Potential of Cameroonian isolates of Beauveria bassiana and Metarhizium anisopliae for the biocontrol of the banana aphid, Pentalonia nigronervosa, vector of banana bunchy top virus
Metarhizium anisopliae (Metschnikoff) Sorokin and Beauveria bassiana (Balsamo) Vuillemin are entomopathogenic fungi commonly used in microbial control of arthropods. In this study, we evaluated the insecticidal potential of six isolates of B. bassiana (BIITAC10.3.3, BIITAC6.2.2, and BIITAC8.1.5) and...
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| Veröffentlicht in: | PloS one 2024-11, Vol.19 (11), p.e0310746 |
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| creator | Enoh, Aime Cheoh Akoachere, Jane-Francis Fossi, Tatsinkou Bertrand Membang, Gertrude Ngatat, Sergine Fotso Kuate, Apollin Hanna, Rachid Kumar, P Lava Fiaboe, Komi K Mokpokpo |
| description | Metarhizium anisopliae (Metschnikoff) Sorokin and Beauveria bassiana (Balsamo) Vuillemin are entomopathogenic fungi commonly used in microbial control of arthropods. In this study, we evaluated the insecticidal potential of six isolates of B. bassiana (BIITAC10.3.3, BIITAC6.2.2, and BIITAC8.1.5) and M. anisopliae (MIITAC11.3.4, MIITAC6.2.2, and MIITAC6.4.2) from Cameroon, against the banana aphid Pentalonia nigronervosa Coquerel, the vector of the banana bunchy top virus (BBTV). Pathogenicity tests were initially conducted using B. bassiana and M. anisopliae isolates at a concentration of 3.2 × 106 conidia/ml on P. nigronervosa adults sourced from four agroecologies in Cameroon. Four isolates (BIITAC6.2.2, BIITAC10.3.3, BIITAC8.1.5, and MIITAC6.2.2) were highly pathogenic, causing greater than 75% aphid mortality in all populations. A significant decrease in aphid fecundity was observed with BIITAC6.2.2, MIITAC6.2.2, and BIITAC10.3.3. These three isolates were in a test of a series of four fungal concentrations (3.2 × 101, 3.2 × 102, 3.2 × 104, and 3.2 × 106 conidia/ml). produced LC50 of 1.31 × 101 and 3.12 × 10-2 for BIITAC10.3.3 and MIITAC6.2.2, respectively. MIITAC6.2.2 had the lowest LC90 (1.55 × 103). Our results strongly support the continued development of biopesticides based on one or more of the three fungal entomopathogens for the control of banana aphids as a component of an Integrated Pest Management (IPM) strategy for the reduction of the prevalence and transmission of BBTV under field conditions. |
| doi_str_mv | 10.1371/journal.pone.0310746 |
| format | Article |
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In this study, we evaluated the insecticidal potential of six isolates of B. bassiana (BIITAC10.3.3, BIITAC6.2.2, and BIITAC8.1.5) and M. anisopliae (MIITAC11.3.4, MIITAC6.2.2, and MIITAC6.4.2) from Cameroon, against the banana aphid Pentalonia nigronervosa Coquerel, the vector of the banana bunchy top virus (BBTV). Pathogenicity tests were initially conducted using B. bassiana and M. anisopliae isolates at a concentration of 3.2 × 106 conidia/ml on P. nigronervosa adults sourced from four agroecologies in Cameroon. Four isolates (BIITAC6.2.2, BIITAC10.3.3, BIITAC8.1.5, and MIITAC6.2.2) were highly pathogenic, causing greater than 75% aphid mortality in all populations. A significant decrease in aphid fecundity was observed with BIITAC6.2.2, MIITAC6.2.2, and BIITAC10.3.3. These three isolates were in a test of a series of four fungal concentrations (3.2 × 101, 3.2 × 102, 3.2 × 104, and 3.2 × 106 conidia/ml). produced LC50 of 1.31 × 101 and 3.12 × 10-2 for BIITAC10.3.3 and MIITAC6.2.2, respectively. MIITAC6.2.2 had the lowest LC90 (1.55 × 103). Our results strongly support the continued development of biopesticides based on one or more of the three fungal entomopathogens for the control of banana aphids as a component of an Integrated Pest Management (IPM) strategy for the reduction of the prevalence and transmission of BBTV under field conditions.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0310746</identifier><identifier>PMID: 39509423</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Agricultural practices ; Animals ; Antifungal agents ; Aphididae ; Aphids - microbiology ; Aphids - virology ; Arthropods ; Babuvirus - genetics ; Banana ; Beauveria - isolation & purification ; Beauveria - pathogenicity ; Beauveria - physiology ; Beauveria bassiana ; Biological control ; Biology and Life Sciences ; Biopesticides ; Bunchy top ; Cameroon ; Care and treatment ; Conidia ; Crop diseases ; Diagnosis ; Diseases and pests ; Entomopathogenic fungi ; Farms ; Fecundity ; Flowers & plants ; Fruits ; Fungal infections ; Fungi ; Growth ; Health aspects ; Insect Vectors - microbiology ; Insecticides ; Insects ; Integrated pest management ; Medicine and Health Sciences ; Metarhizium - pathogenicity ; Metarhizium anisopliae ; Microorganisms ; Musa - microbiology ; Pathogenicity ; Pathogens ; Pentalonia nigronervosa ; Pest control ; Pest Control, Biological - methods ; Pesticides ; Pests ; Plant Diseases - microbiology ; Plant resistance ; Plant viruses ; Virus diseases of plants ; Viruses</subject><ispartof>PloS one, 2024-11, Vol.19 (11), p.e0310746</ispartof><rights>Copyright: © 2024 Enoh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</rights><rights>COPYRIGHT 2024 Public Library of Science</rights><rights>2024 Enoh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2024 Enoh et al 2024 Enoh et al</rights><rights>2024 Enoh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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In this study, we evaluated the insecticidal potential of six isolates of B. bassiana (BIITAC10.3.3, BIITAC6.2.2, and BIITAC8.1.5) and M. anisopliae (MIITAC11.3.4, MIITAC6.2.2, and MIITAC6.4.2) from Cameroon, against the banana aphid Pentalonia nigronervosa Coquerel, the vector of the banana bunchy top virus (BBTV). Pathogenicity tests were initially conducted using B. bassiana and M. anisopliae isolates at a concentration of 3.2 × 106 conidia/ml on P. nigronervosa adults sourced from four agroecologies in Cameroon. Four isolates (BIITAC6.2.2, BIITAC10.3.3, BIITAC8.1.5, and MIITAC6.2.2) were highly pathogenic, causing greater than 75% aphid mortality in all populations. A significant decrease in aphid fecundity was observed with BIITAC6.2.2, MIITAC6.2.2, and BIITAC10.3.3. These three isolates were in a test of a series of four fungal concentrations (3.2 × 101, 3.2 × 102, 3.2 × 104, and 3.2 × 106 conidia/ml). produced LC50 of 1.31 × 101 and 3.12 × 10-2 for BIITAC10.3.3 and MIITAC6.2.2, respectively. MIITAC6.2.2 had the lowest LC90 (1.55 × 103). 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Enoh, Aime Cheoh</au><au>Akoachere, Jane-Francis</au><au>Fossi, Tatsinkou Bertrand</au><au>Membang, Gertrude</au><au>Ngatat, Sergine</au><au>Fotso Kuate, Apollin</au><au>Hanna, Rachid</au><au>Kumar, P Lava</au><au>Fiaboe, Komi K Mokpokpo</au><au>Rasool, Bilal</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Potential of Cameroonian isolates of Beauveria bassiana and Metarhizium anisopliae for the biocontrol of the banana aphid, Pentalonia nigronervosa, vector of banana bunchy top virus</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2024-11-07</date><risdate>2024</risdate><volume>19</volume><issue>11</issue><spage>e0310746</spage><pages>e0310746-</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Metarhizium anisopliae (Metschnikoff) Sorokin and Beauveria bassiana (Balsamo) Vuillemin are entomopathogenic fungi commonly used in microbial control of arthropods. In this study, we evaluated the insecticidal potential of six isolates of B. bassiana (BIITAC10.3.3, BIITAC6.2.2, and BIITAC8.1.5) and M. anisopliae (MIITAC11.3.4, MIITAC6.2.2, and MIITAC6.4.2) from Cameroon, against the banana aphid Pentalonia nigronervosa Coquerel, the vector of the banana bunchy top virus (BBTV). Pathogenicity tests were initially conducted using B. bassiana and M. anisopliae isolates at a concentration of 3.2 × 106 conidia/ml on P. nigronervosa adults sourced from four agroecologies in Cameroon. Four isolates (BIITAC6.2.2, BIITAC10.3.3, BIITAC8.1.5, and MIITAC6.2.2) were highly pathogenic, causing greater than 75% aphid mortality in all populations. A significant decrease in aphid fecundity was observed with BIITAC6.2.2, MIITAC6.2.2, and BIITAC10.3.3. These three isolates were in a test of a series of four fungal concentrations (3.2 × 101, 3.2 × 102, 3.2 × 104, and 3.2 × 106 conidia/ml). produced LC50 of 1.31 × 101 and 3.12 × 10-2 for BIITAC10.3.3 and MIITAC6.2.2, respectively. MIITAC6.2.2 had the lowest LC90 (1.55 × 103). Our results strongly support the continued development of biopesticides based on one or more of the three fungal entomopathogens for the control of banana aphids as a component of an Integrated Pest Management (IPM) strategy for the reduction of the prevalence and transmission of BBTV under field conditions.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>39509423</pmid><doi>10.1371/journal.pone.0310746</doi><tpages>e0310746</tpages><orcidid>https://orcid.org/0000-0001-5113-2159</orcidid><orcidid>https://orcid.org/0000-0002-5715-0144</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1932-6203 |
| ispartof | PloS one, 2024-11, Vol.19 (11), p.e0310746 |
| issn | 1932-6203 1932-6203 |
| language | eng |
| recordid | cdi_plos_journals_3125995301 |
| source | PLoS; MEDLINE; DOAJ Directory of Open Access Journals; PubMed Central; Free Full-Text Journals in Chemistry; EZB Electronic Journals Library |
| subjects | Agricultural practices Animals Antifungal agents Aphididae Aphids - microbiology Aphids - virology Arthropods Babuvirus - genetics Banana Beauveria - isolation & purification Beauveria - pathogenicity Beauveria - physiology Beauveria bassiana Biological control Biology and Life Sciences Biopesticides Bunchy top Cameroon Care and treatment Conidia Crop diseases Diagnosis Diseases and pests Entomopathogenic fungi Farms Fecundity Flowers & plants Fruits Fungal infections Fungi Growth Health aspects Insect Vectors - microbiology Insecticides Insects Integrated pest management Medicine and Health Sciences Metarhizium - pathogenicity Metarhizium anisopliae Microorganisms Musa - microbiology Pathogenicity Pathogens Pentalonia nigronervosa Pest control Pest Control, Biological - methods Pesticides Pests Plant Diseases - microbiology Plant resistance Plant viruses Virus diseases of plants Viruses |
| title | Potential of Cameroonian isolates of Beauveria bassiana and Metarhizium anisopliae for the biocontrol of the banana aphid, Pentalonia nigronervosa, vector of banana bunchy top virus |
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