Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Сен. 9, 2024
Introduction
Tomatoes
are
sensitive
to
low
temperatures
during
their
growth
process,
and
one
of
the
main
environmental
limitations
affecting
plant
development
in
Northeast
China.
Chlorophyll
fluorescence
imaging
technology
is
a
powerful
tool
for
evaluating
efficiency
photosynthesis,
which
can
detect
reflect
effects
that
plants
subjected
temperature
stress
stage,
including
early
chilling
injury.
Methods
This
article
primarily
utilizes
chlorophyll
image
set
tomato
seedlings,
applying
dung
beetle
optimization
(DBO)
algorithm
enhance
deep
learning
bidirectional
long
short
term
memory
(BiLSTM)
model,
thereby
improving
accuracy
classification
prediction
injury
tomatoes.
Firstly,
proportion
areas
images
was
calculated
using
threshold
segmentation
classify
cold
damage
into
four
categories.
Then,
features
each
type
were
filtered
SRCC
extract
data
with
highest
correlation
damage.
These
served
as
training
testing
sample
BiLSTM
model.
Finally,
DBO
applied
DBO-BiLSTM
model
proposed
improve
performance
seedling
category
labels.
Results
The
results
showed
optimized
by
achieved
an
accuracy,
precision,
recall,
F1
score
average
over
95%.
Discussion
Compared
original
these
evaluation
parameters
improved
9.09%,
7.02%,
9.16%,
8.68%,
respectively.
When
compared
commonly
used
SVM
increase
6.35%,
7.33%,
6.33%,
6.5%,
study
expected
through
imaging,
achieve
automatic
labeling
data,
lay
research
foundation
in-depth
on
resistance
themselves
exploring
application
methods
precision
agriculture.
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(17), С. 9249 - 9249
Опубликована: Авг. 26, 2024
Drought
stress
(DS)
is
one
of
the
abiotic
stresses
that
plants
encounter
commonly
in
nature,
which
affects
their
life,
reduces
agricultural
output,
and
prevents
crops
from
growing
certain
areas.
To
enhance
plant
tolerance
against
DS,
abundant
exogenous
substances
(ESs)
have
been
attempted
proven
to
be
effective
helping
relieve
DS.
Understanding
effect
each
ES
on
alleviation
DS
mechanisms
involved
relieving
process
has
become
a
research
focus
hotspot
drawn
much
attention
field
botany,
agronomy,
ecology.
With
an
extensive
comprehensive
review
summary
hundred
publications,
this
paper
groups
various
ESs
based
individual
effects
alleviating
plant/crop
with
details
underlying
DS-relieving
of:
(1)
synthesizing
more
osmotic
adjustment
substances;
(2)
improving
antioxidant
pathways;
(3)
promoting
photosynthesis;
(4)
nutritional
status;
(5)
regulating
phytohormones.
Moreover,
detailed
discussion
perspective
are
given
terms
how
meet
challenges
imposed
by
erratic
severe
droughts
agrosystem
through
using
promising
right
way
at
time.
One
of
the
major
problems
faced
by
agricultural
sector
all
over
world
is
water
scarcity.
Water
deficit
stress
in
plants
results
changes
physiological,
morphological,
biochemical
and
molecular
traits.
Although
has
been
reported
to
causes
change
various
parameters
many
plants,
but
neither
studied
Indian
green
leafy
vegetable
Spinacia
oleracea
nor
have
mitigating
effects
calcium
chloride
treatment
assessed.
So,
present
project
was
carried
out
with
objective
study
effect
condition
on
growth
performance
S.
morphology,
anatomy,
biochemistry
regulation.
Seeds
allowed
germinate
grown
for
7
days
normal
irrigation
then
divided
into
three
groups
(Group-1:
Plants
irrigated
conditions,
Group-2:
Created
low-frequency
Group-3:
induced
treated
chloride).
Some
anatomical
were
affected
under
found
be
ineffective.
The
revealed
that
number
leaves
per
plant
(1.00–2.67),
leaf
size
(1.36
×
0.53
cm),
root
length
(3
chlorophyll
content
(0.50–0.70
mg/g
leaf)
superoxide
dismutase
activity
(51.95
units/100
mg
protein)
significantly
decreased
exposed
when
compared
control.
Calcium
improved
morphological
characters
like
(2.67–4),
(3.10
soluble
sugar
(16.12
features
plants.
These
led
conclusion
sensitive
stress,
CaCl₂
moderately
effective
based
majority
parameters.
Hence,
such
strategies
could
explored
overcome
also
improve
production
nutritionally
important
oleracea.
Foods,
Год журнала:
2025,
Номер
14(5), С. 872 - 872
Опубликована: Март 4, 2025
This
study
investigated
the
effects
of
different
calcium
levels
on
nutritional
quality
and
stress
resistance
mini
Chinese
cabbage,
focusing
'QYH'
calcium-sensitive
cultivar
'HN'
calcium-tolerant
cultivar.
Plants
were
treated
with
five
(0,
2,
4,
6,
8
mmol/L)
to
analyze
incidence
tip-burn,
tissue
content,
mineral
accumulation,
amino
acid
composition,
phenolic
flavonoid
compound
contents.
The
results
showed
that
appropriate
significantly
reduced
tip-burn
incidence.
Specifically,
exhibited
no
symptoms
at
6
mmol/L
calcium,
while
was
free
4
mmol/L.
Appropriate
also
increased
contents
soluble
sugars,
proteins,
ascorbic
reducing
nitrate
in
both
cultivars.
For
example,
sugar
content
by
119.05%
under
treatment.
Similarly,
significant
increases
Amino
peaked
'QYH',
rutin
increasing
181.58%.
In
these
compounds
Additionally,
high
did
not
antagonize
key
minerals
but
manganese
accumulation.
These
findings
highlight
calcium's
critical
role
enhancing
cabbage
provide
a
scientific
basis
for
optimizing
fertilizer
application
Plants,
Год журнала:
2025,
Номер
14(7), С. 1022 - 1022
Опубликована: Март 25, 2025
How
nitrogen
(N)
levels
affect
agronomic
performance
and
the
nutrient
utilization
process
in
wheat
grown
rainfed
coastal
saline
soils
remains
largely
unknown.
This
study
investigated
influence
of
three
N
supply
treatments
(0,
100,
200
kg/ha)
on
growth
accumulation
P,
Ca,
Mg,
K,
Na,
Zn,
Fe,
Se
eight
genotypes
across
two
consecutive
seasons
(2020-2021,
2021-2022)
a
field.
Both
were
significantly
affected
by
genotypic
effects.
The
increased
total
nutrients
was
mainly
due
to
enhanced
supply.
Grain
Zn
Fe
concentrations
increased,
while
grain
concentration
decreased
with
increasing.
Genotype
"Jimai
775"
exhibited
both
higher
yield
efficiency
among
tested
genotypes.
association
traits
obviously
modified
supply,
as
revealed
principal
component
analysis,
correlation
stepwise
multiple
regression
models.
These
findings
suggest
that
level
differences
should
be
taken
into
consideration
enhance
cultivated
soils.
Plant Cell & Environment,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 30, 2025
ABSTRACT
‘Calcium
(Ca
2+
)
priming’
is
an
effective
strategy
to
restore
efficient
carbon
assimilation
with
undergoing
unfavourable
cold
stress
(day/night:
25°C/8°C).
However,
it
unclear
how
exogenous
calcium
strengthens
the
cyclic
electron
transfer
(CET)
attain
optimal
flux.
To
assess
nutrient
fortification
role
of
Ca
(15
mM)
in
facilitating
this
process
for
peanuts,
we
added
antimycin
(AA,
100
μM)
and
rotenone
(R,
as
specific
inhibitors.
Our
results
revealed
that
inhibiting
CET
caused
a
negative
effect
on
photosynthesis.
The
treatment
accelerated
turnover
non‐structural
carbohydrates,
linear
carriers
while
balancing
photosystem
I
(PSI)
bilateral
redox
potential.
also
strengthened
PROTON
GRADIENT
REGULATION5
(PGR5)/PGR5‐LIKE
PHOTOSYNTHETIC
PHENOTYPE1
(PGRL1)
NADH
dehydrogenase‐like
(NDH)‐mediated
CET,
plausible
crosstalk
between
thioredoxin
(Trx)
system
signalling,
regulate
chloroplast
homoeostasis.
Specifically,
PGR5/PGRL1‐mediated
by
providing
sufficient
ATP
adequate
photoprotection
during
long‐term
exposure;
NDH‐mediated
served
alleviate
limitations
PSI
acceptor
side
translocating
protons.
This
study
demonstrated
effectiveness
harnessing
supply,
form
foliar
‐based
sprays
strengthen
eco‐physiological
resilience
peanuts
against
stress.
With
global
warming,
high
temperature
(HT)
has
become
one
of
the
most
common
abiotic
stresses
resulting
in
significant
crop
yield
losses,
especially
for
jujube
(Ziziphus
jujuba
Mill.),
an
important
temperate
economic
cultivated
worldwide.
This
study
aims
to
explore
coping
mechanism
HT
stress
at
transcriptional
and
post-transcriptional
levels,
including
identifying
differentially
expressed
miRNAs
mRNAs
as
well
elucidating
critical
pathways
involved.
High-throughput
sequencing
analyses
miRNA
mRNA
were
performed
on
leaves,
which
collected
from
"Fucumi"
(heat-tolerant)
"Junzao"
(heat-sensitive)
cultivars
subjected
(42
°C)
0,
1,
3,
5,
7
days,
respectively.
The
results
showed
that
45
known
miRNAs,
482
novel
13,884
(DEMs)
identified.
Among
them,
integrated
analysis
target
genes
prediction
mRNA-seq
obtained
1306
miRNAs-mRNAs
pairs,
484,
769,
865
DEMIs-DEMs
pairs
discovered
"Fucuimi",
two
genotypes
comparative
groups,
Furthermore,
functional
enrichment
DEMs
revealed
plant-pathogen
interaction,
starch
sucrose
metabolism,
spliceosome,
plant
hormone
signal
transduction
crucial
leaves
response
stress.
constructed
miRNA-mRNA
network,
composed
20
DEMIs
33
DEMs,
displayed
differently
expressions
between
these
genotypes.
further
proved
regulatory
role
plants
will
provide
a
theoretical
foundation
innovation
cultivation
heat-tolerant
varieties.
