Horticulturae,
Год журнала:
2024,
Номер
10(12), С. 1340 - 1340
Опубликована: Дек. 13, 2024
Biostimulants
such
as
seaweed
extracts
are
emerging
crop
management
products
that
can
enhance
productivity
and
nutritional
quality
under
abiotic
stress
conditions.
Therefore,
this
study
aimed
to
assess
the
effectiveness
of
a
seaweed-derived
biostimulant
(Kelpak®)
in
alleviating
salinity
spinach.
A
greenhouse
experiment
which
consisted
five
treatments
(T1
=
Control
plants
(no
NaCl
or
extract
(SWE),
T2
subjected
300
mM
without
SWE,
T3
+
1%
dilution
T4
2.5%
T5
5%
SWE)
was
conducted.
The
results
showed
addition
SWE
reduced
growth,
relative
water
content,
chlorophyll,
quality.
Similarly,
induced
severe
oxidative
stress,
indicated
by
excessive
amounts
superoxide
radicals,
malondialdehyde
upregulation
catalase,
peroxidase,
polyphenols,
flavonoids.
Interestingly,
treated
with
displayed
substantial
enhancement
performance,
reduction
improved
quality,
characterised
considerable
minerals,
proximate
constituents,
vitamins.
These
support
use
enhancing
growth
spinach
saline
cultivation.
White
lupin
(Lupinus
albus
L.)
is
a
multi-purpose,
climate
resilient,
pulse
crop
with
exceptionally
high
protein
content
that
makes
it
suitable
alternative
of
soybean
in
livestock
feed.
Although
white
grows
well
on
marginal
sandy
soils,
previous
studies
have
reported
its
sensitivity
towards
salinity
stress.
This
experiment
aims
to
assess
the
influence
stress
and
mitigating
role
plant
growth
regulators
(PGRs)
performance
lupin.
The
plants
were
sown
pots
maintained
at
three
levels
(1,
3
4.5
dS
m−
1)
throughout
growing
season
foliar
sprayed
different
PGRs,
including
ascorbic
acid,
potassium
chloride,
boric
ammonium
molybdate
methionine
sowing,
four
weeks
after
emergence
initiation
flowering.
Foliar
spray
distilled
water
level
1
as
control
treatments.
Data
recorded
for
seed
germination
indices,
growth,
antioxidant
enzymes
photosynthetic
efficiency
variables.
severe
(4.5
reduced
indices
by
9–50%,
traits
26–54%,
root
nodulation
12–26%,
grain
development
44–53%,
activity
13–153%
attributes
1–8%
compared
(1
1).
Different
PGRs
improved
several
morpho-physiological
varied
manner.
application
chloride
vigour
index
53%,
while
acid
12%
number
pods
per
cluster
75%
level.
also
displayed
recovery
140%
superoxide
dismutase
70%
catalase.
multi
zinc
an
improvement
37%
relative
chlorophyll,
brought
increase
25%
non-photochemical
quenching
21%
photochemical
coefficient
On
contrary,
relatively
modest
(8–13%)
quantum
yield
photosystem
II
slight
moderate
(3
correlation
analysis
confirmed
partial
contribution
leaf
area
overall
Clearly,
exerted
negative
impact
through
decline
chlorophyll
content,
apparatus.
However,
especially
considerably
effects
Horticulturae,
Год журнала:
2024,
Номер
10(12), С. 1340 - 1340
Опубликована: Дек. 13, 2024
Biostimulants
such
as
seaweed
extracts
are
emerging
crop
management
products
that
can
enhance
productivity
and
nutritional
quality
under
abiotic
stress
conditions.
Therefore,
this
study
aimed
to
assess
the
effectiveness
of
a
seaweed-derived
biostimulant
(Kelpak®)
in
alleviating
salinity
spinach.
A
greenhouse
experiment
which
consisted
five
treatments
(T1
=
Control
plants
(no
NaCl
or
extract
(SWE),
T2
subjected
300
mM
without
SWE,
T3
+
1%
dilution
T4
2.5%
T5
5%
SWE)
was
conducted.
The
results
showed
addition
SWE
reduced
growth,
relative
water
content,
chlorophyll,
quality.
Similarly,
induced
severe
oxidative
stress,
indicated
by
excessive
amounts
superoxide
radicals,
malondialdehyde
upregulation
catalase,
peroxidase,
polyphenols,
flavonoids.
Interestingly,
treated
with
displayed
substantial
enhancement
performance,
reduction
improved
quality,
characterised
considerable
minerals,
proximate
constituents,
vitamins.
These
support
use
enhancing
growth
spinach
saline
cultivation.
