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Volume 14
Issue 7
10.3390/agronomy14071341
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Isolation and Characterization of Native Isolates of Metarhizium sp. as a Biocontrol Agent of Hypothenemus hampei in Rodríguez de Mendoza Province—Peru

by
Manuel Oliva-Cruz
1,*,
Miguel A. Altamirano-Tantalean
1,
Reyna Chuquizuta-Torres
1,
Carlos Oliva-Cruz
1,
Jorge L. Maicelo-Quintana
1,
Santo T. Leiva-Espinoza
1,
Lorenzo Culqui
1,
Lizette Daniana Mendez-Fasabi
2,
Heidel Marcelo Rojas Ventura
1,
Mike Anderson Corazon-Guivin
3 and
Lily Juarez-Contreras
1
1
Instituto de Investigación para el Desarrollo Sustentable de Ceja de Selva (INDES-CES), Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, 342 Higos Urco, Chachapoyas 01001, Peru
2
Facultad de Ingeniería y Ciencias Agrarias (FICA), Universidad Nacional Toribio Rodríguez de Mendoza de Amazonas, 342 Higos Urco, Chachapoyas 01001, Peru
3
Laboratorio de Biología y Genética Molecular, Universidad Nacional de San Martín, Jr. Amorarca 315, Morales 22201, San Martin, Peru
*
Author to whom correspondence should be addressed.
Agronomy 2024, 14(7), 1341; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14071341
Submission received: 25 April 2024 / Revised: 17 June 2024 / Accepted: 18 June 2024 / Published: 21 June 2024
(This article belongs to the Section Pest and Disease Management)
Versions Notes

Abstract

Entomopathogenic fungi represent the pinnacle of efficacy among biological control agents when combating insect pests within natural ecosystems, combating them without altering the environment. This study aimed to isolate and characterize the morphology, physiology, and pathogenicity of native isolates of Metarhizium sp. isolated from soil samples from the province of Rodriguez de Mendoza. Eighteen native isolates of Metarhizium sp. were isolated and characterized. Colony coloration varied between yellow-gray, white, brown, and olive, with feathery or wavy edges. As for radial growth, the highest averages were obtained by isolates LLM-M2 and TOR-M16, with 43.15 mm and 42.85 mm, respectively. Conidia production at 15 days was higher for isolate LLM-M2 with 9.8 × 107 conidia/mL; in the percentage of germination at 14 h, the treatment that reached 100% germination was TOR-M16. Isolate CMR-M7 reached 97.49% mycelial growth percentage at 288 h, being the best result; in the percentage of mortality in CBB adults, the treatments that reached 100% were TOR-M9, TOR-M16, and MNR-M1. In general, the results demonstrate the entomopathogenic potential of native isolates of Metarhizium sp. acting as biocontrol agents of Hypothenemus hampei, being a low-cost, easily accessible, and environmentally friendly alternative.
Keywords: biocontrol; bioassay; coffee rhizosphere; biological regulation; pathogenicity biocontrol; bioassay; coffee rhizosphere; biological regulation; pathogenicity

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MDPI and ACS Style

Oliva-Cruz, M.; Altamirano-Tantalean, M.A.; Chuquizuta-Torres, R.; Oliva-Cruz, C.; Maicelo-Quintana, J.L.; Leiva-Espinoza, S.T.; Culqui, L.; Mendez-Fasabi, L.D.; Rojas Ventura, H.M.; Corazon-Guivin, M.A.; et al. Isolation and Characterization of Native Isolates of Metarhizium sp. as a Biocontrol Agent of Hypothenemus hampei in Rodríguez de Mendoza Province—Peru. Agronomy 2024, 14, 1341. https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14071341

AMA Style

Oliva-Cruz M, Altamirano-Tantalean MA, Chuquizuta-Torres R, Oliva-Cruz C, Maicelo-Quintana JL, Leiva-Espinoza ST, Culqui L, Mendez-Fasabi LD, Rojas Ventura HM, Corazon-Guivin MA, et al. Isolation and Characterization of Native Isolates of Metarhizium sp. as a Biocontrol Agent of Hypothenemus hampei in Rodríguez de Mendoza Province—Peru. Agronomy. 2024; 14(7):1341. https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14071341

Chicago/Turabian Style

Oliva-Cruz, Manuel, Miguel A. Altamirano-Tantalean, Reyna Chuquizuta-Torres, Carlos Oliva-Cruz, Jorge L. Maicelo-Quintana, Santo T. Leiva-Espinoza, Lorenzo Culqui, Lizette Daniana Mendez-Fasabi, Heidel Marcelo Rojas Ventura, Mike Anderson Corazon-Guivin, and et al. 2024. "Isolation and Characterization of Native Isolates of Metarhizium sp. as a Biocontrol Agent of Hypothenemus hampei in Rodríguez de Mendoza Province—Peru" Agronomy 14, no. 7: 1341. https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy14071341

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