Chemical Seed Priming: Molecules and Mechanisms for Enhancing Plant Germination, Growth, and Stress Tolerance
Current Issues in Molecular Biology,
Journal Year:
2025,
Volume and Issue:
47(3), P. 177 - 177
Published: March 7, 2025
Food
security
is
one
of
the
world’s
top
challenges,
specifically
considering
global
issues
like
climate
change.
Seed
priming
strategy
to
improve
crop
production,
typically
via
increased
germination,
yields,
and/or
stress
tolerance.
Hydropriming,
or
soaking
seeds
in
water
only,
simplest
form
seed
priming.
However,
addition
certain
agents
has
resulted
a
variety
modified
strategies,
including
osmopriming,
halopriming,
hormonal
priming,
PGR
nutripriming,
and
others.
Most
current
research
focused
on
nutripriming.
This
review
will
focus
specific
compounds
that
have
been
used
most
often
over
past
3
years
physiological
effects
they
had
crops.
Over
half
recent
four
compounds:
(1)
salicylic
acid,
(2)
zinc,
(3)
gibberellic
(4)
potassium
nitrate.
One
interesting
characteristics
all
chemical
are
exposed
only
yet
confer
benefits
throughout
plant
development.
In
some
cases,
such
passed
subsequent
generations,
suggesting
an
epigenetic
effect,
which
supported
by
observed
changes
DNA
methylation
histone
modification.
summarize
state
knowledge
molecular
mechanisms
associated
with
discuss
avenues
for
future
research.
Language: Английский
Seed priming with salicylic acid enhances salt stress tolerance by boosting antioxidant defense in Phaseolus vulgaris genotypes
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: April 17, 2025
Salinity
stress
significantly
threatens
seed
germination,
plant
growth,
and
agricultural
productivity,
necessitating
effective
mitigation
strategies.
This
study
evaluates
the
potential
of
salicylic
acid
(SA)
pretreatment
to
alleviate
detrimental
effects
salinity
on
common
bean
(Phaseolus
vulgaris)
genotypes.
SA,
a
phenolic
hormone,
is
crucial
for
regulating
responses,
essential
physiological
processes,
including
germination
ion
transport.
Previous
research
has
established
general
benefits
SA
in
enhancing
tolerance,
but
specific
mechanisms
genotypes
remain
underexplored.
focuses
impact
seedling
growth
various
genotypes,
efficacy
these
genotypes'
tolerance
stress,
underlying
biochemical
mechanisms,
particularly
involving
antioxidant
defense
system.
The
was
conducted
two
phases:
growth.
Ten
commercial
varieties
were
exposed
varying
levels
alongside
concentrations
assess
performance.
Subsequently,
six
one
variety
evaluated
under
controlled
salt
conditions
(100
mM
200
NaCl),
with
treatments
at
0,
0.5,
1
mM.
Results
revealed
that
severely
impaired
traits,
which
enhanced
by
pretreatment.
During
phase,
resulted
reduced
protein,
chlorophyll,
carotenoid
content,
decreased
potassium
(K⁺)
levels,
diminished
water
while
increasing
electrolyte
leakage,
malondialdehyde
(MDA)
sodium
(Na⁺)
concentrations,
enzyme
activities,
proline
levels.
Importantly,
elevated
chlorophyll
protein
improved
retention,
moderated
K⁺
Na⁺
their
ratios
conditions.
also
system,
reducing
oxidative
damage
induced
stress.
Principal
component
analysis
(PCA)
successfully
categorized
into
semi-tolerant,
tolerant,
semi-sensitive,
sensitive
classes
based
responses.
Notably,
Jules
exhibited
exceptional
resilience
during
both
stages,
indicating
its
as
superior
candidate
cultivation
salt-affected
regions.
highlights
an
strategy
enhance
novelty
this
work
lies
detailed
elucidation
SA's
role
modulating
defenses
homeostasis
different
providing
new
insights
breeding
programs
practices
aimed
improving
crop
productivity
increasingly
saline
environments.
Language: Английский
Camel Urine-Priming Induced Defense Mechanisms in Barley against Fusarium graminearum
Layla Yousif Abdullah Al Hijab
No information about this author
Biocatalysis and Agricultural Biotechnology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 103606 - 103606
Published: May 1, 2025
Language: Английский
Improving sorghum growth under organic salt stress using SDS-AOT mixed micelle encapsulated indole-3-butyric acid
Shachi Tiwari,
No information about this author
Adesh Kumar,
No information about this author
Anirudh Srivastava
No information about this author
et al.
Journal of Molecular Liquids,
Journal Year:
2025,
Volume and Issue:
unknown, P. 127754 - 127754
Published: May 1, 2025
Language: Английский
Priming with Moringa Leaf Extract Improves the Germination and Growth of Bottle Gourd (Lagenaria siceraria L.)
Aspian Noor,
No information about this author
Niaz Ahmed Wahocho,
No information about this author
Nadia Haider
No information about this author
et al.
Published: Dec. 30, 2024
Several
biotic
and
abiotic
stresses
negatively
influence
the
germination
of
vegetable
crop
seeds,
which
ultimately
lead
to
poor
seedling
establishment.
Among
vegetables,
cucurbits
are
a
largely
demanded
group
but
most
vegetables
this
have
hard
seed
coat
hinders
resilient
germination.
Similarly,
seeds
bottle
gourd
encounter
disrupted
However,
research
methods
been
moved
towards
quick
approaches
that
can
enhance
under
varying
environmental
stresses,
priming
is
one
such
method
tendency
uniform
Therefore,
pot
experiment
was
conducted
at
Horticulture
Garden,
Sindh
Agriculture
University
Tandojam
during
summer
2023
for
investigating
growth
response
Bottle
with
moringa
leaf
extract
(MLE)
concentrations.
The
via
three
replicates
using
Completely
Randomized
Design
(CRD).
methodically
structured
treatments
were:
T1
=
Control,
T2
Tap
water,
T3
1%
MLE,
T4
3%
T5
5%
MLE
T6
7%
MLE.
findings
study
revealed
primed
resulted
in
maximum
germination,
index,
vigor
plant
height,
number
leaves
plant-1,
fresh
shoot
biomass,
root
length
chlorophyll
content.
minimum
result
all
parameters
found
control.
Based
on
present
study,
it
be
concluded
significantly
enhanced
performance
gourd.
Language: Английский