Plants,
Journal Year:
2024,
Volume and Issue:
13(24), P. 3483 - 3483
Published: Dec. 12, 2024
In
order
to
reveal
the
effects
of
microplastics
(MPs)
on
growth
and
rhizosphere
soil
environmental
wheat
(Triticum
aestivum
L.),
three
microplastic
types
(polypropylene
MPs
(PP-MPs),
high-density
polyethylene
(HDPE-MPs),
polylactic
acid
(PLA-MPs)),
particle
sizes
(150,
1000,
4000
μm),
concentrations
(0.1,
0.5,
1
g·kg−1)
were
selected
for
a
pot
experiment
under
natural
environment
conditions.
The
differences
in
germination
rate
(GR),
inhibition
(GIR),
characteristics,
physicochemical
properties,
enzymatic
activities
analyzed
using
statistical
analysis
variance
analysis.
results
show
that
seeds
decreased
different
MPs,
HDPE-MPs,
medium
size
(1000
concentration
(0.5
had
greatest
inhibitory
effect
seed
germination.
characteristics
inconsistent;
potential
(GP),
index
(GI),
vitality
(VI)
showed
significant
decreasing
trend
PLA-MPs
medium-concentration
treatment,
while
mean
time
(MGT)
increasing
trend;
GP
MGT
high-particle-size
(4000
μm)
respectively,
GI
VI
medium-particle-size
treatment.
plants
with
SPAD,
nitrogen
leaves,
plant
height
most
PLA-MP
SPAD
leaves
low-particle-size
(150
low-concentration
(0.1
treatments,
decreases
high-concentration
(1
treatments
being
largest.
There
trends
ammonium
(NH4+),
total
phosphorus
(TP),
urease
(S-UE),
phosphatase
(S-ACP),
sucrase
(S-SC)
microplastics,
nitrate
(NO3−)
pH;
there
was
(TN)
HDPE-MPs
PLA-MPs,
each
concentration,
catalase
(S-CAT).
research
could
provide
certain
data
theoretical
bases
evaluating
crop
ecological
environments.
Waste Management & Research The Journal for a Sustainable Circular Economy,
Journal Year:
2024,
Volume and Issue:
42(8), P. 634 - 650
Published: March 22, 2024
The
extensive
use
of
plastic
materials
and
their
improper
disposal
results
in
high
amounts
waste
the
environment.
Aging
plastics
leads
to
breakdown
into
smaller
particles,
such
as
microplastics
(MPs)
nanoplastics.
This
research
investigates
used
agricultural
practices
they
contribute
MP
pollution
soils.
distribution
characteristics
MPs
soils
were
evaluated.
In
addition,
effect
on
soil
properties,
relationship
between
metals
soil,
fate
pesticides
influence
plant
growth
analysed,
discussing
legume,
cereal
vegetable
crops.
Finally,
a
brief
description
main
methods
chemical
analysis
identification
is
presented.
study
will
better
understanding
soil-plant
system.
changes
induced
by
parameters
can
lead
potential
benefits
it
possible
increase
availability
micronutrients
reduce
uptake
toxic
elements.
Furthermore,
although
remains
an
emerging
threat
ecosystems,
presence
may
result
soils,
highlighting
principles
circular
economy.
Journal of Environmental Quality,
Journal Year:
2024,
Volume and Issue:
53(6), P. 1048 - 1072
Published: Sept. 8, 2024
Abstract
The
present
review
discusses
the
growing
concern
of
microplastics
(MPs)
and
nanoplastics
(NPs)
in
soil,
together
with
their
sources,
concentration,
distribution,
impact
on
soil
microorganisms,
human
health,
ecosystems.
MPs
NPs
can
enter
through
various
pathways,
such
as
agricultural
activities,
sewage
sludge
application,
atmospheric
deposition.
Once
they
accumulate
upper
layers
affect
structure,
water
retention,
nutrient
availability.
presence
also
have
ecological
consequences,
acting
carriers
for
pollutants
contaminants,
heavy
metals
persistent
organic
pollutants.
Additionally,
leaching
chemicals
additives
from
pose
public
health
risks
food
web
groundwater
contamination.
detection
analyses
be
challenging,
methods
involve
spectroscopic
microscopy
techniques,
Fourier‐transform
infrared
spectroscopy
scanning
electron
microscopy.
To
mitigate
effects
it
is
essential
to
reduce
plastic
waste
production,
improve
management
practices,
adopt
sustainable
practices.
Effective
mitigation
measures
include
implementing
stricter
regulations
use,
promoting
biodegradable
alternatives,
enhancing
recycling
infrastructure.
amendments,
biochar
compost,
help
immobilize
NPs,
reducing
mobility
bioavailability.
This
article
aims
provide
a
comprehensive
understanding
these
emerging
environmental
issues
identify
potential
solutions
alleviate
ecosystem
functioning,
community
health.
Microplastics
(MPs)
are
defined
as
minute
plastic
particles
that
typically
exhibit
dimensions
span
from
1
μm
to
5
mm.
The
aforementioned
materials
insolubility
in
aqueous
media
and
can
be
subdivided
into
primary
particles,
generated
initially
at
diminutive
dimensions,
secondary
formed
a
consequence
of
the
disintegration
larger
constituents.
tend
accumulate
various
ecosystems,
including
those
freshwater
origin,
subsequently
become
subject
degradation.
Given
their
omnipresence,
ecosystems
represent
paramount
facet
human
existence
remain
persistently
vulnerable
presence
particles.
MP
pollution
is
regarded
major
global
concern
contemporary
times
due
its
detrimental
impacts
on
all
facets
ecosystem.
deleterious
effects
primarily
associated
with
toxic
nature
MPs,
which
pose
grave
threat
components
said
environment.
present
chapter
elucidates
upon
contaminants
emerging
concern,
specifically
regard
MPs.
toxicity
mechanism
action
these
comprehensively
discussed,
along
biodegradation
mechanism.
repercussions
exposure
indigenous
aquatic
life
forms,
autotrophic
organisms
flora
fauna
within
environment,
also
examined
detail.
degree
inflicted
by
microplastics
contingent
species
exposed
well
manner
exposure.
iMetaOmics.,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 28, 2024
Abstract
The
increasing
accumulation
of
microplastics
in
agricultural
soils
potentially
threatens
crop
safety
and
quality.
However,
studies
regarding
the
molecular
mechanisms
underlying
effects
conventional
biodegradable
on
plant
growth
remain
limited.
Herein,
we
estimated
polybutylene
adipate
terephthalate,
poly
(butylene
succinate),
polylactic
acid,
non‐biodegradable
polyethylene
polystyrene
(at
a
concentration
1%
[w/w])
physiological
performance
maize
(
Zea
mays
L
.).
In
addition,
studied
these
maize.
Exposure
to
induced
production
antioxidant
enzymes
antioxidants
at
varying
levels
While
systems
were
against
microplastic
exposure,
photosynthesis
was
relatively
more
important
for
treatments.
Additionally,
metabolomics
transcriptomic
analyses
revealed
that
pathways
secondary
metabolite
biosynthesis,
photosynthesis,
energy
metabolism,
carbohydrate
metabolism
regulated
by
microplastics.
Specifically,
hormone
signal
transduction
mitogen‐activated
protein
kinase
signaling
pathways.
Our
results
further
indicated
could
impact
through
changing
soil
environmental
variables
or
altering
microbial
communities.
This
study
provides
molecular‐scale
perspective
responses
crops
contamination,
findings
will
contribute
ecological
risk
assessment
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
Both
PE
and
antibiotics
accumulate
in
agricultural
soil
systems
over
time
can
affect
plant
growth
development.
However,
the
single
combined
contamination
of
with
(OTC,
SM2)
on
wheat
(Triticum
aestivum
L.)
seedlings
is
not
well
studied.
In
this
study,
we
evaluated
phytotoxic
effects
(0.2%,
1%,
2%,
5%
w/w)
alone
combination
OTC
SM2
(1
mg·kg−
1、10mg·kg−
1)
for
28d
seedlings,
chlorophyll,
N
C
contents,
antioxidant
status
through
a
pot
experiment.
toxicity
effects.
The
results
showed
that
biomass,
height
root
length
exhibited
dose-dependent
under
exposure
(OTC
or
SM2).
Malondialdehyde
(MDA)
content
as
superoxide
dismutase
(SOD),
peroxidase
(POD)
catalase
(CAT)
activities
aboveground
increased
increasing
concentrations
PE,
SM2,
SOD
activity
decreasing
at
+
compliance
treatments.
These
suggest
pairs
inhibit
growth,
reduce
chlorophyll
production,
exacerbate
lipid
peroxidation,
even
destroy
system.
Moreover,
were
generally
more
sensitive
to
than
OTC.
Plants,
Journal Year:
2024,
Volume and Issue:
13(24), P. 3483 - 3483
Published: Dec. 12, 2024
In
order
to
reveal
the
effects
of
microplastics
(MPs)
on
growth
and
rhizosphere
soil
environmental
wheat
(Triticum
aestivum
L.),
three
microplastic
types
(polypropylene
MPs
(PP-MPs),
high-density
polyethylene
(HDPE-MPs),
polylactic
acid
(PLA-MPs)),
particle
sizes
(150,
1000,
4000
μm),
concentrations
(0.1,
0.5,
1
g·kg−1)
were
selected
for
a
pot
experiment
under
natural
environment
conditions.
The
differences
in
germination
rate
(GR),
inhibition
(GIR),
characteristics,
physicochemical
properties,
enzymatic
activities
analyzed
using
statistical
analysis
variance
analysis.
results
show
that
seeds
decreased
different
MPs,
HDPE-MPs,
medium
size
(1000
concentration
(0.5
had
greatest
inhibitory
effect
seed
germination.
characteristics
inconsistent;
potential
(GP),
index
(GI),
vitality
(VI)
showed
significant
decreasing
trend
PLA-MPs
medium-concentration
treatment,
while
mean
time
(MGT)
increasing
trend;
GP
MGT
high-particle-size
(4000
μm)
respectively,
GI
VI
medium-particle-size
treatment.
plants
with
SPAD,
nitrogen
leaves,
plant
height
most
PLA-MP
SPAD
leaves
low-particle-size
(150
low-concentration
(0.1
treatments,
decreases
high-concentration
(1
treatments
being
largest.
There
trends
ammonium
(NH4+),
total
phosphorus
(TP),
urease
(S-UE),
phosphatase
(S-ACP),
sucrase
(S-SC)
microplastics,
nitrate
(NO3−)
pH;
there
was
(TN)
HDPE-MPs
PLA-MPs,
each
concentration,
catalase
(S-CAT).
research
could
provide
certain
data
theoretical
bases
evaluating
crop
ecological
environments.
