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87766

Biological Control of Root Rot Complex of Pea (<i>Pisum sativum</i> L.)

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Last updated: 22 Jan 2023

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Abstract

Pea root rot complex, caused by several soil borne fungi is a global major yield-limiting factor for pea production. Fusarium oxysporum, Rhizoctonia solani Kühn, Sclerotinia sclerotiorum, and Thielaviopsis basicola were isolated, identified and confirmed in pathogenicity test as root rot pathogens involved. Thin layer chromatography (TLC) technique revealed that the filtrates of R. solani, F. oxysporum, S. sclerotiorum and T. basicola contained a variety of toxins that were collected from the chromatogram bands. Fusarium oxysporum (one fraction) produced fusaric acid. Sclerotinia
sclerotiorum (two fractions) produced Sclerotinin A. Control of root rot complex of pea using biological agents (BCAs) as Trichoderma harzianum, Rhizobium sp < /em> and Bacillus subtilis was studied to elucidate their disease control efficacy. Soil treated with B. subtilis, T. harzianum, Rhizobium sp < /em> significantly decreased the disease severity after treatment. The treatments gave the highest valued of plant growth parameters. Results showed that the enzyme activities of PG
and Cx decreased in treated root pea plants compared to untreated ones such enzymes are supposedly involved in pathogenesis. Further studies are needed to define the best application methods to achieve the most effective disease control.

DOI

10.21608/ejp.2018.87766

Keywords

pea, <i>Pisum sativum</i>, bio-agents, disease complex, Enzyme, Root rot, Toxins, wilt, <i>Fusarium oxysporum</i>, <i>Rhizoctonia solani</i>, <i>Sclerotinia sclerotiorum</i>, <i>Thielaviopsis basicola<i>

Authors

First Name

Naglaa

Last Name

Muhanna

MiddleName

A.S.

Affiliation

Plant Pathology Research Institute, Agricultural Research Center, 12619, Giza, Egypt.

Email

naglaa_muhanna@yahoo.com

City

Giza

Orcid

0000-0001-9275-8406

First Name

Safa

Last Name

Elwan

MiddleName

E.

Affiliation

Plant Pathology Research Institute, Agricultural Research Center, 12619, Giza, Egypt.

Email

-

City

Giza

Orcid

-

First Name

Nsreen

Last Name

Dib

MiddleName

D.

Affiliation

Agric. Sci. Res. Center, Lattakia, Syria

Email

-

City

-

Orcid

-

Volume

46

Article Issue

1

Related Issue

13124

Issue Date

2018-06-01

Receive Date

2018-01-29

Publish Date

2018-06-15

Page Start

49

Page End

67

Print ISSN

1110-0230

Online ISSN

2090-2522

Article File

EJP_Volume 46_Issue 1_Pages 49-67.pdf

PDF . 303.0kB

Link

https://ejp.journals.ekb.eg/article_87766.html

Detail API

https://ejp.journals.ekb.eg/service?article_code=87766

Order

4

Type

Original Article

Type Code

1,256

Publication Type

Journal

Publication Title

Egyptian Journal of Phytopathology

Publication Link

https://ejp.journals.ekb.eg/

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Article

Created At

22 Jan 2023