kafr EI-Sl1eikh, Tanta University.

Email

-

City

-

Orcid

-

First Name

H.

Last Name

El-Zahaby

MiddleName

M.

Affiliation

Dcpt. of Agtic. Botany, Tanta Faculty of Agriculture, Tanla University.

Email

-

City

-

Orcid

-

First Name

M.

Last Name

Gouda

MiddleName

E.

Affiliation

Plant Pathol. Research lnstitute, ARC, Giza.

Email

-

City

-

Orcid

-

Volume

27

Article Issue

9

Related Issue

36357

Issue Date

2002-09-01

Receive Date

2002-08-09

Publish Date

2002-09-01

Page Start

5,807

Page End

5,821

Print ISSN

2090-3669

Online ISSN

2090-374X

Article File

JPP_Volume 27_Issue 9_Pages 5807-5821.pdf

PDF . 3.9MB

Link

https://jpp.journals.ekb.eg/article_256607.html

Detail API

https://jpp.journals.ekb.eg/service?article_code=256607

Order

9

Type

Original Article

Type Code

887

Publication Type

Journal

Publication Title

Journal of Plant Production

Publication Link

https://jpp.journals.ekb.eg/

MainTitle

STUDIES ON THE OCCURRANCE OF SEEDLING BLIGHT, ROOT ROTS AND DISEASE SEVERITY OF SUGAR BEET PLANTS

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Type

Article

Created At

22 Jan 2023