Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 12, 2024
Abstract
The
influence
of
environmental
contamination
on
different
ecosystems
has
become
a
major
problem
worldwide.
Pollution
heavy
metals
in
soil
serious
global
concern.
purpose
the
present
experimental
work
was
to
assess
effect
silica
nanoparticles
(SiNPs)
growth,
biochemical
parameters,
and
physiological
responses
Tagetes
erecta
L.
plants
under
chromium
(Cr)
stress.
In
current
investigation,
we
implemented
CRD
experiment,
three
sets
replicates
were
employed,
each
comprising
nine
unique
treatments;
control,
Cr-I
(50
mg
kg−
1),
Cr-II
(100
SiNPs-I
L−
SiNPs-II
(200
+
SiNPs-I,
SiNPs-II,
SiNPs-II).
When
exposed
Cr,
oxidative
damage
noticeable.
Cr
markedly
decreased
growth
characters
including
shoot
root
length,
fresh
dry
weights
as
well
photosynthetic
pigment
but
increased
level
proline,
hydrogen-peroxide
(H2O2),
malondialdehyde
(MDA)
relative
membrane
permeability
plants.
Significantly,
impacts
avoided
by
SiNPs
application.
applied
externally
lessened
concentrations
H2O2,
MDA,
permeability.
Conversely,
enhanced
content
chlorophyll
a,
b,
carotenoid
improved
plant.
They
also
elevated
antioxidant
enzyme
activity.
Furthermore,
promote
defensive
mechanisms
against
stress
toxic
boosting
absorption
particular
elements
such
Ca2+
K+.
Based
our
research,
treating
with
can
potentially
help
them
overcome
abiotic
stresses.
Our
findings
suggest
that
have
potential
effectively
regulate
indicators
antioxidants,
which
significantly
lower
adverse
impact
stresses
