Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia
The fall armyworm (FAW) (Spodoptera frugiperda J. E. Smith) is widely recognized as an invasive lepidopteran pest in Africa. Adoption of synthetic pesticides remains an option for emergency control of the FAW, but their large-scale use by small-scale farmers is costly and environmentally unsafe. Man...
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| Format: | Article |
| Language: | English |
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Hindawi Limited
2024-01-01
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| Series: | Psyche: A Journal of Entomology |
| Online Access: | http://dx.doi.org/10.1155/2024/7444094 |
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| author | Mequanint Andualem Mekonnen Gebremariam Asaye Emirie Solomon Yilma Mitiku Bogale Nigir Hailemariam Melkamu Birhanie Mekonnen Anteneh Ademe Mengistu |
| author_facet | Mequanint Andualem Mekonnen Gebremariam Asaye Emirie Solomon Yilma Mitiku Bogale Nigir Hailemariam Melkamu Birhanie Mekonnen Anteneh Ademe Mengistu |
| author_sort | Mequanint Andualem Mekonnen |
| collection | DOAJ |
| description | The fall armyworm (FAW) (Spodoptera frugiperda J. E. Smith) is widely recognized as an invasive lepidopteran pest in Africa. Adoption of synthetic pesticides remains an option for emergency control of the FAW, but their large-scale use by small-scale farmers is costly and environmentally unsafe. Management options based on entomopathogenic fungi could minimize risks for health and the environment. In our study, the occurrence of entomopathogenic fungi in different habitats along with their pathogenicity to fall armyworm was examined. A total of 56 soil samples were collected from three locations. A standard isolation method, baited with the wax moth larvae (Galleria mellonella), was used for the isolation of entomopathogenic fungi from soil. Twelve entomopathogenic fungi were isolated from the total soil samples collected. It was observed that Metarhizium spp. was more frequent and widespread than Beauveria spp. and their occurrence was high in the forest habitat. Pathogenicity of indigenous entomopathogenic fungi isolates on fall armyworm larvae was tested by applying conidial suspension containing 1 × 108 spores/ml. All of the isolates tested were pathogenic to larvae of fall armyworm, with mortalities varying from 30 to 80% at 10 days posttreatment. Our results suggest that native entomopathogenic fungi could be integrated for the management of Spodoptera frugiperda larvae. |
| first_indexed | 2024-03-08T13:34:05Z |
| format | Article |
| id | doaj.art-1c4f94b497c8428ca35484f697fe89c3 |
| institution | Directory Open Access Journal |
| issn | 1687-7438 |
| language | English |
| last_indexed | 2024-03-08T13:34:05Z |
| publishDate | 2024-01-01 |
| publisher | Hindawi Limited |
| record_format | Article |
| series | Psyche: A Journal of Entomology |
| spelling | doaj.art-1c4f94b497c8428ca35484f697fe89c32024-01-17T00:03:43ZengHindawi LimitedPsyche: A Journal of Entomology1687-74382024-01-01202410.1155/2024/7444094Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, EthiopiaMequanint Andualem Mekonnen0Gebremariam Asaye Emirie1Solomon Yilma Mitiku2Bogale Nigir Hailemariam3Melkamu Birhanie Mekonnen4Anteneh Ademe Mengistu5Adet Agricultural Research CenterAdet Agricultural Research CenterAmbo Agricultural Research CenterBioversity International: Alliance of Bioversity International and International Center for Tropical AgricultureAdet Agricultural Research CenterAdet Agricultural Research CenterThe fall armyworm (FAW) (Spodoptera frugiperda J. E. Smith) is widely recognized as an invasive lepidopteran pest in Africa. Adoption of synthetic pesticides remains an option for emergency control of the FAW, but their large-scale use by small-scale farmers is costly and environmentally unsafe. Management options based on entomopathogenic fungi could minimize risks for health and the environment. In our study, the occurrence of entomopathogenic fungi in different habitats along with their pathogenicity to fall armyworm was examined. A total of 56 soil samples were collected from three locations. A standard isolation method, baited with the wax moth larvae (Galleria mellonella), was used for the isolation of entomopathogenic fungi from soil. Twelve entomopathogenic fungi were isolated from the total soil samples collected. It was observed that Metarhizium spp. was more frequent and widespread than Beauveria spp. and their occurrence was high in the forest habitat. Pathogenicity of indigenous entomopathogenic fungi isolates on fall armyworm larvae was tested by applying conidial suspension containing 1 × 108 spores/ml. All of the isolates tested were pathogenic to larvae of fall armyworm, with mortalities varying from 30 to 80% at 10 days posttreatment. Our results suggest that native entomopathogenic fungi could be integrated for the management of Spodoptera frugiperda larvae.http://dx.doi.org/10.1155/2024/7444094 |
| spellingShingle | Mequanint Andualem Mekonnen Gebremariam Asaye Emirie Solomon Yilma Mitiku Bogale Nigir Hailemariam Melkamu Birhanie Mekonnen Anteneh Ademe Mengistu Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia Psyche: A Journal of Entomology |
| title | Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia |
| title_full | Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia |
| title_fullStr | Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia |
| title_full_unstemmed | Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia |
| title_short | Occurrence and Pathogenicity of Indigenous Entomopathogenic Fungi Isolates to Fall Armyworm (Spodoptera frugiperda J. E. Smith) in Western Amhara, Ethiopia |
| title_sort | occurrence and pathogenicity of indigenous entomopathogenic fungi isolates to fall armyworm spodoptera frugiperda j e smith in western amhara ethiopia |
| url | http://dx.doi.org/10.1155/2024/7444094 |
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