Journal of Agronomy and Crop Science,
Journal Year:
2024,
Volume and Issue:
211(1)
Published: Dec. 30, 2024
ABSTRACT
This
meta‐analysis
assesses
the
effects
of
melatonin
(Mel)
on
various
wheat
agronomic
traits,
revealing
significant
heterogeneity
and
potential
publication
bias.
comprehensive
analysis
highlights
variability
across
studies
(
I
2
>
98%
for
overall,
leaf
area,
root
shoot
weight),
indicating
a
selective
reporting
in
analysed
studies.
Grain
yield
weight
showed
values
93.78%
99.54%,
respectively,
confirming
complex
nature
melatonin's
impact,
which
necessitates
use
random‐effects
models.
Notably,
study
uncovers
traits
p
<
0.05).
Mel
increased
grain
by
33.50%
positively
influenced
weights
compared
to
control
(no
melatonin;
nMel).
However,
varied
different
concentration,
application
method
environmental
stressors.
significantly
with
application,
particularly
foliar
spray
41.40%,
nMel.
consistently
enhanced
overall
response
ratio
(ln
RR
)
yield,
weight,
length,
plant
height,
33.50%,
24.01%,
21.28%,
32.99%,
36.33%,
15.94%,
22.14%
20.86%
Compared
nMel,
most
pronounced
was
observed
under
salt
stress
conditions.
The
benefits
were
more
Egypt,
where
52.91%,
suggesting
that
local
factors
influence
its
efficacy.
Its
impact
cultivars,
Jimai_22
length
70.83%
Sids_14
56.39%
emphasising
importance
genetic
factors.
Cd
conditions
336%
470%,
while
decreased
87%
waterlogging
no
indicates
greatly
resistance
abiotic
stresses
modulating
stress‐responsive
pathways
improving
traits.
Agriculture,
Journal Year:
2023,
Volume and Issue:
13(7), P. 1318 - 1318
Published: June 28, 2023
Plum
is
one
of
the
most
produced
stone
fruits
worldwide.
Melatonin
an
environmentally
eco-friendly
substance
that,
in
low
concentrations,
activates
defence
systems
against
biotic
and
abiotic
stresses.
This
considered
a
tool
that
could
increase
fruit
quality.
study
aimed
to
evaluate
impact
different
preharvest
foliar
applications
with
melatonin
concentrations
(0.1,
0.3,
0.5
mmol
L−1)
enhance
content
shelf
life
‘Primetime’
plum.
To
this
purpose,
two
three
were
carried
out
at
critical
stages
growth.
Different
quality
characteristics
such
as
size,
colour,
titratable
acidity,
total
soluble
solids,
ripening
index,
respiration
rate,
ethylene
production
anthocyanins
antioxidant
activity,
well
endogenous
content,
tested
harvest
after
40
days
cold
storage.
Results
showed
plums
received
3
L−1
enhanced
less
softening,
delayed
darkening,
higher
anthocyanin
concentration
activity
Therefore,
was
effective
improving
plums.
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(7), P. 6134 - 6134
Published: March 24, 2023
Melatonin
is
among
one
of
the
promising
agents
able
to
protect
agricultural
plants
from
adverse
action
different
stressors,
including
salinity.
We
aimed
investigate
effects
melatonin
priming
(0.1,
1.0
and
10
µM)
on
salt-stressed
potato
(125
mM
NaCl),
by
studying
growth
parameters,
photochemical
activity
photosystem
II,
water
status,
ion
content
antioxidant
system
activity.
as
a
pleiotropic
signaling
molecule
was
found
decrease
negative
effect
salt
stress
stolon
formation,
tissue
status
without
significant
expression
Na+/H+-antiporter
genes
localized
vacuolar
(NHX1
NHX3)
plasma
membrane
(SOS1).
effectively
decreases
accumulation
lipid
peroxidation
products
in
leaves
whole
range
concentrations
studied.
A
melatonin-induced
dose-dependent
increase
Fv/Fm
together
with
uncontrolled
non-photochemical
dissipation
Y(NO)
also
indicates
decreased
oxidative
damage.
The
observed
protective
ability
unlikely
due
its
influence
enzymes,
since
neither
SOD
nor
peroxidase
were
activated
melatonin.
exerted
positive
water-soluble
low-molecular-weight
antioxidants,
proline
flavonoids,
which
could
aid
decreasing
stress.
most
consistent
carotenoids,
are
well-known
lipophilic
antioxidants
playing
an
important
role
protection
photosynthesis
Finally,
it
possible
that
accumulated
during
pretreatment
exert
direct
antioxidative
ROS
scavenging
molecules.
Journal of Agronomy and Crop Science,
Journal Year:
2024,
Volume and Issue:
211(1)
Published: Dec. 30, 2024
ABSTRACT
This
meta‐analysis
assesses
the
effects
of
melatonin
(Mel)
on
various
wheat
agronomic
traits,
revealing
significant
heterogeneity
and
potential
publication
bias.
comprehensive
analysis
highlights
variability
across
studies
(
I
2
>
98%
for
overall,
leaf
area,
root
shoot
weight),
indicating
a
selective
reporting
in
analysed
studies.
Grain
yield
weight
showed
values
93.78%
99.54%,
respectively,
confirming
complex
nature
melatonin's
impact,
which
necessitates
use
random‐effects
models.
Notably,
study
uncovers
traits
p
<
0.05).
Mel
increased
grain
by
33.50%
positively
influenced
weights
compared
to
control
(no
melatonin;
nMel).
However,
varied
different
concentration,
application
method
environmental
stressors.
significantly
with
application,
particularly
foliar
spray
41.40%,
nMel.
consistently
enhanced
overall
response
ratio
(ln
RR
)
yield,
weight,
length,
plant
height,
33.50%,
24.01%,
21.28%,
32.99%,
36.33%,
15.94%,
22.14%
20.86%
Compared
nMel,
most
pronounced
was
observed
under
salt
stress
conditions.
The
benefits
were
more
Egypt,
where
52.91%,
suggesting
that
local
factors
influence
its
efficacy.
Its
impact
cultivars,
Jimai_22
length
70.83%
Sids_14
56.39%
emphasising
importance
genetic
factors.
Cd
conditions
336%
470%,
while
decreased
87%
waterlogging
no
indicates
greatly
resistance
abiotic
stresses
modulating
stress‐responsive
pathways
improving
traits.