Environments,
Journal Year:
2023,
Volume and Issue:
11(1), P. 5 - 5
Published: Dec. 26, 2023
The
extensive
use
of
fungicides
causes
their
continuous
release
into
the
environment
through
spraying,
soil
seepage,
leaching,
and
runoff.
It
has
been
observed
that
residues
can
be
found
in
foods
a
variety
environmental
compartments,
such
as
wastewater,
lakes,
rivers,
sediments,
drinking
water
sources
(groundwater
surface
water),
treated
water,
water.
A
sensitive
GC-MS/MS,
using
dynamic
multiple
reaction
monitoring,
an
analytical
method
was
developed
to
determine
10
(azoxystrobin,
boscalid,
captan,
cyproconazole,
cyprodinil,
hexaconazole,
metalaxyl,
myclobutanil,
paclobutrazol,
prochloraz)
solid-phase
extraction
for
sample
preparations
validations
performed
according
SANTE
2019
guidelines.
All
demonstrated
mild
or
medium
matrix
effects
(ME)
ranging
from
40.1%
11.2%.
Their
recoveries
ranged
between
60%
110%.
limits
detection
were
equal
higher
than
0.01
μg/L.
employed
on
18
samples
collected
public
taps
Northern
Evros,
Greece,
distributed
six
sampling
sites.
Azoxystrobin,
cypronidil,
paclobutrazol
mean
concentrations
did
not
surpass
allowable
limit
0.1
μg/L
set
by
EU
any
site.
Hexaconazole
one
site,
while
prochloraz
concentration
showed
exceedances
all
Captan
detected
myclobutanil
permissible
four
presence
fungicide
studied
area
is
mainly
due
occasional
point-sources
pollution
preferential
flow.
Additionally,
risk
pesticides
human
health
assessed
two
different
age
groups.
sum
hazard
quotient
values
each
less
unity.
Consequently,
acute
assessment
procedure
regards
examined
safe.
Nevertheless,
carcinogenic
safe
suggested
USEPA
both
groups,
existence
raises
concerns
about
chronic
toxicity.
Environmental Research,
Journal Year:
2024,
Volume and Issue:
247, P. 118275 - 118275
Published: Jan. 19, 2024
The
study
investigated
the
dissipation
ability
of
a
vegetated
free
water
surface
(FWS)
constructed
wetland
(CW)
in
treating
pesticides-contaminated
agricultural
runoff/drainage
rural
area
belonging
to
Bologna
province
(Italy).
experiment
simulated
0.1%
pesticide
event
from
12.5-ha
farm
by
dissolving
acetamiprid,
metalaxyl,
S-metolachlor,
and
terbuthylazine
1000
L
pumping
it
into
CW.
Water
sediment
samples
CW
were
collected
for
4
months
at
different
time
intervals
determine
concentrations
multiresidue
extraction
chromatography-mass
spectrometry
analyses.
In
parallel,
no
active
compounds
detected
sediments
during
experimental
period.
Pesticides
compartment
was
modeled
according
best
data
practices
fitting
Single
First
Order
(SFO),
Multi-Compartment
(FOMC)
Double
Parallel
(DFOP)
kinetic
models.
SFO
(except
metalaxyl),
FOMC
DFOP
models
adequately
predicted
four
molecules,
with
model
that
better
fitted
observed
data.
distribution
each
between
biomass
highly
correlated
environmental
indexes
as
Kow
bioconcentration
factor.
Computed
DT50
2.169,
8.019,
1.551
2.047
days
terbuthylazine,
respectively.
Although
exact
degradation
mechanisms
require
further
study,
FWS
found
be
effective
within
an
acceptable
time.
Therefore,
this
technology
proved
valuable
tool
mitigating
pesticides
runoff
occurring
after
intense
rain
events.
Environments,
Journal Year:
2025,
Volume and Issue:
12(5), P. 133 - 133
Published: April 22, 2025
Grape
cultivation
is
crucial
due
to
its
significant
dietary
benefits
and
the
production
of
various
byproducts.
Fungicides,
like
boscalid,
are
frequently
applied
protect
grape
crops
from
several
disease,
ensuring
both
yield
quality.
However,
excessive
or
inappropriate
application
boscalid
may
pose
health
risks
humans.
Therefore,
objectives
this
field
study
were
(a)
assess
pre-harvest
interval
(PHI)
dissipation
in
two
table-grape
varieties
(Soultanina
Crimson)
under
conditions
(b)
evaluate
potential
associated
with
consumption
for
adults
children.
The
residue
grapes
was
determined
using
a
modified
QuEChERS
method
coupled
high-performance
liquid
chromatography
diode
array
detector
(HPLC–DAD).
followed
first-
second-order
kinetics,
half-lives
ranging
3.32
6.42
days
PHIs
8.11
10.90
days.
risk
assessment
indicated
that
early
mid-post
period
could
age
groups,
children
facing
three
times
adults.
Environments,
Journal Year:
2024,
Volume and Issue:
11(1), P. 18 - 18
Published: Jan. 18, 2024
The
use
of
selective
herbicides
is
one
the
best
methods
for
weed
management.
However,
extensive
can
have
adverse
impacts
on
non-target
organisms.
goals
this
study
were
to
assess
dissipation
kinetics,
leaching,
and
ecological
risk
assessment
S-metolachlor
benfluralin
residues
in
silty
loam
soil
planted
with
chickpea
(Cicer
arietinum
L.).
experimental
setup
included
four
different
layers
replications
corresponding
an
randomized
complete
block
design
consisting
16
plots.
application
doses
1350
1920
g
a.i./ha,
respectively,
according
manufacturer
recommendations.
Soil
samples
split
into
depths,
0
20
cm
(Layer
A),
40
B),
60
C),
80
D),
determine
kinetics
leaching
behavior
herbicides.
Gas
chromatography
coupled
electron
capture
detector
(GC-ECD)
method
was
developed
validated
determination
soil.
analytes
extracted
from
distilled
water
ethyl
acetate
followed
by
solid-phase
extraction
(SPE).
limit
quantification
(LOQ)
0.1
μg/g,
recoveries
ranges
81%
97%
88%
101%,
relative
standard
deviations
(RSD)
less
than
9.7%.
(0–20
cm)
first-order
half-lives
21.66
30.13
days,
respectively.
results
obtained
20–80
profile
showed
that
both
presented
high
following
preferential
flow.
Also,
a
conducted
top
0–20
profile,
estimating
toxicity–exposure
ratio
(TER)
organisms
quotient
(RQ).
mean
herbicide
levels
found
at
studied
days
(2
h)
experiment
used
assessment.
In
first
case,
pesticide
concentration
(MPC)
gives
worst-case
scenario
(ws);
second
(ds)
given
using
respective
MPC.
all
cases,
TER
RQ
values
corresponds
higher
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(2), P. 594 - 594
Published: Jan. 10, 2024
Antifungals
support
modern
medical
and
agricultural
practices,
extensive
screening
environmental
data
are
missing.
This
work
aims
to
survey
antifungals
for
purposes
in
surface-
groundwater
Portugal.
A
passive
sampling
technique
a
high-resolution
chromatographic
system
were
used.
applied
practice
not
detected
as
only
(fungicides).
Thirty-nine
different
fungicide
molecules
found;
its
detection
frequency
was
dominated
by
rabenzazole
(61%,
92%)
ethoxyquin
(54%,
77%);
among
the
five
fungicides
with
similar
catching
rates,
ferimzone
most
polluting
54%);
oxadixyl
(61%),
kresoxim-methyl
(61%)
fenamidone
(46%)
primarily
designated
surface
water
contaminants;
azoles,
occurrence
ranged
from
residual
(10%)
moderate
rate
two
compounds
(31%—propiconazole
tebuconazole).
Surprisingly,
51%
of
authorised.
The
frequently
that
either
authorised
(ethoxyquin
impurity,
furmecyclox,
oxadixyl),
without
EU
(rabenzazole,
ferimzone),
or
at
national
level
(fenamidone),
should
be
included
monitoring
programmes
followed
emerging
(micro)contaminants.
Policy
makers
gather
their
efforts
allow
implementation
proper
risk
management
effective
contamination
control
strategies
achieve
Sustainable
Development
Goals.
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(9), P. 1445 - 1445
Published: Aug. 24, 2024
Fungicides
play
a
role
in
managing
plant
diseases
but
raise
concerns
about
environmental
impact,
emphasizing
the
need
to
understand
and
minimize
their
effects
on
non-target
ecosystems.
Flutriafol
is
fungicide
used
combat
fungal
crops.
It
has
two
enantiomers
that
exhibit
different
levels
of
efficacy
impact.
This
study
focuses
evaluating
doses
flutriafol
soil
microorganism
populations
enzyme
activity
possible
specificity
enantiomer
interactions
with
enzymes
by
combining
experimental
computational
approaches.
The
population
were
experimentally
assessed.
Molecular
docking
was
assess
stereoselectivity
interactions.
Regardless
dose
(normal
recommended
manufacturer
for
cereal
crops,
half
this
dose,
double
dose),
had
no
significant
impact
microbial
communities
or
catalase
activity.
produced
increases
dehydrogenases
(8%),
phosphatases
(26%),
urease
(33%)
during
first
7
days
incubation.
showed
both
able
bind
active
sites
phosphatases.
average
value
interaction
energy
observed
(R)-flutriafol
−7.85
kcal/mol,
compared
−7.45
kcal/mol
(S)-flutriafol
these
enzymes.
Similarly,
obtained
phosphatase
−9.16
−9.04
enzyme.
confirms
implement
optimized
application
practices
when
using
considering
most
effective
target
organism
less
toxic