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@ARTICLE{Zaller:819630,
author = {Zaller, Johann G. and König, Nina and Tiefenbacher,
Alexandra and Muraoka, Yoko and Querner, Pascal and
Ratzenböck, Andreas and Bonkowski, Michael and Koller,
Robert},
title = {{P}esticide seed dressings can affect the activity of
various soil organisms and reduce decomposition of plant
material},
journal = {BMC ecology},
volume = {16},
number = {1},
issn = {1472-6785},
address = {London},
publisher = {BioMed Central},
reportid = {FZJ-2016-05245},
pages = {37},
year = {2016},
abstract = {BackgroundSeed dressing with pesticides is widely used to
protect crop seeds from pest insects and fungal diseases.
While there is mounting evidence that especially
neonicotinoid seed dressings detrimentally affect insect
pollinators, surprisingly little is known on potential side
effects on soil biota. We hypothesized that soil organisms
would be particularly susceptible to pesticide seed
dressings as they get in direct contact with these
chemicals. Using microcosms with field soil we investigated,
whether seeds treated either with neonicotinoid insecticides
or fungicides influence the activity and interaction of
earthworms, collembola, protozoa and microorganisms. The
full-factorial design consisted of the factor Seed dressing
(control vs. insecticide vs. fungicide), Earthworm (no
earthworms vs. addition Lumbricus terrestris L.) and
collembola (no collembola vs. addition Sinella curviseta
Brook). We used commercially available wheat seed material
(Triticum aesticum L. cf. Lukullus) at a recommended seeding
density of 367 m−2.ResultsSeed dressings (particularly
fungicides) increased collembola surface activity, increased
the number of protozoa and reduced plant decomposition rate
but did not affect earthworm activity. Seed dressings had no
influence on wheat growth. Earthworms interactively affected
the influence of seed dressings on collembola activity,
whereas collembola increased earthworm surface activity but
reduced soil basal respiration. Earthworms also decreased
wheat growth, reduced soil basal respiration and microbial
biomass but increased soil water content and electrical
conductivity.ConclusionsThe reported non-target effects of
seed dressings and their interactions with soil organisms
are remarkable because they were observed after a one-time
application of only 18 pesticide treated seeds per
experimental pot. Because of the increasing use of seed
dressing in agriculture and the fundamental role of soil
organisms in agroecosystems these ecological interactions
should receive more attention.},
cin = {IBG-2},
ddc = {570},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000381816800001},
pubmed = {pmid:27534619},
doi = {10.1186/s12898-016-0092-x},
url = {https://juser.fz-juelich.de/record/819630},
}