International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(23), С. 12588 - 12588
Опубликована: Ноя. 23, 2024
Polyamines
(PAs),
such
as
putrescine,
spermine,
and
spermidine,
are
bioactive
molecules
that
play
a
vital
role
in
plant
responses
to
stresses.
Although
they
frequently
applied
achieve
higher
levels
of
stress
tolerance
plants,
their
function
seed
biology
is
still
not
fully
understood.
PAs
have
been
described
only
limited
number
studies
priming
agents,
but
most
the
data
report
physiological
biochemical
PA
effects,
few
reports
concern
molecular
mechanisms.
In
this
review,
we
summarized
effects
on
germination,
seedling
establishment,
young
response
abiotic
stresses,
tried
draw
general
scheme
action
during
early
developmental
stages.
Horticulturae,
Год журнала:
2023,
Номер
9(1), С. 80 - 80
Опубликована: Янв. 8, 2023
As
a
biostimulant,
amino
acids
play
crucial
roles
in
enhancing
plant
growth
and
development.
These
roles,
combined
with
the
ability
to
be
approved
for
organic
usage,
make
good
choice
sustainable
farming
systems.
This
work
investigates
effect
of
onion
seed
priming
different
exogenous
acids,
specifically
impact
diverse
range
morpho-physiological
responses
seedlings.
Here,
we
primed
seeds
(Cultivar
Giza
6)
ten
acids.
Based
on
parameters
seedlings,
data
showed
that
glutamine
significantly
improved
most
studied
parameters.
Germination
percentage
(GP)
ranged
from
85%
Methionine
(Met)
98.5%
Proline
(Pro)
Tryptophan
(Try),
10%
over
control
treatment.
Glutamine
(Glu)
enhanced
vigor
index
(VI)
onion,
giving
high
produce
normal
The
extended
root
system
(≥3.3
cm)
was
obtained
Glu,
Glycine
(Gly),
Pro,
Try
treatments.
maximum
shoot
length
treatments
(Glu
Try)
more
than
60%
control.
Priming
(AAs)
increased
chlorophyll
contents
compared
non-primed
seeds.
Threonine
(Thr)
had
highest
results
(122
127
μg/g
fresh
weight,
respectively),
while
Glu
treatment
registered
Carotene
50%
Furthermore,
illustrate
principal
component
analysis-1
(PCA1)
indicates
67.2%
variability,
PCA2
14.8%
variability.
Strong
positive
correlations
were
observed
between
germination
percentage,
length,
dry
matter,
a,
carotene.
study
concluded
by
glutamine,
proline,
tryptophan
best
rates.
International Journal of Phytoremediation,
Год журнала:
2025,
Номер
unknown, С. 1 - 20
Опубликована: Фев. 6, 2025
Cadmium
(Cd)
is
one
of
the
most
harmful
heavy
metals
in
environment,
negatively
impacting
plant
growth
and
development.
However,
phytoremediation
which
an
environmentally
friendly
cost-effective
technique
can
be
used
to
treat
Cd
contaminated
environments.
It
effectively
removes
from
polluted
soil
water
through
processes,
such
as
phytoextraction,
phytostabilization,
phytostimulation,
phytofiltration,
phytotransformation.
Numerous
research
has
shown
evidences
that
biological,
physical,
chemical,
agronomic,
genetic
methods
are
being
utilized
improve
phytoremediation.
A
special
group
plants
known
hyperaccumulator
further
enhance
removal,
turning
areas
into
productive
land.
These
accumulate
root
cell
vacuoles
aerial
parts.
Despite
morphological
variations,
different
species
remediate
at
rates
using
either
or
multiple
mechanisms.
To
effectiveness
phytoremediation,
it
essential
thoroughly
understand
mechanisms
control
accumulation
persistence
plants,
including
absorption,
translocation,
elimination
processes.
what
missing
understanding
depth
idea
on
how
limitations
overcome.
The
addressed
various
strategies,
natural
chemical
amendments,
engineering,
microbial
stimulation,
broadly
categorized
amelioration
capacity
enhancement
approaches.
This
review
presents
a
concise
overview
latest
employed
this
process.
Moreover,
also
underscores
creditability
pollution
offers
promising
approach
for
eliminating
sites
restoring
their
productivity.
Additionally,
we
recommend
directing
future
toward
enhancing
biochemical
capabilities
remediation
purposes,
elucidating
molecular
underlying
damage
caused
by
fundamental
principles
regulating
enrichment
plants.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
13
Опубликована: Янв. 19, 2023
The
world
has
experienced
an
unprecedented
boom
in
nanotechnology.
Nanoparticles
(NPs)
are
likely
to
act
as
biostimulants
various
plants
due
having
high
surface/volume
value.
However,
understanding
the
actual
effect
of
NPs
is
essential
discriminate
them
from
other
counterparts
terms
being
applicable,
safe
and
cost-effective.
This
study
aimed
assay
impact
manganese(III)
oxide
(Mn2O3)-NPs
via
seed-priming
(SP)
a
combination
SP
foliar
application
(SP+F)
on
Artemisia.
annua
performance
at
several
times
intervals
comparison
with
available
manganese
(Mn)
forms.
Our
findings
indicate
that
MnSO4
Mn2O3-NPs
stimulates
processes
occur
prior
germination
thus
reduces
time
for
radicle
emergence.
In
both
applications
(i.e.,
+F),
none
Mn
treatments
did
show
adverse
phytotoxic
A.
growth
morpho-physio
biochemical
levels
except
Mn2O3,
which
delayed
further
plant
growth,
subsequently.
Besides,
physio-biochemical
data,
it
can
be
inferred
general
mechanism
mode
action
mainly
attributed
induce
photosynthetic
processes,
stimulate
superoxide
dismutase
(SOD)
activity,
up-regulation
proline
phenolic
compounds.
Therefore,
our
results
showed
enzymatic
non-enzymatic
antioxidants
could
influenced
by
type-dependent
manner.
general,
this
revealed
tested
condition
used
improve
germination,
seedling
development
growth.
they
not
effective
treatments.
Nonetheless,
these
consider
develop
priming
future
studies
seed
quality
plants.
Nanomaterials,
Год журнала:
2023,
Номер
13(9), С. 1453 - 1453
Опубликована: Апрель 24, 2023
This
paper
explores
the
potential
of
nano
seed
priming
with
calcium
oxide
nanoparticles
in
maintaining
redox
status
carom
(Trachyspermum
ammi
L.)
plants
by
modulating
non-enzymatic
antioxidants
and
enzymatic
antioxidants.
Calcium
were
prepared
four
testing
regimes
comprising
25,
50,
75,
100
ppm
along
control
treatment
0
(distilled
water).
Priming
was
performed
soaking
seeds
aerated
water,
grown
under
split
plots
corresponding
to
drought
water.
Seed
75
CaONPs
reduced
hydrogen
peroxide,
malondialdehyde
contents
electrolyte
leakage
23.3%,
35.9%
31.6%,
respectively,
water-stressed
plants.
The
glutathione
s-transferase,
superoxide
dismutase
peroxidase
functions
improved
water
stress
42.3%,
24.1%
44.8%,
raised
through
primed
CaO_NPs.
induced
better
Ca2+
signaling,
which
affected
enzymes
ascorbate
cycle,
enabling
them
maintain
exposed
stress.
morpho-agronomic
traits
terms
number
umbels,
hundred
weights,
shoot
root
length
biomass
significantly
upon
treatments.
CaO_NPs
is
a
viable
strategy
combat
reactive
oxygen
species-mediated
damages
Frontiers in Plant Science,
Год журнала:
2025,
Номер
16
Опубликована: Март 6, 2025
Direct
seeding
of
rice
(DSR)
is
a
widely
used
method
for
its
labor-
and
cost-saving
advantages.
However,
the
global
intensification
soil
salinization
presents
significant
challenge
to
food
security.
Increasing
sowing
rates
common
practice
enhance
germination
under
salt
stress,
although
it
leads
higher
seed
costs.
Recently,
priming
has
emerged
as
an
effective
technique
improve
seedling
emergence
abiotic
but
regulation
treatment
on
rate
DSR
saline
conditions
rarely
been
reported.
Therefore,
field
experiments
were
conducted
at
two
salinity
levels
1.5‰
(1.5
g
kg
−1
)
(T2)
3.0‰
(3
(T3)
one
non-saline
condition
(0‰)
(T1).
The
control
(P1)
consisted
non-primed
seeds,
while
treatments
included
160
mg
L
−
¹
ascorbic
acid
(P2),
γ-aminobutyric
(P3),
200
zinc
oxide
nanoparticles
(P4);
three
applied:
90
(S1),
150
(S2),
240
seeds
m
−2
(S3).
Our
results
demonstrated
that
T1–T3,
rate,
α-amylase
activity,
soluble
sugar
protein
contents
significantly
increased
after
treatments.
reactive
oxygen
species
(i.e.,
O
2
H
malondialdehyde
(MDA)
decreased,
activities
enzymatic
antioxidants
superoxide
dismutase,
peroxidase,
catalase)
K
+
/Na
ratio
above
Under
grain
yield
by
13.39%–36.94%
treatments,
primarily
due
enhanced
germination,
which
boosted
panicle
number
per
unit
area.
Among
P2–P4
P4
consistently
resulted
in
highest
increase
(26.96%–36.94%)
compared
P1,
outperforming
P2
P3
T1–T3.
Furthermore,
with
was
equivalent
obtained
without
.
potential
mechanisms
tolerance
include
osmoregulatory
substances
elevated
antioxidant
enzymes,
collectively
support
improved
germination.
optimize
economic
benefits
when
concentration
below
3‰,
could
be
reduced
using
ZnO-nanoparticle
treatment.