Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 13, 2024
Abstract
Climate
change
and
human
activity
have
led
to
an
increase
in
salinity
levels
the
toxicity
of
chromium
(Cr).
One
promising
approach
modifying
these
stressors
plants
is
use
effective
nanoparticles
(NPs).
It
unclear
which
well-known
NPs
are
most
controlling
Cr,
as
well
one
Cr
more
dangerous
for
plants.
Although
titanium
dioxide
(TiO2
NPs)
been
used
recently
decrease
salt
toxicity,
it
how
TiO2
compare
function
conjunction
with
hydroxyapatite
(HAP
NPs).
The
objective
current
study
was
determine
effects
foliar-applied
(15
mg
L−
1)
HAP
(250
separately
combination
on
growth,
photosynthesis,
water
content,
lipid
peroxidation,
antioxidant
capacity,
phenolic
essential
oils
(EOs)
Solidago
Canadensis
L.
under
(100
mM
NaCl)
kg−
1
soil).
Salinity
deleterious
than
by
decreasing
plant
weight,
chlorophyll
(Chl),
relative
content
(RWC),
EO
yield,
increasing
malondialdehyde
(MDA),
electrolyte
leakage
(EL),
superoxide
dismutase
(SOD)
activity,
catalase
(CAT)
activity.
co-application
proved
be
successful.
This
evidenced
increased
shoot
weight
(36%),
root
(29%),
Chl
a
+
b
(23%),
RWC
(15%),
total
(TPC,
34%),
flavonoid
(TFC,
28%),
yield
(56%),
decreased
MDA
(21%),
EL
(11%),
SOD
(22%)
CAT
(38%)
salt-exposed
results
demonstrated
strategy
combining
modify
abiotic
stress.
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 13, 2024
Abstract
Salt
stress
(SS)
has
emerged
as
one
of
the
most
pressing
environmental
threats
to
production
sustainability
oil-seed
crops
like
camelina
which
necessitates
finding
out
pro-environment
and
biologically
feasible
amelioration
approaches.
A
study
was
performed
investigate
effects
exogenously
applied
silicon
(Si)
selenium
(Se)
on
two
varieties
(Australian
Canadian)
under
SS
conditions.
The
trial
comprised
doses
Si
Se
(5
10
ppm
each)
along
with
co-application
treatments
entailing
(5pp)
+
(5ppm)
(10
pp)
ppm),
whereas
control
were
kept
for
comparison
purpose.
response
variables
included
root-shoot
length,
fresh
dry
weights,
well
leaf
photosynthetic
pigment
content
(chlorophyll
a,
chlorophyll
b,
total
chlorophyll,
carotenoids),
gas
exchange
attributes,
biochemical
characters
(total
proline,
soluble
sugar,
protein,
free
amino
acid)
antioxidant
activities
(APX,
POD,
CAT,
SOD).
Results
showed
that
significantly
reduced
all
growth
attributes
camelina,
Australian
variety
demonstrated
greater
salinity
tolerance
in
Canadian
variety.
ppm)
outperformed
rest
by
recording
highest
a
(1.69
mg/g
FW),
b
(1.02
carotenoids
(2.89
rate
(17.02
µmole
CO2
m−
2
s−
1),
transpiration
(3.65
stomatal
conductance
(0.38
proline
(199.38
µmole/g
DW),
sugar
(120.95
protein
(12.02
DW)
acid
(37.15
compared
camelina.
same
treatment
also
remained
effective
triggering
activity
APX
(3.89
Unit/min/g
CAT
(165.19
POD
(178.95
SOD
(237.63
FW).
Thus,
combined
exogenous
application
holds
bright
perspectives
alleviating
deleterious
impact
especially
variety,
could
be
recommended
growers
after
thorough
field
investigations.
