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Prevalence of entomophthoralean fungi (Entomophthoromycota) of aphids in relation to developmental stages
Author(s) -
Manfrino Romina G,
Gutierrez Alejandra C,
Rueda Páramo Manuel E,
Salto César E,
López Lastra Claudia C
Publication year - 2016
Publication title -
pest management science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.296
H-Index - 125
eISSN - 1526-4998
pISSN - 1526-498X
DOI - 10.1002/ps.4188
Subject(s) - biology , nymph , developmental stage , entomophthorales , botrytis , lactuca , host (biology) , crop , botany , brassica , botrytis cinerea , horticulture , agronomy , biological pest control , ecology , psychology , developmental psychology
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. © 2015 Society of Chemical Industry
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