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89745

Effectiveness of Plant Extracts as Safe Control Means against Damping-off and Root Rot Diseases in Faba Bean Plants

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Last updated: 22 Jan 2023

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Abstract

Faba bean root rot caused by Fusarium solani and Rhizoctonia solani is one of the most important biotic stresses in the major growing areas in Egypt. In this study, aqueous extracts and organic solvent extracts of three wild medicinal plants (Lawsonia inermis, Eugenia jambolana and Moringa oleifera) were evaluated in vitro and in vivo for protection of faba bean plants against damping-off and root rot diseases. Under laboratory conditions, all aqueous and organic solvent extracts significantly suppressed linear growth of F. solani and R. solani. E. jambolana extracts recorded the highest inhibition to the linear growth of both pathogenic tested fungi. Also, organic solvent extracts were more active than aqueous extracts of all tested plants. Under greenhouse and field conditions, all tested extracts significantly reduced damping-off and root rot incidence as well as increased some crop parameters in the field compared with untreated control. Faba bean seeds treated with E. jambolana extracts gave the highest protection against damping-off and root rot as well as recorded the highest crop components compared to the other extracts. In physiological studies, activity of defense-related enzymes, including peroxidase (PO), polyphenoloxidase (PPO), phenylalanine ammonia lyase (PAL), superoxide dismutase (SOD) and catalase (CAT), as well as content of phenolic compounds were increased in plants treated with aqueous or organic solvent extracts grown in soil infested with any of F. solani and R. solani, compared with untreated plants (control). In general, E. jambolana extracts recorded the highest increase in the activity of all enzymes as well as the content of total phenolic compounds. The organic solvent extracts increased the activity of all assessed enzymes and total phenolic compounds more than aqueous extracts of all tested plants. These results suggested that aqueous and organic solvent extracts may play an important role for controlling faba bean damping-off and root rot diseases.

DOI

10.21608/ejp.2017.89745

Keywords

Crop parameters, Damping-off, Faba bean, oxidative enzymes, Plant extracts, and total phenolic compounds

Authors

First Name

Montasser

Last Name

Abdel-Monaim

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Affiliation

Plant Pathol. Res. Inst., Agric. Res. Centre, Giza, Egypt

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First Name

Mohamed

Last Name

Mazen

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Affiliation

Plant Pathol. Res. Inst., Agric. Res. Centre, Giza, Egypt

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Orcid

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First Name

Marwa

Last Name

Atwa

MiddleName

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Affiliation

Plant Pathol. Res. Inst., Agric. Res. Centre, Giza, Egypt

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Volume

45

Article Issue

1

Related Issue

13451

Issue Date

2017-06-01

Receive Date

2017-05-09

Publish Date

2017-06-30

Page Start

233

Page End

253

Print ISSN

1110-0230

Online ISSN

2090-2522

Link

https://ejp.journals.ekb.eg/article_89745.html

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https://ejp.journals.ekb.eg/service?article_code=89745

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15

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