Potassium humate and cobalt enhance peanut tolerance to water stress through regulation of proline, antioxidants, and maintenance of nutrient homeostasis
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 18, 2024
Abstract
Water
stress
is
an
important
factor
that
substantially
impacts
crop
production.
As
a
result,
there
need
for
various
strategies
can
mitigate
these
negative
effects.
One
such
strategy
the
application
of
potassium
humate
(Kh)
and
cobalt
(Co),
which
have
been
reported
to
enhance
resistance
plants.
Therefore,
present
experiment
was
designed
investigate
whether
Kh
Co
could
positively
affect
proline,
chlorophyll
mineral
elements
contents,
antioxidant
defense
systems
in
turn
will
impact
water
under
different
irrigation
strategies.
In
2021
2022,
open-field
experiments
were
conducted
by
using
split-plot
design.
The
main
plots
divided
represent
(ST),
with
additional
control
full
requirements
(ST1).
Four
STs
implemented,
ST1,
followed
75%,
50%,
25%
ST2,
ST3,
ST4
respectively,
next
irrigation,
requirements,
so
on.
subplots,
peanut
plants
treated
tap
(Control),
at
2
g
l
−1
3
,
Co,
+
.
yield
negatively
affected
implementation
ST4,
despite
increase
proline
contents.
Furthermore,
decrease
relative
content,
enzymes,
protein,
nutrient
elements.
However,
or
showed
better
improvements
most
studied
parameters.
It
worth
noting
antagonistic
relationship
between
iron/manganese,
intensity
this
found
depend
on
implemented.
highest
accumulation,
protein
oil
seed
yield,
productivity
observed
when
ST2
strategy.
Language: Английский
Biostimulant-induced mitigation of cold and drought stresses in zucchini plants
Scientia Horticulturae,
Journal Year:
2024,
Volume and Issue:
331, P. 113114 - 113114
Published: March 19, 2024
Currently,
water
and
cold
stresses
are
among
the
primary
adverse
factors
affecting
global
crop
production.
Biostimulants
increasingly
recognized
as
valuable
tools
for
enhancing
plant
tolerance
to
abiotic
stresses.
F4.3S
is
a
novel
biostimulant
that
contains
compounds
such
allantoin,
ascorbate,
salicylic
acid,
amino
acids
glutamate,
proline,
glycine,
sources
of
selenium,
molybdenum,
cobalt.
The
objective
this
study
was
assess
zucchini
cv.
Dynaic
plants
supplied
with
identify
potential
action
mechanisms.
For
purpose,
an
experiment
set
up
in
pots
which
applied
before
after
subjecting
stress
conditions,
parameters
biomass,
stress,
photosynthesis,
ethylene
response
were
evaluated.
results
showed
presented
better
both
stresses,
reflected
higher
biomass.
mechanisms
could
be
stimulation
photosynthetic
efficiency,
preventing
excessive
stomatal
closure,
maintaining
high
rate
net
reducing
reactive
oxygen
species
generation.
Additionally,
increased
accumulation
protective
anti-stress
proline
carotenoids,
along
reduced
synthesis,
likely
contributed
plants'
enhanced
recovery
post-stress.
In
conclusion,
emerges
promising
agent
augmenting
crucial
sustainable
agricultural
practices.
Language: Английский
Synergistic effect of ammonium and potassium on carrot growth, physio-biochemical mechanisms, and water use efficiency under varying irrigation regimes
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: May 9, 2025
The
beneficial
effects
of
ammonium
nitrate
and
potassium
humate
on
carrots
are
well-documented.
However,
their
impact
physiological
biochemical
mechanisms
under
varying
irrigation
conditions
still
needs
to
be
explored.
Here,
we
investigated
the
soil-applied
foliar-applied
physio-chemical
characteristics
water
use
efficiency
carrot
plants
three
levels:
100%,
80%,
60%
crop
evapotranspiration
(ETc).
Carrot
were
treated
with
two
rates
soil
(200
250
kg
N
ha-
1),
foliar
400
g
100
L-
four
combinations
these
treatments.
Under
80%
ETc,
combined
applications
significantly
influenced
leaf
contents
chlorophyll
a,
nitrate,
ammonium,
catalase,
carbohydrate,
soluble
sugar
patterns,
enhancing
osmotic
regulation
deficit
conditions.
Interestingly,
when
irrigated
by
100%
ETc
instead
80
sprayed
1
in
combination
was
decreased
49.2
30.7%,
respectively.
We
attributed
that
to:
a),
observed
increments
NH4
concentrations
leaves
which
caused
negative
impacts
chlorophyll,
b)
change
C/N
N/P
ratios.
This
highlights
importance
choosing
a
suitable
pattern
for
crops
is
adapted.
Overall,
using
at
rate
200
attained
highest
yield
efficiency.
Language: Английский
Monitoring plant responses in field-grown peanuts exposed to exogenously applied chitosan under full and limited irrigation levels
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 15, 2024
Abstract
In
recent
decades,
numerous
studies
have
examined
the
effects
of
climate
change
on
responses
plants.
These
primarily
solitary
stress
plants,
neglecting
simultaneous
mixed
stress,
which
are
anticipated
to
transpire
frequently
as
a
result
extreme
climatic
fluctuations.
Therefore,
this
study
investigated
impact
applied
chitosan
boosting
resistance
peanuts
alkali
and
drought-alkali
stresses.
Peanuts
were
grown
in
mid-alkaline
soil
irrigated
with
full
irrigation
water
requirements
(100%IR),
represented
condition
(100%
IR
×
soil)
conditions
(70%
soil—represented
conditions).
Additionally,
plants
either
untreated
or
treated
foliar
chitosan.
The
evaluated
various
plant
physio-chemical
characteristics,
including
element
contents
(leaves
roots),
seed
yield,
use
efficiency
(IWUE).
Plants
that
experienced
found
be
more
vulnerable.
However,
applications
effective
for
reducing
(soil
pH
sodium
absorption),
alongside
promoting
measurements,
yield
traits,
IWUE.
Importantly,
when
was
under
conditions,
accumulations
(phosphorus,
calcium,
iron,
manganese,
zinc,
copper)
leaves
roots
maximized.
Under
stresses,
results
revealed
reduction
reaching
about
5.1
5.8%
lower
than
alkali),
first
second
seasons,
respectively.
Interestingly,
stresses
recorded
highest
values
relative
content,
proline,
IWUE,
nutrient
uptake
(nitrogen,
potassium,
magnesium)
well
lowest
content
roots.
Enhances
accumulation
(N,
K,
Mg)
instead
primary
response
applications,
averted
severe
damage
caused
by
over
time.
findings
provide
framework
homeostasis
changes
induced
Based
findings,
it
is
recommended
treat
This
approach
offers
promising
perspective
achieving
optimal
reduced
usage.
Language: Английский
Precise partial root-zone irrigation technique and potassium-zinc fertigation management improve maize physio-biochemical responses, yield, and water use in arid climate
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Aug. 15, 2024
Abstract
Background
To
optimize
irrigation
water
use
and
productivity,
understanding
the
interactions
between
plants,
techniques,
fertilization
practices
is
crucial.
Therefore,
experiment
aims
to
assess
effectiveness
of
two
application
methods
potassium
humate
combined
with
chelated
zinc
under
partial
root-zone
drip
techniques
on
maize
nutrient
uptake,
yield,
efficiency
across
levels.
Methods
Open-field
experiments
were
carried
out
in
summer
seasons
2021
2022
alternate
fixed
investigate
their
impacts
at
levels
applied
foliar
soil
applications
or
a
sole
combinations
maize.
Results
Deficit
significantly
increased
hydrogen
peroxide
decreased
proline,
antioxidant
enzymes,
carbohydrate,
chlorophyll
(a
+
b),
uptake
both
techniques.
The
implementation
drought
conditions
led
varying
enzymes
nutritional
status,
depending
type
technique.
Meanwhile,
results
showed
that
diminished
negative
effects
stress
by
enhancing
phosphorus
(53.8%),
(59.2%),
proline
(74.4%)
catalase
(75%);
compared
control.
These
enhancements
may
contribute
improving
defense
system
plants
such
conditions.
On
other
hand,
same
previous
treatments
root
zone
modified
mechanism
improved
contents
peroxidase,
superoxide
dismutase,
magnesium,
zinc,
iron
81.3%,
82.3%,
85.1%,
56.9%,
80.2%,
respectively.
Conclusions
Adopting
75%
requirements
treating
3
g
l
−1
1.25
kg
ha
technique,
resulted
maximum
length,
leaf
content,
efficiency.
Language: Английский
Stimulating growth, root quality, and yield of carrots cultivated under full and limited irrigation levels by humic and potassium applications
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Aug. 31, 2023
Abstract
Water
stress
poses
a
significant
challenge
for
carrot
cultivation,
leading
to
decreased
yield
and
inefficient
water
use
efficiency.
Therefore,
it
is
crucial
provide
plants
with
suitable
supplements
that
enhance
their
resistance.
In
this
study,
we
investigated
the
effectiveness
of
humic
potassium
applications
on
growth,
characteristics,
root
quality,
efficiency
under
varying
irrigation
levels.
A
split-split
plot
experiment
was
conducted,
two
levels
gross
requirements
(GWR)
(100%
80%)
assigned
main
plots.
The
subplots
were
treated
acid
through
foliar
application
(Hsp)
or
soil
drenching
(Hgd).
sub-subplots
further
divided
assess
impact
sources
(potassium
humate,
Kh)
mineral
sulfate,
K
2
SO
4
).
results
revealed
substantial
reduction
in
limited
irrigation,
reaching
about
32.2%
lower
than
GWR100%.
conditions,
combined
Hgd
resulted
increase
78.9%
compared
control
GWR80%.
Conversely,
GWR100%,
highest
average
achieved
by
applying
either
Hsp
Kh
,
resulting
yields
35,833
kg
ha
−1
40,183
respectively.
However,
combination
negatively
affected
both
GWR100%
Nonetheless,
GWR80%
led
improved
nitrogen,
phosphorus,
potassium,
potassium/sodium
ratio,
total
sugar
concentrations,
while
reducing
sodium
content
roots.
Based
recommended
adopt
treat
.
This
approach
can
help
overcome
negative
effects
stress,
improve
achieve
optimal
Language: Английский
Impacts of cobalt and zinc on improving peanuts nutrient uptake, yield and irrigation water use efficiency under different irrigation levels
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 26, 2024
Abstract
The
knowledge
of
proper
fertigation
across
various
irrigation
levels
is
necessary
for
maximizing
peanut
yield
and
use
efficiency
in
arid
areas,
it
also
can
effectively
alleviate
the
risk
nutrient
deficiency
induced
by
water
stress.
This
study
evaluated
effectiveness
cobalt
combined
with
two
zinc
application
methods
on
uptake,
yield,
varying
levels.
A
split-split
plot
experiment
was
carried
out
2021
2022.
Three
gross
requirement
(GWR)
(100%,
80%,
60%)
were
designated
main
plots.
Subplots
featured
plants
treated
either
0
or
7.5
mg
L
−1
cobalt.
sub-sub
plots
assessed
chelated
effects
at
rates
2
g
via
foliar
soil
applications.
In
comparison
to
control
(100%
GWR),
uptake
decreased,
sodium
being
exception,
there
an
increase
pH
60%
GWR.
results
showed
significant
reductions
approximately
60.3%
38.1%,
respectively.
At
this
level,
applying
soil,
alone
cobalt,
led
increases
89.7%
191.3%
relative
control.
Also,
it’s
crucial
note
that
negatively
affected
iron
copper
GWR,
but
impact
lessened
soil-applied
zinc.
Hence,
under
a
similar
circumstance,
treating
stressed
additional
applications
+
could
enhance
improve
yield.
On
other
hand,
80%
combination
foliar-applied
had
tremendous
absorption
(nitrogen,
phosphorus,
magnesium,
zinc),
resulting
enhanced
agronomic
traits
decreased
losses.
Additionally,
yielded
32.4%
compared
GWR
When
70.0%
surge
use.
Based
knowledge,
suggests
using
strategy
aids
countering
adverse
stress,
ultimately
leading
efficiency.
Language: Английский
Chitosan combined with humic applications during sensitive growth stages to drought improves nutritional status and water relations of sweet potato
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: March 16, 2024
Abstract
The
current
decline
in
freshwater
resources
presents
a
significant
global
challenge
to
crop
production,
situation
expected
intensify
with
ongoing
climate
change.
This
underscores
the
need
for
extensive
research
enhance
yields
under
drought
conditions,
priority
scientists
given
its
vital
role
food
security.
Our
study
explores
effects
of
using
humic
and
chitosan
treatments
alleviate
stress
during
critical
growth
phases
their
impact
on
yield
water
efficiency.
We
employed
four
different
irrigation
strategies:
full
irrigation,
70%
at
early
vine
development
stage,
storage
root
bulking
85%
across
both
stages,
complemented
by
other
periods.
plants
received
either
through
foliar
spray
or
soil
application,
applications,
tap
serving
as
control.
findings
highlight
that
stage
is
particularly
vulnerable
drought,
42.0%
decrease
observed
such
conditions.
In
normal
scenarios,
application
substances
significantly
improved
parameters,
resulting
substantial
increase
efficiency
66.9%
68.4%,
respectively,
compared
control
treatment
irrigation.
For
sweet
potatoes
irrigated
ground
outperformed
applications
terms
results.
highest
tuber
were
attained
combining
regardless
whether
was
used
stages.
Language: Английский
Promoting salt tolerance, growth, and phytochemical responses in coriander (Coriandrum sativum L. cv. Balady) via eco-friendly Bacillus subtilis and cobalt
BMC Plant Biology,
Journal Year:
2024,
Volume and Issue:
24(1)
Published: Sept. 10, 2024
Language: Английский
Herbaceous Edible Oilseed-Bearing Plants: Origin, Botanical Insights, Constraints, and Recent Progress
IntechOpen eBooks,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 3, 2024
Carbohydrates,
lipids
(mostly
fats
and
oils),
proteins,
vitamins,
minerals,
water
are
the
six
main
classes
of
nutrients
found
in
foods.
After
carbohydrates,
oils
important
source
major
calories
required
human
diet.
Oils
act
as
a
vehicle
for
some
vitamins
possess
range
bio-active
compounds.
These
edible
oil-yielding
plants
can
be
categorized
into
non-woody
(herbaceous)
woody
(non-herbaceous)
oil-bearing
plants.
This
chapter
mainly
focuses
on
herbaceous
oilseed
(crop)plants
such
pea(ground)nut
(Arachis
hypogaea
L.),
Indian
mustard
(Brassica
juncea
L.
Czern.
Coss.),
rapeseed
campestris
L.)
(syn.
B.
rapa),
soybean
(Glycine
max
flaxseed
(Linum
usitatissimum
sunflower
(Helianthus
annuus
sesame
(Sesamum
indicum
safflower
(Carthamus
tinctorius
niger
(Guizotia
abyssinica
L.).
It
aims
to
(a)
overview
key
insights
origin,
botany
benefits
mentioned
(crop)plants;
(b)
highlight
constraints
their
growth
productivity
(quantitative-qualitative);
(c)
enlighten
mitigation-approaches
minimizing
constraints-accrued
impacts;
(d)
briefly
achievements
breeding
programmes
focused
these
oilseed-bearing
(crops)plants;
also
(e)
present
aspects
least
explored
subject.
Language: Английский