Plants,
Год журнала:
2024,
Номер
13(24), С. 3483 - 3483
Опубликована: Дек. 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.
Abstract
Microplastics
are
polymer-based
materials
with
carbon
as
their
main
framework.
During
degradation,
they
release
greenhouse
gases
such
dioxide
and
methane.
Additionally,
environmental
microplastics
can
enter
plant
tissues,
triggering
oxidative
stress
in
cells,
adversely
affecting
photosynthesis,
metabolism,
gene
expression,
other
growth
parameters.
This
reduction
efficiency
sequestering
utilizing
atmospheric
indirectly
impacts
global
cycling,
exacerbating
the
effect.
Furthermore,
significantly
alter
soil
structure
composition
of
microbial
communities,
emissions
dioxide,
methane,
nitrous
oxide,
thus
promoting
gas
emissions.
Increasing
research
suggests
a
mutual
reinforcement
between
microplastic
pollution
climate
warming,
where
exacerbates
rise
average
temperature
leads
to
resuspension
sediments,
intensifying
environment.
article
primarily
focuses
on
different
ecosystems
relationship
warming.
It
summarizes
effects
marine,
terrestrial,
ecosystems,
well
mechanisms
by
which
change
affect
ecosystem
services.
By
delving
into
intricate
connection
emissions,
this
paper
aims
raise
awareness
caused
calls
for
further
change,
ultimate
goal
protecting
human
health.
Graphical
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 29, 2024
Abstract
Microplastics
are
exotic
pollutants
and
increasingly
detected
in
soil,
but
it
remains
poorly
understood
how
microplastics
impact
soil
plant
systematically.
The
present
study
was
conducted
to
evaluate
the
effects
of
polyvinyl
chloride
(PVC-MPs)
on
wheat
seedlings
performance
properties.
Under
stress
PVC-MPs,
no
new
substance
functional
groups
were
generated
by
X-ray
diffraction
fourier
transform
infrared
spectroscopy
analyses,
whereas
characteristic
peaks
affected
PVC-MPs.
Wheat
shoot
biomass
nitrate
nitrogen
significantly
inhibited
Chlorophylls
not
significant
Superoxide
dismutase,
catalase,
peroxidase
activities
increased,
while
malondialdehyde
proline
contents
decreased
significantly.
Redundancy
analysis
displayed
that
traits
can
be
largely
explained
nitrogen.
Our
results
indicate
PVC-MPs
have
more
influence
structure
than
composition.
Moreover,
even
though
antioxidant
enzyme
improved
respond
severely
impacted
Besides,
is
main
factor
prone
ensure
root
growth
under
Toxics,
Год журнала:
2025,
Номер
13(1), С. 57 - 57
Опубликована: Янв. 15, 2025
Microplastics
pose
a
serious
ecological
threat
to
agricultural
soils,
as
they
are
very
persistent
in
nature.
can
enter
the
soil
system
different
ways
and
present
shapes
concentrations.
However,
little
is
known
about
how
plants
react
microplastics
with
concentrations
shapes.
To
this
end,
we
conducted
factorial
pot
experiment
wheat
(Triticum
aestivum
L.)
which
mixed
polystyrene
(PS)
(bead,
fiber
powder)
at
of
0,
1,
3
5%.
Although
all
PS
significantly
reduced
morphological
growth
traits,
powder
shape
was
microplastic
that
plant
height
(by
58–60%),
fresh
biomass
54–55%)
dry
61–62%)
most,
especially
3%
5%
compared
0%
PS.
Similar
negative
effects
were
also
observed
for
root
length
weight
concentrations,
regardless
shape.
A
concentration-dependent
reduction
leaf
area
index
(LAI)
observed.
Interestingly,
increasing
concentration
tended
up-regulate
activity
antioxidant
enzymes
shapes,
indicating
potential
complexity
highly
time-dependent
response
related
various
reactive
oxygen
species
(ROS).
Importantly,
caused
significant
chlorophyll
pigmentation
photosynthetic
rate.
For
transpiration
rate,
stomatal
conductance
intercellular
CO2
concentration,
on
increased
increase
Overall,
concluded
higher
potentially
more
devastating
physiological
biochemical
attributes
wheat,
evidenced
by
pigments
gas
exchange
parameters
We
recommend
further
research
experiments
not
only
translocation
but
tissue-specific
retention
sizes
crops
fully
understand
their
impact
food
safety.
Journal of Nanobiotechnology,
Год журнала:
2025,
Номер
23(1)
Опубликована: Март 21, 2025
With
the
extensive
utilization
of
plastic
products,
microplastics/nanoplastics
(MPs/NPs)
contamination
not
only
poses
a
global
hazard
to
environment,
but
also
induces
new
threat
growth
development
and
nutritional
quality
plantation
agricultural
products.
This
study
thoroughly
examines
behavior
MPs/NPs,
including
their
sources,
entry
routes
into
plants,
phytotoxicity
under
various
biotic
abiotic
stresses
(e.g.,
salinity,
polycyclic
aromatic
hydrocarbons,
heavy
metals,
antibiotics,
plasticizers,
nano
oxide,
naturally
occurring
organic
macromolecular
compounds,
invasive
Botrytis
cinerea
mycorrhizal
fungi.)
controlling
strategies.
MPs/NPs
in
systems
mainly
originate
from
mulch,
sewage,
compost
fertilizer,
municipal
solid
waste,
pesticide
packaging
materials,
etc.
They
enter
plants
through
endocytosis,
apoplast
pathways,
crack-entry
modes,
leaf
stomata,
affecting
phenotypic,
metabolic,
enzymatic,
genetic
processes
such
as
seed
germination,
metabolism,
photosynthesis,
oxidative
stress
antioxidant
defenses,
fruit
yield
nutrient
quality,
cytotoxicity
genotoxicity.
can
interact
with
other
environmental
stressors,
resulting
synergistic,
antagonistic,
or
neutral
effects
on
phytotoxicity.
To
address
these
challenges,
this
review
highlights
strategies
mitigate
toxicity,
novel
green
biodegradable
plastics,
plant
extraction
immobilization,
exogenous
regulator
interventions,
porous
nanomaterial
modulation,
biocatalysis
enzymatic
degradation.
Finally,
identifies
current
limitations
future
research
directions
critical
field.
