The occurrence of two species of Entomophthorales (Entomophthoromycota), pathogens of Sitobion avenae and Myzus persicae (Hemiptera: Aphididae), in Tunisia. - 2013
The occurrence of two species of Entomophthorales (Entomophthoromycota), pathogens of Sitobion avenae and Myzus persicae (Hemiptera: Aphididae), in Tunisia.
Ben Fekih, Ibtissem; Boukhris-Bouhachem, Sonia; Eilenberg, Jørgenet al.
2013 • In BioMed Research International, 2013, p. 838145
[en] The natural occurrence of entomophthoralean fungi pathogenic towards aphids on cereal and potato crops was investigated in the years 2009, 2010, and 2011. Infected aphids were sampled in three bioclimatic zones in Tunisia (Beja, Cap bon, and Kairouan) and fungal species were determined based on morphological characters such as shape, size, and number of nuclei in the primary conidia. Polymerase Chain Reaction (PCR) on the internal transcribed spacer 1 region (ITS1) was used to verify morphological determination. Both methods gave consistent results and we documented for the first time the natural occurrence of two fungal species from the order Entomophthorales (phylum Entomophthoromycota), Pandora neoaphidis and Entomophthora planchoniana. Both fungi were recorded on the aphid species Sitobion avenae and Myzus persicae on barley ears and potato leaves, respectively. Moreover, natural mixed infections by both species (P. neoaphidis and E. planchoniana) were documented on the target aphids. This investigation provides basic information of entomopathogenic fungi infecting economically important aphids in Tunisia.
Disciplines :
Entomology & pest control
Author, co-author :
Ben Fekih, Ibtissem ; Université de Liège - ULiège > Département GxABT > Gestion durable des bio-agresseurs ; Plant Protection Laboratory of National Institute of Agricultural Research of Tunisia, Ariana, Tunisia. fekih.ibtissem@gmail.com
Boukhris-Bouhachem, Sonia ; Plant Protection Laboratory of National Institute of Agricultural Research of Tunisia, 2049 Ariana, Tunisia
Eilenberg, Jørgen; Department of Plant and Environmental Sciences, University of Copenhagen, 1871 Frederiksberg, Denmark
Allagui, Mohamed Bechir; Plant Protection Laboratory of National Institute of Agricultural Research of Tunisia, 2049 Ariana, Tunisia
Jensen, Annette Bruun ; Department of Plant and Environmental Sciences, University of Copenhagen, 1871 Frederiksberg, Denmark
Language :
English
Title :
The occurrence of two species of Entomophthorales (Entomophthoromycota), pathogens of Sitobion avenae and Myzus persicae (Hemiptera: Aphididae), in Tunisia.
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