Natural occurrence of entomophthoroid fungi (Entomophthoromycota) of aphids (Hemiptera: Aphididae) on cereal crops in Argentina

Authors
Manfrino, Romina Guadalupe; Hatting, J.L.; Humber, Richard; Salto, Cesar Eduardo; Lopez Lastra, Claudia Cristina
Publication Year
2014
Language
English
Format
article
Status
Published version
Description
The spectrum of entomophthoroid fungal species parasitising aphids on cereal crops and a study of the phenology and prevalence of these pathogens were investigated in Argentina. The studies were conducted at six different sites cultivated with crops of Triticum aestivum (wheat), Avena sativa (oats) and Sorghum bicolor (sorghum) during two consecutive years. Entomopathogenic fungi from the new phylum Entomophthoromycota were recorded from six aphid species on cereals in Argentina: Rhopalosiphum maidis, Rhopalosiphum padi, Rhopalosiphum rufiabdominalis, Schizaphis graminum, Sitobion avenae and Sipha maydis. Three species of entomophthoroid fungi were found infecting these aphid species: Pandora neoaphidis, Zoophthora radicans (Entomophthorales: Entomophthoraceae) and Neozygites fresenii (Neozygitales: Neozygitaceae). Entomophthoroid fungal infections occurred mostly in autumn–winter seasons (March–August), and coincided with periods of high relative humidity and comparatively low temperatures. This study represents the first base‐line characterisation of entomophthoroid fungi infecting aphids on cereal crops in Argentina.
EEA Rafaela
Fil: Manfrino, Romina Guadalupe. INTA. Estación Experimental Agropecuaria Rafaela. Área Investigación Agronomía. Protección Vegetal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Estudios Parasitológicos y de Vectores; Argentina
Fil: Hatting, J. L.. South African Agricultural Research Council. Small Grain Institute; Sudáfrica
Fil: Humber, Richard. United States Department Of Agriculture. Agricultural Research Service. Robert W. Holley Center for Agriculture and Health; Estados Unidos
Fil: Salto, Cesar Eduardo. INTA. Estación Experimental Agropecuaria Rafaela. Área Investigación Agronomía. Protección Vegetal; Argentina; Argentina
Fil: Lopez Lastra, Claudia Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico La Plata. Centro de Estudios Parasitológicos y de Vectores; Argentina
Source
Annals of Applied Biology 164 (1) : 151-158 (January 2014)
Subject
Hongos Entomopatogenos
Cultivos de Cereales
Aphididae
Trigo
Avena
Sorghum
Sorgos
Entomogenous Fungi
Cereal Crops
Wheat
Avenas
Afidos
Argentina
Access level
Restricted access
License
Repository
INTA Digital (INTA)
Institution
Instituto Nacional de Tecnología Agropecuaria
OAI Identifier
oai:localhost:20.500.12123/3340