International Journal of Phytoremediation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 11
Published: Oct. 10, 2024
In
this
study,
a
composite
of
silver
and
titanium
dioxide
nanoparticles
(AgNPs-TiO2NPs)
was
examined
for
its
synergistic
effects
on
phytostabilization
lead
(Pb)
mitigation
toxicity
in
cowpea
(Vigna
unguiculata
(L)
Walp).
Seeds
V.
were
wetted
with
water,
0.05
0.1
mgL−1
Pb
25
mgmL−1
each
AgNPs,
TiO2NPs,
AgNPs-TiO2NPs.
Root
lengths
reduced
by
25%
44%
at
Pb,
respectively,
while
shoot
2%
7%.
unguiculata,
AgNPs
TiO2NPs
significantly
improved
physiological
indicators
mitigated
effects,
modulating
parameters
more
effectively
than
AgNPs.
The
synergistically
regulated
physiology
better
individual
nanoparticles.
Compared
to
the
increased
antioxidant
activity
12%
9%,
carotenoid
contents
88%.
Additionally,
AgNPs-TiO2NPs
malondialdehyde
levels
29%,
thereby
mitigating
enhanced
immobilization
57%,
reducing
translocation
from
soil
shoots
compared
water.
bioconcentration
factors
indicate
that
most
effective
when
used.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: May 28, 2024
Tobacco
(
Nicotiana
tabacum
L.)
is
a
major
cash
crop,
and
soil
quality
played
significant
role
in
the
yield
of
tobacco.
Most
farmers
cultivate
tobacco
rotation
with
other
crops
to
improve
characteristics.
However,
effects
different
previous
on
soil’s
nutrient
status
bacterial
community
for
cultivation
still
need
be
determined.
Three
treatments
were
assessed
this
study,
i.e.,
tobacco-planting
without
treatment
(CK),
barley
previously
cultivated
(T
1
),
rapeseed
2
).
The
physical
chemical
properties
16S
rRNA
gene
sequence
diversity
analyzed.
richness
comprehensively
discussed.
results
study
showed
that
altered
soil,
changes
ratio
NH
4
+
-N
NO
3
−
having
most
impact
In
CK,
was
1:24.2,
T
–1:9.59,
–1:11.10.
composition
varied
significantly
depending
crops.
considerably
higher
than
prior
dominant
bacteria
Actinobacteriota,
Proteobacteria,
Chloroflexi
their
relative
abundance
differed.
conclusion,
our
revealed
differences
status,
diversity,
after
preceding
Suitable
should
selected
crop
rotations
near
future
sustainable
agriculture.
International Journal of Phytoremediation,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 11
Published: Oct. 10, 2024
In
this
study,
a
composite
of
silver
and
titanium
dioxide
nanoparticles
(AgNPs-TiO2NPs)
was
examined
for
its
synergistic
effects
on
phytostabilization
lead
(Pb)
mitigation
toxicity
in
cowpea
(Vigna
unguiculata
(L)
Walp).
Seeds
V.
were
wetted
with
water,
0.05
0.1
mgL−1
Pb
25
mgmL−1
each
AgNPs,
TiO2NPs,
AgNPs-TiO2NPs.
Root
lengths
reduced
by
25%
44%
at
Pb,
respectively,
while
shoot
2%
7%.
unguiculata,
AgNPs
TiO2NPs
significantly
improved
physiological
indicators
mitigated
effects,
modulating
parameters
more
effectively
than
AgNPs.
The
synergistically
regulated
physiology
better
individual
nanoparticles.
Compared
to
the
increased
antioxidant
activity
12%
9%,
carotenoid
contents
88%.
Additionally,
AgNPs-TiO2NPs
malondialdehyde
levels
29%,
thereby
mitigating
enhanced
immobilization
57%,
reducing
translocation
from
soil
shoots
compared
water.
bioconcentration
factors
indicate
that
most
effective
when
used.