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Evaluation of Metabolites of Myrothecium verrucaria as Biological Nematicide against Root-knot Nematode, Meloidogyne incognita in Vitro and in Vivo on Sugar Beet Plants

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Last updated: 04 Jan 2025

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Abstract

Nematicidal activity of heat-sterilizing filtrate culture of Myrothecium verrucaria was evaluated against Meloidogyne incognita in Vitro and the metabolites formulated as granules of M. verrucaria were prepared and tested on sugar beet plants infested with M. incognita comparison with DiTera™ and Rugby 10%G, under greenhouse conditions. Laboratory results showed that sterilized culture filtrate of the fungus M. verrucaria either by syringe or by autoclaving significantly reduced the percentages of egg hatching and increased the percentage of 2nd stage juveniles (J2) mortality of M. incognita. The most effective reductions of hatching were obtained at 50% concentration with the sterilized filtrate by autoclaving (94.23%), while the most effective reached 96.70% increasing in the percentage of mortality of J2 after 3 days from treating by 50% concentration in case the sterilized filtrate by syringe. Results of  greenhouse experiment showed that, all treatments by the prepared fungal formulae of M. verrucaria or DiTerawith different rats significantly reduced the number of galls on sugar beet roots and final nematode population (J2) in soil compared with control (nematode only). The higher rate (0.2 g /pot) was achieved the highest reduction in root-galling (86%) with DiTera treatment and the highest reduction in (J2) with fungal formulae treatment (92.2%). Improvement in plant growth parameters were noticed by treatments. Analysis by GC-MS of the fungus metabolites was identified compounds to have antimicrobial and nematicidal activities. The prepared formulae from the Egyptian isolate of M. verrucaria can be used as safety bio-nematicide against M. incognita on sugar beet.

DOI

10.21608/jppp.2021.52745.1007

Keywords

Myrothecium verrucaria, Bio-nematicide, Meloidogyne incognita, Sugar beet

Authors

First Name

Eman

Last Name

Hagag

MiddleName

Samir

Affiliation

Plant Pathology Research Institute, Agricultural Research Center, Sakha, Egypt

Email

menamomen@yahoo.com

City

kafrelshieh

Orcid

-

Volume

12

Article Issue

1

Related Issue

20350

Issue Date

2021-01-01

Receive Date

2021-02-18

Publish Date

2021-01-01

Page Start

47

Page End

53

Print ISSN

2090-3677

Online ISSN

2090-3758

Link

https://jppp.journals.ekb.eg/article_149525.html

Detail API

https://jppp.journals.ekb.eg/service?article_code=149525

Order

9

Type

Original Article

Type Code

888

Publication Type

Journal

Publication Title

Journal of Plant Protection and Pathology

Publication Link

https://jppp.journals.ekb.eg/

MainTitle

Evaluation of Metabolites of Myrothecium verrucaria as Biological Nematicide against Root-knot Nematode, Meloidogyne incognita in Vitro and in Vivo on Sugar Beet Plants

Details

Type

Article

Created At

22 Jan 2023