International Journal of Environment and Climate Change,
Journal Year:
2024,
Volume and Issue:
14(4), P. 708 - 718
Published: May 2, 2024
Plant
stresses
are
the
conditions
that
adversely
affect
growth,
development,
or
productivity
of
plants/trees
and
can
be
caused
by
various
physical,
chemical,
biological
factors.
However,
stress
influence
heavy
metals
has
a
notable
adverse
effect
on
plant
growth
productivity.
These
metal
contaminations
responsible
for
harmful
effects
biotic
(plants
associated
organisms)
abiotic
(soil,
water,
air)
environment.
If
not
properly
managed,
mining
activities
considered
to
prime
source
contamination
in
surrounding
Phytoremediation
may
effectively
remediate
wide
range
contaminants
different
environments
hence
offers
an
effective,
carbon-neutral,
ecologically
beneficial
method
removal
hazardous
contaminants.
enhances
development
plants
nourishes
environment
resulting
ill
climate
extremes
disturbed
areas
mitigating
impacts
change.
been
widely
studied
remediation
but
it
hasn't
yet
achieved
commercial
viability
degraded
ecosystems
India
where
is
required
most.
Through
this
review
article,
we
tried
minimize
gap
reviewing
some
important
phytoremediation
studies
which
successfully
reduced
negative
ecosystems.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: May 12, 2023
Heavy
metal
concentrations
exceeding
permissible
limits
threaten
human
life,
plant
and
all
other
life
forms.
Different
natural
anthropogenic
activities
emit
toxic
heavy
metals
in
the
soil,
air,
water.
Plants
consume
from
their
roots
foliar
part
inside
plant.
may
interfere
with
various
aspects
of
plants,
such
as
biochemistry,
bio-molecules,
physiological
processes,
which
usually
translate
into
morphological
anatomical
changes.
They
use
strategies
to
deal
effects
contamination.
Some
these
include
restricting
cell
wall,
vascular
sequestration,
synthesis
biochemical
compounds,
phyto-chelators
organic
acids,
bind
free
moving
ions
so
that
are
minimized.
This
review
focuses
on
several
genetics,
molecular,
signaling
levels,
integrate
produce
a
coordinated
response
toxicity
interpret
exact
behind
tolerance
stress.
It
is
suggested
some
model
species
must
be
thoroughly
studied
comprehend
approaches
put
knowledge
practical
use.
Frontiers in Public Health,
Journal Year:
2023,
Volume and Issue:
10
Published: Jan. 13, 2023
A
high
amount
of
CO
2
causes
numerous
health
effects,
including
headaches,
restlessness,
difficulty
in
breathing,
increased
heart
rate,
blood
pressure,
asphyxia,
and
dizziness.
This
issue
increasing
atmospheric
can
only
be
solved
via
above-ground
below-ground
carbon
sequestration
(CS).
study
was
designed
to
determine
the
relationship
between
CS
with
crown
area
(CA),
diameter
at
breast
height
(DBH),
(H),
species
richness
(SR),
elevation
different
forest
types
Pakistan
following
specific
objectives:
(1)
quantify
direct
indirect
CA,
DBH,
H,
SR
various
natural
(2)
evaluate
effect
on
trees
functional
traits
resultant
CS.
We
used
linear
structural
equation
model
(SEM)
for
each
conceptual
model.
Our
results
confirmed
that
highest
potential
recorded
dry
temperate
conifer
forests
(DTCF)
i.e.,
52.67%,
followed
by
moist
mix
(MTMF)
sub-tropical
broad-leaved
(STBLF).
The
SEM
further
described
variation,
57,
32,
19,
16%
under
influence
CA
(β
=
0.90
P
-value
<
0.001),
H
0.13
p
0.05),
DBH
0.07
0.005),
−0.55
respectively.
individual
has
been
negative
significant.
At
same
time,
separate
had
a
positive
significant
sequestration.
remaining
20%
variations
are
indirectly
influenced
elevation.
means
affects
through
SR,
β
0.133
0.166,
0.531
0.001,
0.007
0.399,
−0.32
It
is
concluded
abiotic
factors
mainly
determined
ecosystems
along
gradients
Pakistan.
Quantifying
role
dioxide
(CO
)
reduction
leads
improved
air
quality,
which
positively
impacts
human
health.
an
imperative
novel
links
dynamics
biosphere
atmosphere.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
267, P. 115657 - 115657
Published: Nov. 1, 2023
Soil
heavy
metal
contamination
and
salinity
constitute
a
major
environmental
problem
worldwide.
The
affected
area
impact
of
these
problems
are
increasing
day
by
day;
therefore,
it
is
imperative
to
restore
their
potential
using
environmentally
friendly
technology.
Plant
growth-promoting
rhizobacteria
(PGPR)
provides
better
option
in
this
context.
Thirty-seven
bacteria
were
isolated
from
the
rhizosphere
maize
cultivated
metal-
salt-affected
soils.
Some
selected
bacterial
strains
grew
well
under
wide
range
pH
(4−10),
salt
(5–50
g/L),
Cd
(50–1000
mg/L)
stress.
Three
strains,
Exiguobacterium
aestuarii
(UM1),
Bacillus
cereus
(UM8),
megaterium
(UM35),
because
robust
growth
high
tolerance
both
stress
conditions.
UM1,
UM8,
UM35
showed
P-solubilization,
whereas
UM8
exhibited
1-aminocyclopropane-1-carboxylate
deaminase
activity
indole
acetic
acid
(IAA)
production,
respectively.
inoculated
on
Brassica
juncea
plants
soils
due
above
PGP
activities
tolerance.
Plants
with
B.
significantly
(p
<
0.05)
increased
shoot
fresh
weight
(17
±
1.17–29
0.88
g/plant),
dry
(2.50
0.03–4.40
0.32
root
(7.30
0.58–13.30
0.58
(0.80
0.04–2.00
0.01
K
contents
(62.76
1.80–105.40
1.15
mg/kg
dwt)
normal
stressful
strain
decreased
Na+
Cd++
uptake
single
dual
Both
E.
cereus,
efficiently
reduced
translocation
bioaccumulation
shoot.
Bacterial
inoculation
improved
K+
Ca++,
while
restricted
shoots
indicated
mitigate
stresses
through
ion
homeostasis.
