Soil
toxicity
is
a
major
environmental
issue
that
leads
to
numerous
harmful
effects
on
plants
and
human
beings.
Every
year
huge
amount
of
Pb
dumped
into
the
environment
either
from
natural
sources
or
anthropogenically.
Being
heavy
metal
it
highly
toxic
non-biodegradable
but
remains
in
for
long
time.
It
considered
neurotoxic
exerts
living
In
present
review
article,
investigators
have
emphasized
side
plants.
Further,
authors
focused
various
environment.
Investigators
responses
including
molecular,
biochemical,
morphological
levels
Pb.
Further
emphasis
was
given
effect
elevated
microbial
population
rhizospheres.
remediation
strategies
removal
soil
water
sources.
Plants,
Journal Year:
2023,
Volume and Issue:
12(11), P. 2103 - 2103
Published: May 25, 2023
Tobacco
mosaic
virus
(TMV)
is
a
major
pathogen
affecting
tomato
plants
worldwide.
The
efficacy
of
silver
nanoparticles
(Ag-NPs)
mediated
by
Punica
granatum
biowaste
peel
extract
in
mitigating
the
negative
impact
TMV
infection
on
growth
and
oxidative
stress
was
investigated
through
scanning
electron
microscopy
(SEM),
transmission
(TEM),
UV-Visible
(UV-Vis)
spectrophotometer,
X-ray
Diffraction
(XRD),
dynamic
light
scattering
(DLS),
zeta
potential,
energy-dispersive
spectroscopy
(EDX),
Fourier-transform
infrared
spectra
(FTIR).
Results
SEM
analysis
green
Ag-NPs
revealed
presence
condensed
spherical
or
round
NPs
with
diameters
ranging
between
61
97
nm.
TEM
confirmed
results
showed
round-shaped
an
average
size
33.37
±
12.7
elemental
(EDX)
prepared
Ag
as
peak
(64.43%)
at
3-3.5
KeV.
FTIR
several
functional
groups
Ag-NPs,
for
which
three
treatment
strategies
Ag-NP
applications
were
evaluated
greenhouse
study
compared
to
inoculated
control
plants:
pre-infection
(TB),
post-infection
(TA),
dual
(TD).
that
TD
strategy
most
effective
improving
reducing
viral
replication,
whereas
all
treatments
(TB,
TA,
TD)
found
significantly
increase
expression
pathogenesis-related
(PR)
genes
PR-1
PR-2,
well
polyphenolic
compounds,
HQT,
C4H
plants.
In
contrast,
flavonoid
content
not
affected
infection,
while
phenolic
reduced
group.
Furthermore,
led
significant
markers
MDA
H2O2,
reduction
enzymatic
activity
antioxidants
PPO,
SOD,
POX.
Our
clearly
application
TMV-infected
reduces
accumulation,
delays
replication
treatments,
greatly
enhances
CHS
gene
involved
biosynthesis.
Overall,
these
findings
suggest
may
be
mitigate
Crop Health,
Journal Year:
2023,
Volume and Issue:
1(1)
Published: Nov. 30, 2023
Abstract
Nanoparticles
(NPs)
have
emerged
as
a
revolutionary
strategy
in
the
field
of
agriculture,
offering
innovative
solutions
for
enhancing
plant
health,
disease
management,
and
sustainable
crop
production.
This
review
summarizes
multifaceted
roles
NPs,
synthesized
chemically
biologically,
encompassing
NP
modulation
immunity
against
pathogens,
mechanisms
uptake,
potential
applications
control.
The
integration
NPs
delivery
vehicles
bioactive
molecules,
enabling
targeted
nutrients,
hormones,
RNA
interference
chemical
protectants
growth
regulation
is
also
discussed
detail.
critically
examines
safety
environmental
considerations
associated
with
application
agriculture
sector,
including
toxicity,
fate,
risks.
Future
perspectives
encompass
precision
eco-friendly
unraveling
intricate
plant-NP
interactions,
necessity
responsible
innovation.
At
nexus
nanotechnology
this
underscores
transformative
revolutionizing
health
while
highlighting
importance
to
ensure
resilient
agricultural
systems.
Journal of Integrative Agriculture,
Journal Year:
2023,
Volume and Issue:
22(10), P. 3069 - 3080
Published: Feb. 25, 2023
In
this
research,
green
synthesized
MgONPs
from
lemon
fruit
extracts
and
their
fungicidal
potential
was
evaluated
against
Alternaria
dauci
infection
on
carrot
(Daucus
carota
L.)
under
greenhouse
conditions.The
scanning
transmission
electron
microscopy
(SEM,
TEM)
ultra-violet
(UV)
visible
spectroscopy
were
used
to
validate
characterize
MgONPs.
The
crystalline
nature
of
determined
using
SAED
(selected
area
diffraction).
triggered
substantial
antifungal
activity
A.
when
exposed
50
100
mg
L−1
concentrations
but
the
higher
noticed
in
in-vitro
conditions.
fungal
inoculated
plants,
a
marked
decrease
growth,
photosynthetic
pigments,
an
increase
phenol,
proline
contents,
defense-related
enzymes
seen
over
control
(Distilled
water).
However,
foliar
application
at
resulted
significant
improvement
plant
phenol
defense
carrots
with
without
infection.
Spraying
had
more
length
(17.11%),
shoot
dry
weight
(34.38%),
fresh
(20.46%),
root
(49.09%)
challenged
control.
leaf
blight
indices
percent
disease
severity
also
reduced
plants
sprayed
non-bonding
interactions
genus
protein
nanoparticles
studied
molecular
docking.
