Heliyon,
Journal Year:
2023,
Volume and Issue:
9(11), P. e21646 - e21646
Published: Nov. 1, 2023
Nanoparticles
(NPs)
have
gained
considerable
interest
among
researchers
in
the
field
of
plant
biology,
particularly
agricultural
sector.
Among
numerous
NPs,
individual
application
silicon
(Si)
or
titanium
(Ti),
their
oxide
forms,
had
a
positive
influence
on
growth,
physiochemical
and
yield
attributes
plants.
However,
synergetic
both
these
NPs
has
not
been
studied
yet.
Therefore,
current
study
was
aimed
to
investigate
effect
combined
dioxide
(SiO2)
(TiO2)
growth
characters,
physiological
parameters,
essential
oil
quality
production
Coleus
aromatics
Benth.
Aqueous
solutions
nanoparticles
were
applied
foliage
plants
at
varying
combinations
(Si50+Ti50,
Si100+Ti50,
Si100+Ti100,
Si200+Ti100,
Si100+Ti200
Si200+Ti200
mg
L-1).
Various
morpho-physiological,
biochemical
assessed
120
days
after
planting.
The
results
demonstrated
that
Si
Ti
improved
photosynthetic
efficiency
dose
dependent
manner.
best
obtained
by
Si100+Ti100
L-1,
thereafter,
values
declined
progressively.
maximum
improvement
fresh
weight
(39.5
%)
dry
(40.8
shoot,
(45.7
(49.4
root
observed
as
compared
respective
controls.
Moreover,
exogenous
L-1
increased
such
total
content
chlorophyll
(41.7
%),
carotenoids
(43.7
fluorescence
(7.1
carbonic
anhydrase
(23.8
%).
All
contributed
highest
accumulation
(129.0
(215.5
(EO),
comparison
control.
Thus,
encouraged
use
SiO2
TiO2
be
form
boost
aromaticus.
findings
this
may
serve
agronomists
determine
optimal
concentrations
for
enhanced
bioactive
compounds
with
wide
range
industrial
applications.
Plants,
Journal Year:
2024,
Volume and Issue:
13(3), P. 398 - 398
Published: Jan. 29, 2024
Salinity
stress
can
significantly
cause
negative
impacts
on
the
physiological
and
biochemical
traits
of
plants
and,
consequently,
a
reduction
in
yield
productivity
crops.
Therefore,
current
study
aimed
to
investigate
effects
chitosan
(Cs)
nanoparticles
(CsNPs)
mitigate
salinity
(i.e.,
25,
50,
100,
200
mM
NaCl)
improve
pigment
fractions,
carbohydrates
content,
ions
proline,
hydrogen
peroxide,
lipid
peroxidation,
electrolyte
leakage
antioxidant
system
Phaseolus
vulgaris
L.
grown
clay–sandy
soil.
Methacrylic
acid
was
used
synthesize
CsNPs,
with
an
average
size
40
±
2
nm.
negatively
affected
traits,
carbohydrate
content.
However,
under
salt
stress,
application
either
Cs
or
CsNPs
improved
yield,
system,
while
these
treatments
reduced
leakage.
The
positive
were
shown
be
more
beneficial
than
when
applied
exogenously
stress.
In
this
context,
it
could
concluded
that
saline
soils.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Jan. 2, 2025
The
production
of
medicinal
plants
under
stressful
environments
offers
an
alternative
to
meet
the
requirements
sustainable
agriculture.
action
mycorrhizal
fungus;
Funneliformis
mosseae
and
zinc
in
stimulating
growth
stress
tolerance
is
intriguing
area
research.
current
study
evaluated
combined
use
nano-zinc
fungus
on
physiochemical
responses
Dracocephalum
moldavica
salinity
stress.
employed
a
factorial
based
completely
randomized
design
with
three
replications.
treatments
were
different
levels
(0,
50,
100
mM
NaCl),
two
mycorrhiza
application
(0
5
g
kg−
1
soil),
foliar
spraying
nano
oxide
1000
ppm).
Salinity
decreased
photosynthetic
pigments
content,
SPAD
value,
chlorophyll
fluorescence
data
(Fm,
Fv,
Fv/Fm).
Plant
dry
weight,
Na+
essential
oil
content
significantly
higher
at
50
+
co-application
oxide.
Electrolyte
leakage
increased
salt
stress,
while
inoculation
compensated
for
trait.
main
constituents
geranyl
acetate,
nerol,
geranial,
geraniol,
viridiflorol,
hexadecane,
humulene,
germacrene
D.
Energy
metabolism
demonstrates
effectiveness
treatment
combinations
promoting
biosynthesis
accumulation
components.
overall
results
more
comprehensive
field-based
studies
would
be
advisable
extension
section
utilize
marginal
salty
lands
reliable
valuable
plant.
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(6), P. 1655 - 1655
Published: June 20, 2023
Salinity
is
one
of
the
most
critical
problems
for
agricultural
development
and
threatens
future
food
safety.
Therefore,
we
aimed
to
investigate
root
application
zinc
oxide
nanoparticles
(ZnO-NPs;
0,
50,
100
mg/L),
24-epibrassinolide
(EBL;
0.02,
0.04
µM),
their
combinations
on
growth
performance
maize
(Zea
mays
L.)
as
a
model
plant
grown
under
salt
stress
(i.e.,
5
10
dS
m−1)
in
hydroponic
system.
The
results
showed
that
highest
negatively
affected
growth,
physiological,
biochemical
traits
maize.
However,
EBL,
ZnO-NPs,
significantly
mitigated
improved
physiological
system
plants.
In
particular,
combination
treatment
mg/L
ZnO-NPs
+
0.02
µM
EBL
surpassed
all
other
treatments
resulted
shoot
leaf
area,
relative
water
content,
net
photosynthesis,
total
chlorophyll
uptake
(Zn)
potassium
(K).
Furthermore,
it
minimized
by
reducing
Na
uptake,
Na/K
ratio,
proline
stressed
For
example,
length
+175%,
+39%,
area
+181%,
RWC
+12%,
photosynthesis
+275,
content
+33%,
phenolic
+38%,
comparison
those
obtained
from
control,
respectively.
enhanced
roots
leaves
Zn
high
+125%
+94%,
K+
+39%
+51%,
compared
without
any
NPs
or
treatments,
Thus,
can
be
potential
option
mitigate
improve
biochemical,
strategy
crops
such
Horticulturae,
Journal Year:
2023,
Volume and Issue:
9(8), P. 883 - 883
Published: Aug. 3, 2023
A
field
study
was
conducted
to
understand
the
effectiveness
of
foliar
applications
ZnO-NPs
(0,
50,
100
mg
L−1)
and
SiO2-NPs
25,
50
on
potato
plant
growth,
morphology,
nutrient
uptake,
oxidative
stress,
antioxidative
response
under
drought
conditions
(i.e.,
100%
crop
evapotranspiration
ETc,
75%
50%
ETc).
Results
revealed
that
water
deficiency
significantly
hampered
growth
biomass
production
stimulated
stress
in
potatoes.
However,
exogenous
application
improved
attributes
such
as
number
branches,
height,
fresh
dry
biomass,
leaf
area,
area
index
compared
with
untreated
plants.
The
(50
promoted
mineral
ion
accumulation
plants
grown
thus
resulted
higher
NPK,
Zn2+,
Fe2+,
Mn2+
contents.
significant
reduction
malondialdehyde
(MDA)
hydrogen
peroxide
(H2O2)
found
treated
L−1
ZnO
followed
by
SiO2
nanoparticles
plants,
respectively.
Furthermore,
aforesaid
treatments
maximum
activity
antioxidant
enzymes
superoxide
dismutase
SOD,
catalase
CAT,
polyphenol
oxidase
PPO,
ascorbate
peroxidase
APX)
deficit
stress.
Similarly,
nonenzymatic
antioxidants
total
flavonoid
content
(TFC)
phenolic
compounds
(TPC)
(control).
Moreover,
traits
were
positively
correlated
contents,
while
they
negatively
MDA
H2O2.
biochemical
traits,
which
might
lead
enhancements
tolerance
improvements
productivity,
quality
shortage
conditions.