Horticulturae,
Год журнала:
2024,
Номер
10(5), С. 493 - 493
Опубликована: Май 10, 2024
Yellow
pitahaya
(Selenicereus
megalanthus
Haw.)
is
an
exotic
fruit
with
great
potential
for
exportation
in
Ecuador.
The
research
was
carried
out
the
objective
of
evaluating
growth
and
ripening
as
affected
by
four
elicitors:
salicylic
acid
(SA),
methyl
salicylate
(MeSa),
jasmonate
(MeJa),
oxalic
(OA),
all
them
at
1,
5,
10
mM
concentration,
compared
untreated
plants
(control).
For
each
elicitor,
nine
were
selected,
on
plant,
three
fruits
marked
to
follow
up
measuring
polar
equatorial
diameters.
At
harvest,
yield
(kg
plant−1
number
plant−1),
weight,
percentage
pulp
skin,
total
soluble
solids
(TSS),
titratable
acidity
(TA),
firmness
determined.
Treated
enhanced
size,
crop
yield,
weight
control
fruits,
although
results
depended
elicitor
tested
applied
doses.
highest
lowest
TSS
found
MeSa
5
MeJa-treated
fruit,
respectively,
while
TA
content
shown
SA.
Firmness
only
fruits.
Overall,
suggest
that
preharvest
use
elicitors
could
modulate
improve
quality
attributes
harvest.
Plant Stress,
Год журнала:
2024,
Номер
11, С. 100427 - 100427
Опубликована: Март 1, 2024
Since
the
beginning
of
21st
century,
climate
change
has
been
pervasive.
Such
climatic
instabilities
not
only
trigger
plants'
adaptability
and
survivability
in
harsh
environments,
but
also
sustain
spread
a
broad
spectrum
pathogens
including
bacteria,
fungi,
viruses,
that
create
disease
pressure
by
affecting
plant
health
immune
barrier.
Salicylic
acid
(SA)
is
potent
phytohormone
signaling
molecule
plays
pivotal
roles
physio-biochemical
processes
during
development.
In
addition
to
its
widely
known
role
abiotic
stress
response,
SA
vital
response
biotic
stresses
through
their
pathways,
molecular
interactions,
corresponding
interactions
with
other
phytohormones
like
jasmonic
acid,
ethylene,
abscisic
etc.
this
perspective,
dictated
plethora
interacting
genes,
proteins,
transcription
factors
(TFs).
The
genes
genetic
regulators
(TFs
regulatory
proteins)
are
associated
fine-tune
activating
systemic
localized
cascade,
triggering
for
pathogenesis-related
(PR)
phytoalexins,
etc.,
modulate
pathogen
effectors.
way,
boosts
plant's
system
acquired
resistance
(SAR)
induced
(ISR).
addition,
gene
editing
epigenetic
regulation
SA-responsive
valuable
innovative
tools
understand
decipher
complex
SA-involved
mechanism
future
utilities
make
climate-adaptive
plants
resistance.
Plants,
Год журнала:
2023,
Номер
12(13), С. 2519 - 2519
Опубликована: Июнь 30, 2023
Maize
(Zea
mays
L.)
is
a
salt-sensitive
plant
that
experiences
stunted
growth
and
development
during
early
seedling
stages
under
salt
stress.
Salicylic
acid
(SA)
major
hormone
has
been
observed
to
induce
resistance
in
plants
against
different
abiotic
stresses.
Furthermore,
growth-promoting
rhizobacteria
(PGPR)
have
shown
considerable
potential
conferring
salinity
tolerance
crops
via
facilitating
promotion,
yield
improvement,
regulation
of
various
physiological
processes.
In
this
regard,
combined
application
PGPR
SA
can
wide
applicability
supporting
We
investigated
the
impact
on
attributes
maize
explored
role
mitigating
effect
Three
levels
were
developed
(original,
4
8
dS
m-1)
pots
using
NaCl.
seeds
inoculated
with
salt-tolerant
Pseudomonas
aeruginosa
strain,
whereas
foliar
was
given
at
three-leaf
stage.
stress
adversely
affected
growth,
yield,
compared
control.
However,
both
individual
applications
alleviated
negative
effects
improved
all
measured
attributes.
The
response
+
significant
enhancing
shoot
root
dry
weights
(41
56%),
relative
water
contents
(32%),
chlorophyll
b
(25
27%),
grain
(41%)
higher
level
(i.e.,
as
untreated
unstressed
Moreover,
alterations
ascorbate
peroxidase
(53%),
catalase
(47%),
superoxide
dismutase
(21%),
MDA
(40%),
Na+
(25%),
K+
(30%)
concentration
leaves
pragmatic
SA.
concluded
integration
efficiently
improve
stressed
conditions.
Plants,
Год журнала:
2023,
Номер
12(23), С. 3982 - 3982
Опубликована: Ноя. 27, 2023
Plants,
being
sessile,
have
developed
complex
signaling
and
response
mechanisms
to
cope
with
biotic
abiotic
stressors.
Recent
investigations
revealed
the
significant
contribution
of
phytohormones
in
enabling
plants
endure
unfavorable
conditions.
Among
these
phytohormones,
jasmonic
acid
(JA)
its
derivatives,
collectively
referred
as
jasmonates
(JAs),
are
particular
importance
involved
diverse
signal
transduction
pathways
regulate
various
physiological
molecular
processes
plants,
thus
protecting
from
lethal
impacts
Jasmonic
has
emerged
a
central
player
plant
defense
against
stress
alleviating
multiple
stressors
such
drought,
salinity,
vernalization,
heavy
metal
exposure.
Furthermore,
growth
regulator,
JA
operates
conjunction
other
through
cascade
balance
development
stresses.
Although
studies
reported
intricate
nature
biomolecular
entity
for
mitigation
stressors,
their
underlying
mechanism
biosynthetic
remain
poorly
understood.
Therefore,
this
review
offers
an
overview
recent
progress
made
understanding
biosynthesis
JA,
elucidates
complexities
pathways,
emphasizes
pivotal
role
mitigating
Moreover,
we
also
discuss
current
issues
future
research
directions
JAs
responses.
Heliyon,
Год журнала:
2024,
Номер
10(5), С. e26077 - e26077
Опубликована: Фев. 13, 2024
Water
deficit
is
a
critical
obstacle
that
devastatingly
impacts
rice
production,
particularly
in
arid
regions
under
current
climatic
fluctuations.
Accordingly,
it
decisive
to
reinforce
the
drought
tolerance
of
by
employing
sustainable
approaches
enhance
global
food
security.
The
present
study
aimed
at
exploring
effect
exogenous
application
using
different
biostimulants
on
physiological,
morphological,
and
yield
attributes
diverse
genotypes
water
well-watered
conditions
2-year
field
trial.
Three
(IRAT-112,
Giza-178,
IR-64)
were
evaluated
(14400
m
Frontiers in Plant Science,
Год журнала:
2024,
Номер
14
Опубликована: Янв. 12, 2024
Introduction
Pterocarya
fraxinifolia
(Poiret)
Spach
(Caucasian
wingnut,
Juglandaceae)
is
a
relict
tree
species,
and
little
known
about
its
tolerance
to
abiotic
stress
factors,
including
drought
heavy
metal
toxicity.
In
addition,
salicylic
acid
(SA)
has
been
shown
have
pivotal
role
in
plant
responses
biotic
stresses.
Methods
The
current
study
focused
on
evaluating
the
impact
of
foliar
application
SA
mediating
Caucasian
wingnut
physiological
biochemical
responses,
growth,
relative
water
content
(RWC),
osmotic
potential
(Ψs),
quantum
yield
(Fv/Fm),
electrolyte
leakage,
lipid
peroxidation,
hydrogen
peroxide,
antioxidant
enzymes,
cadmium
(Cd;
100
µM)
stress,
as
well
their
interaction.
Moreover,
activity
(e.g.,
ascorbate
peroxidase,
catalase,
glutathione
reductase,
superoxide
dismutase
activities)
stressed
trees
was
investigated.
conducted
6-month-old
seedlings
under
controlled
environmental
conditions
greenhouse
for
3
weeks.
Results
discussion
Leaf
length,
RWC,
Ψs,
Fv/Fm
were
decreased
all
treatments,
although
effect
most
pronounced.
An
efficient
defense
mechanism
detected
wingnut.
SA-treated
plants
had
lower
one
indicators
oxidative
when
compared
non-SA-treated
groups,
suggesting
this
Cd
combination.
Cadmium
also
changed
ion
concentrations
causing
excessive
accumulation
leaves.
These
results
highlight
beneficial
function
reducing
negative
effects
plants.
Abstract
Climate
change,
driven
by
human
activities
and
natural
processes,
has
led
to
critical
alterations
in
varying
patterns
during
cropping
seasons
is
a
vital
threat
global
food
security.
The
climate
change
impose
several
abiotic
stresses
on
crop
production
systems.
These
include
extreme
temperatures,
drought,
salinity,
which
expose
agricultural
fields
more
vulnerable
conditions
lead
substantial
yield
quality
losses.
Plant
hormones,
especially
salicylic
acid
(SA),
crucial
roles
for
plant
resiliency
under
unfavorable
environments.
This
review
explores
the
genetics
molecular
mechanisms
underlying
SA's
role
mitigating
stress-induced
damage
plants.
It
also
SA
biosynthesis
pathways,
highlights
regulation
of
their
products
stresses.
Various
possible
modes
action
are
discussed,
along
with
unraveling
genetic
genes
involved
responses
stress
conditions.
Additionally,
this
investigates
pathways
through
exerts
its
protective
effects,
such
as
redox
signaling,
cross-talks
other
mitogen-activated
protein
kinase
pathways.
Moreover,
discusses
potentials
using
engineering
approaches,
CRISPR
technology,
deciphering
enhancing
resilience
related
comprehensive
analysis
bridges
gap
between
response
stressors.
Overall
goal
highlight
significance
safeguarding
plants
offering
insights
hormone
sustainable
agriculture
challenging
environmental
