Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol
<i>Carpophilus</i> beetles are serious pests of Australian fruit and nut crops, causing significant damage through adult and larval feeding and vectoring plant diseases. Six strains of the entomopathogenic fungus <i>Beauveria bassiana</i> ((Balsamo) Vuillemin; Hypocreales: Co...
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| Format: | Article |
| Language: | English |
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MDPI AG
2020-08-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/10/8/1207 |
| _version_ | 1797557686357721088 |
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| author | William Boston Diana Leemon John Paul Cunningham |
| author_facet | William Boston Diana Leemon John Paul Cunningham |
| author_sort | William Boston |
| collection | DOAJ |
| description | <i>Carpophilus</i> beetles are serious pests of Australian fruit and nut crops, causing significant damage through adult and larval feeding and vectoring plant diseases. Six strains of the entomopathogenic fungus <i>Beauveria bassiana</i> ((Balsamo) Vuillemin; Hypocreales: Cordycipitaceae), isolated from a range of hosts in Australia, together with one commercial strain, were screened for virulence to adult and larval stages of <i>Carpophilus</i> attacking stone fruits (<i>C. davidsoni</i> (Dobson)) and almonds (<i>C. truncatus</i> (Murray)) under laboratory conditions. The two species differed significantly in their susceptibility to the <i>B. bassiana</i> isolates. In the adult beetle assay, <i>C. truncatus</i> had a maximum Abbott’s control corrected mortality of 19% when treated with the most effective isolate, B54, compared to 52% for <i>C.</i><i>davidsoni</i>. In larval bioassays, mortality rates for the two species were generally higher than adults: four isolates caused greater than 80% mortality in <i>C. davidsoni</i>; while only one isolate was considered effective against <i>C. truncatus</i> (causing 73% mortality), all other isolates caused less than 40% mortality. The results indicate promising potential for <i>B. bassiana</i> to be applied as a biopesticide as part of an integrated pest management strategy, which might take the form of a soil application against larvae or an autodissemination program using adult beetles. |
| first_indexed | 2024-03-10T17:20:09Z |
| format | Article |
| id | doaj.art-4489122b9d5d413a9501555aa5fc4435 |
| institution | Directory Open Access Journal |
| issn | 2073-4395 |
| language | English |
| last_indexed | 2024-03-10T17:20:09Z |
| publishDate | 2020-08-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj.art-4489122b9d5d413a9501555aa5fc44352023-11-20T10:21:46ZengMDPI AGAgronomy2073-43952020-08-01108120710.3390/agronomy10081207Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle BiocontrolWilliam Boston0Diana Leemon1John Paul Cunningham2Agriculture Victoria Research, Agribio Centre for AgriBiosciences, 5 Ring Road, Bundoora 3083, AustraliaQueensland Department of Agriculture and Fisheries Ecosciences Precinct, 41 Boggo Road, Dutton Park 4102, AustraliaAgriculture Victoria Research, Agribio Centre for AgriBiosciences, 5 Ring Road, Bundoora 3083, Australia<i>Carpophilus</i> beetles are serious pests of Australian fruit and nut crops, causing significant damage through adult and larval feeding and vectoring plant diseases. Six strains of the entomopathogenic fungus <i>Beauveria bassiana</i> ((Balsamo) Vuillemin; Hypocreales: Cordycipitaceae), isolated from a range of hosts in Australia, together with one commercial strain, were screened for virulence to adult and larval stages of <i>Carpophilus</i> attacking stone fruits (<i>C. davidsoni</i> (Dobson)) and almonds (<i>C. truncatus</i> (Murray)) under laboratory conditions. The two species differed significantly in their susceptibility to the <i>B. bassiana</i> isolates. In the adult beetle assay, <i>C. truncatus</i> had a maximum Abbott’s control corrected mortality of 19% when treated with the most effective isolate, B54, compared to 52% for <i>C.</i><i>davidsoni</i>. In larval bioassays, mortality rates for the two species were generally higher than adults: four isolates caused greater than 80% mortality in <i>C. davidsoni</i>; while only one isolate was considered effective against <i>C. truncatus</i> (causing 73% mortality), all other isolates caused less than 40% mortality. The results indicate promising potential for <i>B. bassiana</i> to be applied as a biopesticide as part of an integrated pest management strategy, which might take the form of a soil application against larvae or an autodissemination program using adult beetles.https://www.mdpi.com/2073-4395/10/8/1207<i>Carpophilus</i> beetleentomopathogenic fungiBeauveria Bassianabiological control |
| spellingShingle | William Boston Diana Leemon John Paul Cunningham Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol Agronomy <i>Carpophilus</i> beetle entomopathogenic fungi Beauveria Bassiana biological control |
| title | Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol |
| title_full | Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol |
| title_fullStr | Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol |
| title_full_unstemmed | Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol |
| title_short | Virulence Screen of Beauveria Bassiana Isolates for Australian Carpophilus (Coleoptera: Nitidulidae) Beetle Biocontrol |
| title_sort | virulence screen of beauveria bassiana isolates for australian carpophilus coleoptera nitidulidae beetle biocontrol |
| topic | <i>Carpophilus</i> beetle entomopathogenic fungi Beauveria Bassiana biological control |
| url | https://www.mdpi.com/2073-4395/10/8/1207 |
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