Metabolites,
Год журнала:
2024,
Номер
14(4), С. 241 - 241
Опубликована: Апрель 21, 2024
The
exogenous
application
of
bioregulators,
such
as
salicylic
acid
(SA),
has
exhibited
promising
outcomes
in
alleviating
drought
stress.
Nevertheless,
its
impact
on
culantro
(Eryngium
foetidum
L.)
remains
unexplored.
Thus,
the
aim
this
study
was
to
assess
how
SA
impacts
growth,
morphophysiology,
and
essential
oil
composition
when
subjected
drought.
To
achieve
this,
plants
were
grown
under
three
different
watering
regimes:
well-watered,
drought-stressed,
re-watered.
Additionally,
they
either
treated
with
(100
µM)
or
left
untreated,
water
serving
control.
did
not
mitigate
effects
biomass
production
but
increased
biomass,
leaf
number,
area,
photosynthetic
pigments
well-irrigated
re-watered
conditions.
After
a
period
followed
by
re-watering,
recovered
membrane
integrity
independently
application.
Water
stress
also
modulated
profile
oils.
This
is
first
report
about
affecting
growth
culantro.
Revista Brasileira de Engenharia Agrícola e Ambiental,
Год журнала:
2024,
Номер
28(4)
Опубликована: Март 1, 2024
ABSTRACT
Salt
stress
hampers
the
growth
and
physiology
of
nasturtium
(Tropaeolum
majus),
due
to
biochemical,
physiological,
anatomical
disruptions.
The
application
salicylic
acid
stands
as
an
alternative
alleviate
detrimental
effects
salt
stress,
but
studies
on
are
scarce.
Thus,
aim
present
study
was
assess
foliar
cultivated
under
stress.
experiment
followed
a
completely
randomized
design
in
3
x
factorial
scheme,
with
0
(no
stress),
50
(moderate
100
(severe
stress)
mM
NaCl,
0,
0.5,
1
acid,
each
six
replications.
Growth
(plant
height,
stem
diameter,
number
leaves),
gas
exchange
(stomatal
conductance,
photosynthesis,
transpiration,
internal
CO2
concentration,
intrinsic
water
use
efficiency,
instantaneous
carboxylation
efficiency),
well
chlorophyll
indices
fluorescence
were
evaluated.
affected
variables
analyzed
this
study.
had
positive
effect
mitigating
severe
resulting
significant
increase
leaves.
most
effective
dose
mM,
also
leading
notable
improvements
efficiency
photochemical
efficiency.
However,
other
combinations
salinity
reduced
plants.
Notulae Botanicae Horti Agrobotanici Cluj-Napoca,
Год журнала:
2024,
Номер
52(1), С. 13472 - 13472
Опубликована: Фев. 22, 2024
During
21st
century,
abiotic
stress
has
adversely
affected
the
agriculture
crop
production
around
globe.
Keeping
in
view
food
requirement
under
water
shortage
condition,
a
study
was
planned
to
investigate
effect
of
thiamine
application
on
radish
drought
conditions
plant.
For
purpose,
two
varieties
locally
available
(‘Early-Milo’
and
‘Laal-Pari’)
were
grown
with
normal
as
well
(100
mg
L-1)
while
maintaining
condition
(60%
field
capacity).
Increasing
deficit
linearly
reduced
plant
growth,
yield
biomass
both
by
reducing
use
efficiency,
significantly
enhanced
these
attributes
application.
Thiamine
exerted
significant
impacts
physiological
varieties,
including
osmolytic
attribute
improvements
superoxide
dismutase
(SOD),
peroxidase
(POD),
catalase
(CAT),
H2O2,
malondialdehyde
(MDA)
activities
leaves.
Antioxidant
osmoprotectant
upregulation
positively
linked
crop's
tolerance.
Moreover,
PCA
heatmap
analysis
revealed
interdependence
among
various
traits
interconnected
determining
capacity
sustain
growth
stress.
In
crux,
conclusively
enhances
yield,
biomass,
physio-chemical
attributes,
ionic
composition
enzymatic
antioxidant
potential.
Therefore,
it
is
recommended
consider
commercial
practices
mitigate
negative
effects
production.
