Journal
JOURNAL OF INVERTEBRATE PATHOLOGY
Volume 92, Issue 1, Pages 50-54Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jip.2006.01.007
Keywords
Eisenia fetida; Spodoptera littoralis; Steinernema feltiae; dispersal; earthworm; entomopathogenic nematodes; phoretic association
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The free-living stage of entomopathogenic nematodes occurs in soil, and is an environmental-friendly alternative for biological control. However, their dispersal capability is limited. Earthworms improve soil characteristics, changing soil structure and influencing many edaphic organisms. Thus, earthworms could be used as vectors to introduce/disperse beneficial organisms. Nevertheless this interaction has not been studied in detail. This study presents the infectivity results of Steinernema feltiae after passing through the Eisenia fetida gut. Although entomopathogenic nematodes have no deleterious effects on earthworms, their passage through E. fetida gut seriously affected their mobility and virulence. (c) 2006 Elsevier Inc. All rights reserved.
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