Sustainability,
Год журнала:
2023,
Номер
15(20), С. 14792 - 14792
Опубликована: Окт. 12, 2023
Drought
stress
threatens
global
food
security
and
requires
creative
agricultural
solutions.
Recently,
phyto-synthesized
nanoparticles
NPs
have
garnered
attention
as
a
way
to
reduce
crop
drought.
This
extensive
research
examines
how
improve
growth
biochemistry
in
drought-stressed
situations.
The
review
begins
with
an
introduction
highlighting
the
urgency
of
addressing
challenges
posed
by
It
also
highlights
significance
synthesized
from
photosynthesis
this
context.
Its
purpose
is
underscore
importance
sustainable
farming
practices.
approach
contrasted
conventional
methods,
elucidating
ecological
economic
advantages
NPs.
discusses
nanoparticles,
including
titanium
dioxide,
iron
oxide,
gold,
silver,
copper.
In
addition,
we
their
ability
enhance
resistance.
primary
focus
elucidate
effects
on
plant
development
under
drought
stress.
Noteworthy
outcomes
encompass
improvements
seed
germination,
seedling
growth,
water
absorption,
photosynthesis,
chlorophyll
content,
activation
antioxidant
defense
mechanisms,
modulation
hormonal
responses.
These
results
potential
agents
for
enhancing
mitigating
assesses
risks
using
agriculture.
Considerations
include
non-target
organisms,
soil,
environmental
impacts.
Further
needed
determine
long-term
effects,
dangers,
benefits
Nanoparticles
offer
targeted
improving
tolerance,
outpacing
traditional
methods
ethics
balance.
Their
mechanisms
range
nutrient
delivery
molecular
regulation.
However,
impact
remains
understudied.
critical
identifying
gaps
advancing
practices
amid
scarcity.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Июнь 7, 2024
Abstract
The
aim
of
current
study
was
to
prepared
zinc
oxide
nanofertilzers
by
ecofriendly
friendly,
economically
feasible,
free
chemical
contamination
and
safe
for
biological
use.
focused
on
crude
extract
Withania
coagulans
as
reducing
agent
the
green
synthesis
ZnO
nano-particles.
Biosynthesized
NPs
were
characterized
UV–Vis
spectroscopy,
XRD,
FTIR
GC–MS
analysis.
However,
Nano
fertilizer
used
analyze
responses
induced
different
doses
[0,
25,
50,100,
200
mg/l
Zn
acetate
(100
mg/l)]
in
Triticum
aestivum
(wheat).
stimulatory
inhibitory
effects
foliar
application
studied
wheat
(
)
with
aspect
biomass
accumulation,
morphological
attributes,
biochemical
parameters
anatomical
modifications.
Wheat
plant
showed
significant
p
<
0.01)
enhancement
growth
upon
exposure
at
specific
concentrations.
In
addition,
increase
chlorophyll
content,
carotenoids,
carbohydrate
protein
contents.
Antioxidant
enzyme
(POD,
SOD,
CAT)
total
flavonoid
content
also
confirmed
nurturing
impact
plant.
Increased
stem,
leaf
root
parameters,
all
mitigating
capacity
when
applied
wheat.
According
research,
might
be
growth,
yield,
biofortification
plants.
Plants,
Год журнала:
2025,
Номер
14(5), С. 716 - 716
Опубликована: Фев. 26, 2025
Nanotechnology
has
emerged
as
a
transformative
field
in
agriculture,
offering
innovative
solutions
to
enhance
plant
growth
and
resilience
against
abiotic
stresses.
This
review
explores
the
diverse
applications
of
nanomaterials
focusing
on
their
role
promoting
development
improving
tolerance
drought,
salinity,
heavy
metals,
temperature
fluctuations.
The
method
classifies
commonly
employed
sciences
examines
unique
physicochemical
properties
that
facilitate
interactions
with
plants.
Key
mechanisms
nanomaterial
uptake,
transport,
influence
plants
at
cellular
molecular
levels
are
outlined,
emphasizing
effects
nutrient
absorption,
photosynthetic
efficiency,
overall
biomass
production.
basis
stress
is
examined,
highlighting
nanomaterial-induced
regulation
reactive
oxygen
species,
antioxidant
activity,
gene
expression,
hormonal
balance.
Furthermore,
this
addresses
environmental
health
implications
nanomaterials,
sustainable
eco-friendly
approaches
mitigate
potential
risks.
integration
nanotechnology
precision
agriculture
smart
technologies
promises
revolutionize
agricultural
practices.
provides
valuable
insights
into
future
directions
R&D,
paving
way
for
more
resilient
system.
Sustainability,
Год журнала:
2022,
Номер
14(22), С. 14880 - 14880
Опубликована: Ноя. 10, 2022
Agriculture
is
directly
linked
to
human
life,
providing
food
for
survival
and
health.
It
threatened
by
a
number
of
challenges,
such
as
climate
change,
resource
depletion,
abiotic
stresses,
including
heavy
metals
(HMs),
salinity,
drought,
etc.
Various
strategies
have
been
employed
palliate
the
phytotoxic
effects
these
stressors
from
soil–plant
system.
Nanotechnological
approaches
emerged
promising
tool
increasing
crop
productivity
promoting
sustainable
agriculture.
Interestingly,
seed
nano-priming
approach
has
shown
potential
against
all
above-mentioned
stress
factors
improved
productivity.
The
application
nanoparticles
(NPs)
via
priming
an
innovative
cost-effective
that
improves
germination
subsequent
plant
growth
activating
physiological
processes
tolerance
various
stresses.
with
NPs
induces
electron
exchange
increases
surface
reaction
capabilities
related
cell
tissue
components.
This
review
aims
provide
overview
recent
advances
research
findings
on
possible
mechanism
stress-tolerance
augmentation
Furthermore,
we
also
shed
light
gaps
in
studies
conducted
previous
years,
which
will
open
new
avenues
future
research.
PLoS ONE,
Год журнала:
2022,
Номер
17(4), С. e0267819 - e0267819
Опубликована: Апрель 28, 2022
Drought
stress
is
a
major
limitation
in
wheat
production
around
the
globe.
Organic
amendments
could
be
possible
option
semi-arid
climatic
conditions
to
mitigate
adverse
effects
of
drought
at
critical
growth
stages.
Wheat
straw
biochar
(BC0
=
Control,
BC1
3%
and
BC2
5%
biochar)
was
used
alleviate
tillering
(DTS),
flowering
(DFS),
grain
filling
(DGFS)
significantly
reduced
yield
stages,
with
DGFS
being
most
susceptible
stage,
resulting
significant
loss.
Biochar
application
substantially
detrimental
by
improving
plant
height
(15.74%),
fertile
tiller
count
(17.14%),
spike
length
(16.61%),
grains
per
(13.89%),
thousand
weight
(10.4%),
biological
(13.1%)
when
compared
control
treatment.
Furthermore,
physiological
parameters
such
as
water
use
efficiency
(38.41%),
stomatal
conductance
(42.76%),
chlorophyll
(19.3%),
b
(22.24%),
transpiration
rate
(39.17%),
photosynthetic
(24.86%),
electrolyte
leakage
(-42.5%)
hydrogen
peroxide
(-18.03%)
superoxide
dismutase
(24.66%),
catalase
(24.11%)
peroxidase
(-13.14%)
were
also
improved
application.
The
principal
component
analysis
linked
disparate
scales
our
findings
explain
changes
occurred
response
under
circumstances.
In
essence,
using
successful
strategy
promote
reducing
hazardous
impacts
stress.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Янв. 30, 2023
Increased
food
production
to
cater
the
need
of
growing
population
is
one
major
global
challenges.
Currently,
agro-productivity
under
threat
due
shrinking
arable
land,
increased
anthropogenic
activities
and
changes
in
climate
leading
frequent
flash
floods,
prolonged
droughts
sudden
fluctuation
temperature.
Further,
warm
climatic
conditions
increase
disease
pest
incidences,
ultimately
reducing
crop
yield.
Hence,
collaborated
efforts
are
required
adopt
environmentally
safe
sustainable
agro
practices
boost
growth
productivity.
Biostimulants
appear
as
a
promising
means
improve
plants
even
stressful
conditions.
Among
various
categories
biostimulants,
microbial
biostimulants
composed
microorganisms
such
plant
growth-promoting
rhizobacteria
(PGPR)
and/or
microbes
which
stimulate
nutrient
uptake,
produce
secondary
metabolites,
siderophores,
hormones
organic
acids,
participate
nitrogen
fixation,
imparts
stress
tolerance,
enhance
quality
yield
when
applied
plants.
Though
numerous
studies
convincingly
elucidate
positive
effects
PGPR-based
on
plants,
yet
information
meagre
regarding
mechanism
action
key
signaling
pathways
(plant
hormone
modulations,
expression
pathogenesis-related
proteins,
antioxidants,
osmolytes
etc.)
triggered
by
these
present
review
focuses
molecular
activated
PGPR
based
facing
abiotic
biotic
The
also
analyses
common
mechanisms
modulated
combat
stresses.
highlights
traits
that
have
been
modified
through
transgenic
approach
physiological
responses
akin
application
target
ACS Nano,
Год журнала:
2023,
Номер
17(3), С. 3107 - 3118
Опубликована: Янв. 27, 2023
Nanosilicon
applications
have
been
shown
to
increase
plant
defenses
against
both
abiotic
and
biotic
stresses.
Silicon
quantum
nanodots
(Si
NDs),
a
form
of
nanosilicon,
possess
excellent
biological
physiochemical
properties
(e.g.,
minimal
size,
high
water
solubility,
stability,
biocompatibility),
potentially
making
them
more
efficient
in
regulating
responses
stress
than
other
forms
silicon.
However,
date,
we
still
lack
mechanistic
evidence
for
how
soil-applied
Si
NDs
alter
the
regulation
physical
chemical
insect
herbivores.
To
address
this
gap,
compared
effect
fluorescent
amine-functionalized
(5
nm)
conventional
fertilizer
sodium
silicate
on
maize
(Zea
mays
L.)
oriental
armyworm
(Mythimna
separata,
Walker)
caterpillars.
We
found
that
50
mg/kg
additions
inhibited
growth
caterpillars
most
(35.7%
22.8%,
respectively)
as
application
doses
(0,
10,
150
mg/kg).
Both
addition
activated
biosynthesis
genes
responsible
(benzoxazinoids)
(lignin)
defense
production.
Moreover,
upregulated
gene
expression
antioxidant
enzymes
(SOD,
CAT,
POD)
promoted
metabolism
(flavonoids)
leaves
under
M.
separata
attack.
Finally,
show
that,
field
conditions,
ND
increased
cob
weight
(28.7%),
grain
(40.8%),
100-grain
(26.5%)
control,
so
silicon
fertilizer.
Altogether,
our
findings
highlight
potential
be
used
an
effective
ecofriendly
crop
protection
strategy
agroecosystems.
Plants,
Год журнала:
2022,
Номер
11(12), С. 1561 - 1561
Опубликована: Июнь 13, 2022
In
Egypt's
arid
and
semi-arid
lands
where
the
main
olive
production
zone
is
located,
evapotranspiration
higher
than
rainfall
during
winter.
Limited
research
has
used
nanomaterials,
especially
nano-silicon
(nSi)
to
improve
growth,
development,
productivity
of
drought-stressed
fruit
trees,
amid
global
water
scarcity
problem.
To
assess
role
nSi
on
drought-sensitive
'Kalamata'
tree
biochemical
physiological
changes
under
drought
conditions,
a
split-plot
experiment
was
conducted
in
randomized
complete
block
design.
The
trees
were
foliar
sprayed
with
field
using
nine
treatments
(three
replicates
each)
0,
150,
200
mg·L-1
different
irrigation
regimes
(100,
90,
80%
requirements
'IWR')
2020
2021
seasons.
Drought
negatively
affected
but
both
concentrations
alleviated
effects
at
reduced
levels,
compared
non-stressed
trees.
Foliar
spray
moderate
level
(90%
IWR)
resulted
improved
yield
weight
drop
percentage,
IWR.
addition,
there
levels
osmoprotectants
such
as
proline,
soluble
sugars,
abscisic
acid
(ABA)
less
membrane
damage
expressed
malondialdehyde
(MDA),
H2O2
electrolyte
leakage
90%
These
results
suggest
that
severely
stressed
IWR,
which
not
surprising
it
classified
sensitive.
Overall,
application
beneficial
for
improvement
mechanical
resistance,
moderately-stressed
Egyptian
conditions.
Abstract
Cancer
is
a
disease
associated
with
complex
pathology
and
one
of
the
most
prevalent
leading
reasons
for
mortality
in
world.
Current
chemotherapy
has
challenges
cytotoxicity,
selectivity,
multidrug
resistance,
formation
stemlike
cells.
Nanomaterials
(NMs)
have
unique
properties
that
make
them
useful
various
diagnostic
therapeutic
purposes
cancer
research.
NMs
can
be
engineered
to
target
cells
early
detection
deliver
drugs
directly
cells,
reducing
side
effects
improving
treatment
efficacy.
Several
also
used
photothermal
therapy
destroy
or
enhance
immune
response
by
delivering
immune‐stimulating
molecules
modulating
tumor
microenvironment.
are
being
modified
overcome
issues,
such
as
toxicity,
lack
increase
drug
capacity,
bioavailability,
wide
spectrum
therapies.
To
improve
targeted
delivery
using
nano‐carriers,
noteworthy
research
required.
metal‐based
been
studied
expectation
finding
cure
treatment.
In
this
review,
current
development
potential
plant
their
on
size
shape
discussed
along
more
effective
usage
diagnosis