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Prevalence of entomophthoralean fungi (Entomophthoromycota) of aphids in relation to developmental stages

BACKGROUND: Transmission of fungal pathogens of aphids may be affected by the host developmental stage. Brassica and Lactuca sativa L. crops were sampled in Santa Fe, Argentina, to determine the prevalence of fungal‐diseased aphids and investigate the differences between developmental stages of aphi...

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Main Authors: Manfrino, Romina Guadalupe, Gutierrez, Alejandra Concepción, Rueda Páramo, Manuel Enrique, Salto, Cesar Eduardo, Lopez Lastra, Claudia Cristina
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Wiley 2019
Subjects:
Hongos Entomopatogenos
Aphididae
Etapas de Desarrollo
Horticultura
Entomogenous Fungi
Developmental Stages
Horticulture
Online Access:http://hdl.handle.net/20.500.12123/4672
https://onlinelibrary.wiley.com/doi/abs/10.1002/ps.4188
https://doi.org/10.1002/ps.4188
Summary:BACKGROUND: Transmission of fungal pathogens of aphids may be affected by the host developmental stage. Brassica and Lactuca sativa L. crops were sampled in Santa Fe, Argentina, to determine the prevalence of fungal‐diseased aphids and investigate the differences between developmental stages of aphids. RESULTS: The fungal pathogens identified were Zoophthora radicans (Bref.) A. Batko, Pandora neoaphidis (Remaud. & Hennebert) Humber and Entomophthora planchoniana Cornu. Their prevalence on each crop was calculated. The numbers of infected aphids were significantly different between the different developmental stages on all crops except B. oleracea var. botrytis L. CONCLUSIONS: The entomophthoralean fungi identified are important mortality factors of aphids on horticultural crops in Santa Fe. The numbers of infected nymphs and adults were significantly different, nymphs being the most affected developmental stage

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