Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).

Entomopathogenic fungi are regarded as effective biocontrol agents in pest management. Different fungi isolates exhibit varying degree of pathogenicity against red palm weevil [Rhynchophorus ferrugineus (Olivier)]. The pathogenicity of four native isolate from Saudi Arabia (three Beauveria bassiana...

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Autores principales:	Koko Dwi Sutanto, Mureed Husain, Khawaja Ghulam Rasool, Wahidah Hazza Al-Qahtani, Abdulrahman Saad Aldawood
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/35fa728877744f72ba0a2a6545aeeda0
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spelling	oai:doaj.org-article:35fa728877744f72ba0a2a6545aeeda02021-12-02T20:06:30ZPathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).1932-620310.1371/journal.pone.0255029https://doaj.org/article/35fa728877744f72ba0a2a6545aeeda02021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255029https://doaj.org/toc/1932-6203Entomopathogenic fungi are regarded as effective biocontrol agents in pest management. Different fungi isolates exhibit varying degree of pathogenicity against red palm weevil [Rhynchophorus ferrugineus (Olivier)]. The pathogenicity of four native isolate from Saudi Arabia (three Beauveria bassiana named as BbSA-1, BbSA-2, BbSA-3 and one Metarhizium anisopliae regarded as MaSA-1) and three exotic isolates from Indonesia (B. bassiana coded as BbIDN-1 and M. anisopliae named as MaIDN-1 and MaIDN-2) was evaluated against red palm weevil under laboratory conditions. The isolates were applied to eggs (1 day old), larvae (3 and 35 days old), pupae (5 days old) and adults (10 days old). The average mortality rate of eggs and hatched larvae was 100% in all of the isolates except BbSA-2 and BbIDN-1, where mortality was 93.3 and 90%, respectively. The lowest mortality rate (73.3%) was recorded for BbSA-3 against 3-days-old larvae; however, all other isolates caused >80% larval mortality. Meanwhile, 93.3% mortality of 35-day-old larvae was noted for MaSA-1 isolate. The highest pupa mortality (80%) was observed for MaSA-1, while remaining isolates caused >60% mortality. The isolates BbSA-1 and MaSA-1 caused 61 and 74.3% mortality in adults, respectively. The tested fungi isolates exhibited high virulence against all life stages of red palm weevil. Local isolates had higher pathogenicity than exotic isolates. The findings of the current study suggest that entomopathogenic fungi could be used as biological control agents for the management of red palm weevil. However, field studies are needed to reach the sound conclusions and practical applications.Koko Dwi SutantoMureed HusainKhawaja Ghulam RasoolWahidah Hazza Al-QahtaniAbdulrahman Saad AldawoodPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0255029 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Koko Dwi Sutanto Mureed Husain Khawaja Ghulam Rasool Wahidah Hazza Al-Qahtani Abdulrahman Saad Aldawood Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
description	Entomopathogenic fungi are regarded as effective biocontrol agents in pest management. Different fungi isolates exhibit varying degree of pathogenicity against red palm weevil [Rhynchophorus ferrugineus (Olivier)]. The pathogenicity of four native isolate from Saudi Arabia (three Beauveria bassiana named as BbSA-1, BbSA-2, BbSA-3 and one Metarhizium anisopliae regarded as MaSA-1) and three exotic isolates from Indonesia (B. bassiana coded as BbIDN-1 and M. anisopliae named as MaIDN-1 and MaIDN-2) was evaluated against red palm weevil under laboratory conditions. The isolates were applied to eggs (1 day old), larvae (3 and 35 days old), pupae (5 days old) and adults (10 days old). The average mortality rate of eggs and hatched larvae was 100% in all of the isolates except BbSA-2 and BbIDN-1, where mortality was 93.3 and 90%, respectively. The lowest mortality rate (73.3%) was recorded for BbSA-3 against 3-days-old larvae; however, all other isolates caused >80% larval mortality. Meanwhile, 93.3% mortality of 35-day-old larvae was noted for MaSA-1 isolate. The highest pupa mortality (80%) was observed for MaSA-1, while remaining isolates caused >60% mortality. The isolates BbSA-1 and MaSA-1 caused 61 and 74.3% mortality in adults, respectively. The tested fungi isolates exhibited high virulence against all life stages of red palm weevil. Local isolates had higher pathogenicity than exotic isolates. The findings of the current study suggest that entomopathogenic fungi could be used as biological control agents for the management of red palm weevil. However, field studies are needed to reach the sound conclusions and practical applications.
format	article
author	Koko Dwi Sutanto Mureed Husain Khawaja Ghulam Rasool Wahidah Hazza Al-Qahtani Abdulrahman Saad Aldawood
author_facet	Koko Dwi Sutanto Mureed Husain Khawaja Ghulam Rasool Wahidah Hazza Al-Qahtani Abdulrahman Saad Aldawood
author_sort	Koko Dwi Sutanto
title	Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
title_short	Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
title_full	Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
title_fullStr	Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
title_full_unstemmed	Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).
title_sort	pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (rhynchophorus ferrugineus).
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/35fa728877744f72ba0a2a6545aeeda0
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Pathogenicity of local and exotic entomopathogenic fungi isolates against different life stages of red palm weevil (Rhynchophorus ferrugineus).

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