Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Июнь 8, 2022
Abstract
Methods
used
to
control
natural
enemies;
insects
in
particular,
have
been
mainly
chemical.
Given
the
irritations
associated
with
use
of
pesticides,
a
search
for
alternatives
is
required,
particularly
through
plant
extracts.
The
present
study
focused
on
comparing
insecticidal
power
aqueous
extracts
Dittrichia
viscosa
combination
bio-adjuvant
Silene
fuscata
and
synthetic
pesticide
Thiamethoxam/
Lambda-cyhalothrin
abundance,
biochemical
life
traits
demographic
parameters
winter
phenotype
Chaitophorus
leucomelas
.
results
show
strong
effect
abundance
,
well
pronounced
activity
under
extract
ratio
/
Silena
Lipid
carbohydrate
energy
biomarkers
sexuparae
undergo
changes
depending
products
used,
very
significant
disturbing
action
product
compared
fecundity
C.
shows
remarkable
disturbance
active
ingredient
also
confirm
that
applied
cause
growth
rate
(r
m
)
reproduction
(R
0
females,
chemical
treatment
having
strongest
effect.
full
dose
causes
disturbances
multiplication
(λ)
mean
generation
time
(T)
other
molecules.
Some
stability
reported
doubling
(DT)
treated
females
ones.
Heliyon,
Год журнала:
2023,
Номер
9(3), С. e13783 - e13783
Опубликована: Фев. 16, 2023
The
objective
was
to
compare
the
types
and
concentrations
of
pesticides
allowed
in
water
potability
standard
for
human
supply
Brazil
with
other
countries
considered
be
largest
consumers
dollars
invested
purchase/trade.
This
is
a
descriptive
documentary
study,
data
collection
regulations
available
official
government
websites
Brazil,
USA,
China,
Japan,
France,
Germany,
Canada,
Argentina,
India,
Italy,
World
Health
Organization
(WHO).
Since
France
Italy
are
part
European
Union
(EU),
legislative
resolution
Parliament
adopted.
Pesticides
number
maximum
permitted
values
(MPV)
differ
between
WHO.
In
Brazilian
ordinance
there
forty
pesticides,
like
WHO,
but
that
represents
only
8%
total
registered
agricultural
use
Brazil.
When
comparing
EU
same
Aldrin
+
Dieldrin.
For
other,
amounts
2
5000
times
more
do
not
establish
value
mixture
water,
individual
limits,
which
together
can
reach
1677.13
μg/L,
while
standards
it
0.5
μg/L.
study
showed
discrepancies
countries,
features
12
as
WHO
guidelines,
thus,
worldwide
standardization
necessary
promote
health
reducing
risk
exposure.
Bulletin of Environmental Contamination and Toxicology,
Год журнала:
2022,
Номер
109(6), С. 1001 - 1009
Опубликована: Сен. 18, 2022
This
study
aimed
to
examine
the
side
effects
of
selected
neonicotinoids
(Acetamiprid,
Aceta,
and
Imidacloprid,
Imid)
on
Oreochromis
niloticus
juveniles.
The
acute
toxicity,
Probit
method,
revealed
an
LC50
195.81
150.76
ppm
for
Aceta/96
h
Imid/72
respectively.
fish
were
divided
into
three
groups
that
exposed,
21
days
(n
=
5/replicate),
1/10
either
neonicotinoids,
however,
third
was
unexposed
control
group.
Results
erythrocytic
micronucleus
(MN),
nuclear
abnormalities
(NA)
showed
Aceta
Imid
exposure
caused
a
significant
(p
<
0.05)
increase
in
MN
by
~
2.2
10
folds,
respectively
relative
control.
NAs
occurred
at
order
kidney-shaped
>
budding
binucleated
noticed
Histopathological
changes
gills,
liver,
muscles
observed
significantly
both
exposed
with
more
severity
Collectively,
have
potential
genotoxicity
histopathological
alterations
O.
niloticus.
Abstract
The
investigation
of
the
toxic
potential
a
newly
introduced
herbicide,
Florpyrauxifen-benzyl
(FPX),
on
Nile
tilapia
(
Oreochromis
niloticus
)
was
aim
this
study.
For
96
h,
median
lethal
concentration
(LC
50
assessed
in
fish
juveniles
using
Probit
analysis
following
exposure
to
five
concentrations
FPX
(2–3
ppm).
investigating
some
mechanisms
toxicity,
were
allocated
into
three
groups
(0,
0.27
and
0.54
ppm
FPX)
cut-off
intervals
at
7
15
days.
Liver
malondialdehyde
(MDA)
reduced
glutathione
(GSH)
levels
assessed.
In
addition,
superoxide
dismutase
(SOD)
catalase
(CAT)
evaluated
both
transcriptional
enzymatic
activity
levels.
Histopathological
effects
liver
erythrocytic
nuclear
abnormalities
(ENAs)
monitored
too.
96h-LC
found
be
2.61
ppm,
revealing
tilapia.
Concentrations
induced
oxidative
stress
by
altering
activities
antioxidant
enzymes
their
transcripts.
genotoxic
effect
evidenced
significant
P
<
0.05)
increase
micronuclei
(MNs)
ENA
frequencies.
Significant
histopathological
alterations
observed
concentrations,
with
highest
FPX.
Results
suggest
that
may
exert
oxidative,
genotoxic,
non-targeted
species
such
as
if
it
is
used
improperly.
Although
could
an
indicator
for
materials
aquatic
habitat,
future
studies
other
organisms,
or
durations
are
recommended.
Revista Científica de la Facultad de Ciencias Veterinarias,
Год журнала:
2025,
Номер
35(1), С. 7 - 7
Опубликована: Март 23, 2025
Klaxon
pesticide
represents
a
novel
generation
of
insecticide
employed
in
the
control
diseases,
pests
and
weeds
select
agricultural
regions.
Pesticides
that
enter
aquatic
environment
indirectly
have
detrimental
impact
on
organisms
inhabit
this
environment,
humans
are
ultimately
exposed
to
these
chemicals
through
food
chain.
The
present
study
investigated
toxicity
klaxon
Dreissena
polymorpha,
suitable
bioindicator
water
pollution,
analysis
oxidative
stress
metabolic
biomarkers.
effects
at
concentrations
0.01,
0.15
0.30
mg·L-1
antioxidant
changes
D.
polymorpha
were
determined
over
24
–
96–hour
period.
Enzyme–linked
immunosorbent
assay
(ELISA)
kits
quantify
activities
superoxide
dismutase
(SOD),
glutathione
peroxidase
(GPx),
catalase
(CAT)
thiobarbituric
acid
(TBARS),
as
well
assess
levels
reduced
(GSH).
ELISA
used
determine
results.
Statistical
evaluation
biomarker
analyzes
was
performed
using
SPSS
24.0
package
program
one–way
ANOVA
(Duncan
0.05)
test.
Significant
decreases
GSH
(P<0.05);
significant
increases
TBARS
(P<0.05)
observed.
SOD,
CAT
GPx
Considering
data,
it
penetrating
body
living
organism
caused
enzyme
polymorpha.
Ciência e Natura,
Год журнала:
2023,
Номер
45, С. e2 - e2
Опубликована: Фев. 1, 2023
Over
the
years
Brazil
has
become
one
of
largest
agricultural
producers
and
exporters
in
world.
At
same
time,
there
was
a
significant
increase
use
pesticides
to
productivity
at
harvest.
In
this
context,
is
great
concern
about
human
health,
fauna,
flora,
since
inputs
can
go
through
different
chemical
processes
migrate
various
environmental
compartments.
paper
addresses
review
studies
that
have
reported
presence
compartments
such
as
water
(surface
irrigation),
soil,
food.
The
detected
concentrations,
Maximum
Residue
Limit
(MRL),
current
legislation,
values
of
Estimated
Daily
Intake
(ADI)
or
Acceptable
are
presented.
general,
it
observed
DDTs
their
metabolites
were
concentrations
beyond
MRL,
followed
by
atrazine.
Regarding
intake
estimates,
greater
with
children
they
more
vulnerable,
due
low
body
weight
when
compared
adults.
Finally,
consider
cumulative
effect
needed
better
assess
components
diet
potential
adverse
effects
on
health
population.
