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Diaphorina citri populations carrying the bacterial plant pathogen Candidatus Liberibacter asiaticus are more susceptible to infection by entomopathogenic fungi than bacteria‐free populations

Diaphorina citri populations carrying the bacterial plant pathogen Candidatus Liberibacter... The presence of Candidatus Liberibacter asiaticus (CLas) modifies the susceptibility of Diaphorina citri to fungal infection. Using one isolate of each the fungal species Beauveria bassiana, Metarhizium anisopliae and Isaria fumosorosea, we first estimated the LC50 for CLas‐free adults of D. citri. The lowest LC50 (1 × 104 conidia/mL) value was used to inoculate CLas‐free and CLas‐carrying adults of D. citri and their relative susceptibility was compared. CLas‐carrying adults were more susceptible than CLas‐free adults of D. citri to all three fungal isolates. The possibility of CLas exploiting D. citri as an alternative host, therefore ensuring its dispersal and survival, is discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agricultural and Forest Entomology Wiley

Diaphorina citri populations carrying the bacterial plant pathogen Candidatus Liberibacter asiaticus are more susceptible to infection by entomopathogenic fungi than bacteria‐free populations

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References (29)

Publisher
Wiley
Copyright
© 2016 The Royal Entomological Society
ISSN
1461-9555
eISSN
1461-9563
DOI
10.1111/afe.12138
Publisher site
See Article on Publisher Site

Abstract

The presence of Candidatus Liberibacter asiaticus (CLas) modifies the susceptibility of Diaphorina citri to fungal infection. Using one isolate of each the fungal species Beauveria bassiana, Metarhizium anisopliae and Isaria fumosorosea, we first estimated the LC50 for CLas‐free adults of D. citri. The lowest LC50 (1 × 104 conidia/mL) value was used to inoculate CLas‐free and CLas‐carrying adults of D. citri and their relative susceptibility was compared. CLas‐carrying adults were more susceptible than CLas‐free adults of D. citri to all three fungal isolates. The possibility of CLas exploiting D. citri as an alternative host, therefore ensuring its dispersal and survival, is discussed.

Journal

Agricultural and Forest EntomologyWiley

Published: Feb 1, 2016

Keywords: ; ; ;

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