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Characterization and virulence of Beauveria bassiana associated with auger beetle (Sinoxylon anale) infesting allspice (Pimenta dioica).

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Title Characterization and virulence of Beauveria bassiana associated with auger beetle (Sinoxylon anale) infesting allspice (Pimenta dioica).
Not Available
 
Creator C. M. Senthil Kumar
T.K. Jacob
S. Devasahayam
Sharon D'Silva
P.G. Nandeesh
 
Subject Beauveria bassiana
Sinoxylon anale
Allspice
 
Description Not Available
The incidence of auger beetle, Sinoxylon anale Lesne (Bostrichidae: Coleoptera), a destructive pest of cosmopolitan occurrence is reported for the first time on allspice trees, Pimenta dioica (L.) Merr. in Kerala, India. The insects bored through the basal region of fresh twigs resulting in dieback symptoms. Morphological characterization and sequencing of a partially amplified fragment of the mitochondrial CO1 gene (696 bp) revealed the insect to be Sinoxylon anale. An entomopathogenic fungus was isolated from infected cadavers of S. anale that was identified as Beauveria bassiana (Bals.-Criv.) Vuill., sensu stricto (s.s.) (Ascomycota: Hypocreales) based on morphological and molecular studies. The partial sequences of the ITS, TUB, TEF and Bloc gene regions were sequenced. The fungus grew well in ambient room temperature conditions (28–32 ± 2 °C; 60–70% relative humidity) and the infection process on the insect was documented by scanning electron microscopy. Bioassay studies with the isolate indicated that the fungus was virulent against adult beetles as evidenced by the LC50 (3.6 × 106 conidia/ml) and ST50 values (6.8 days at a dose of 1 × 107 conidia/ml and 5.8 days at a dose of 1 × 108 conidia/ml, respectively). This is the first record of B. bassiana naturally infecting S. anale and the fungus holds promise to be developed as a mycoinsecticide.
ICAR
 
Date 2021-07-27T18:21:17Z
2021-07-27T18:21:17Z
2016-09-01
 
Type Journal
 
Identifier 5. Senthil Kumar CM, Jacob TK, Devasahayam S, D'Silva S, Nandeesh PG. 2016. Characterization and virulence of Beauveria bassiana associated with auger beetle (Sinoxylon anale) infesting allspice (Pimenta dioica). Journal of Invertebrate Pathology 139: 67-73.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/50324
 
Language English
 
Relation Not Available;
 
Publisher Elsevier