Environments,
Journal Year:
2024,
Volume and Issue:
11(12), P. 273 - 273
Published: Dec. 2, 2024
Carbon
dioxide
(CO2)
is
the
most
abundant
greenhouse
gas
(GHG)
in
atmosphere
and
substrate
for
photosynthetic
fixation
of
carbohydrates
plants.
Increasing
GHGs
from
anthropogenic
emissions
warming
Earth’s
atmospheric
system
at
an
alarming
rate
changing
its
climate,
which
can
affect
photosynthesis
other
biochemical
reactions
crop
plants
favorably
or
unfavorably,
depending
on
plant
species.
For
role
carbon
reduction
reactions,
CO2
concentration
([CO2])
air
potentially
enhances
photosynthesis.
However,
N
uptake
availability
protein
synthesis
be
a
potential
limiting
factor
enhanced
biomass
under
enriched
[CO2]
conditions
across
Legumes
are
C3
symbiotic
fixers
expected
to
benefit
air.
concurrent
increase
temperatures
with
demands
more
detailed
investigations
effects
enhancement
grain
legume
growth
yield.
In
this
article,
we
critically
reviewed
presented
online
literature
growth,
phenology,
rate,
stomatal
conductance,
productivity,
soil
health,
insect
behavior
elevated
temperature
conditions.
The
review
revealed
that
specific
leaf
weight,
pod
nodule
number
weight
increased
significantly
up
750
ppm.
Under
[CO2],
two
mechanisms
were
affected
(increased)
conductivity
(decreased),
helped
enhance
water
use
efficiency
achieve
higher
yields.
Exposure
legumes
levels
when
stressed
resulted
58%
uptake,
73%
transpiration
efficiency,
41%
rubisco
carboxylation
decreased
conductance
by
15–30%.
yields
soybean
10–101%,
peanut
28–39%,
mung
bean
20–28%,
chickpea
26–31%,
pigeon
pea
31–38%
over
ambient
[CO2].
seed
nutritional
qualities
like
protein,
Zn,
Ca
decreased.
Increased
stimulate
microbial
activity,
spiking
organic
matter
decomposition
rates
nutrient
release
into
system.
Elevated
impact
through
feeding
rates,
posing
risk
invasive
pest
attacks
legumes.
further
interaction
extreme
climate
events
qualities,
required
develop
climate-resilient
management
practices
development
novel
genotypes,
irrigation
technologies,
fertilizer
sustainable
production
systems.
Plants,
Journal Year:
2025,
Volume and Issue:
14(2), P. 152 - 152
Published: Jan. 7, 2025
Food
security
is
threatened
by
global
warming,
which
also
affects
agricultural
output.
Various
components
of
cells
perceive
elevated
temperatures.
Different
signaling
pathways
in
plants
distinguish
between
the
two
types
temperature
increases,
mild
warm
temperatures
and
extremely
hot
Given
rising
temperatures,
heat
stress
has
become
a
major
abiotic
challenge,
affecting
growth
development
various
crops
significantly
reducing
productivity.
Brassica
napus,
second-largest
source
vegetable
oil
worldwide,
faces
drastic
reductions
seed
yield
quality
under
stress.
This
review
summarizes
recent
research
on
genetic
physiological
impact
Brassicaceae
family,
as
well
model
Arabidopsis
rice.
Several
studies
show
that
extreme
fluctuations
during
crucial
stages
negatively
affect
plants,
leading
to
impaired
reduced
production.
The
discusses
mechanisms
adaptation
key
regulatory
genes
involved.
It
explores
emerging
understanding
epigenetic
modifications
While
such
are
limited
B.
contrasting
trends
gene
expression
have
been
observed
across
different
species
cultivars,
suggesting
these
play
complex
role
tolerance.
Key
knowledge
gaps
identified
regarding
napus.
In-depth
still
needed.
profound
response
tissue-specific
models
advancing
our
thermo-tolerance
regulation
napus
supporting
future
breeding
efforts
for
heat-tolerant
crops.
Plant Stress,
Journal Year:
2024,
Volume and Issue:
12, P. 100477 - 100477
Published: May 10, 2024
Plant
growth
and
production
can
be
adversely
affected
by
high
temperature
stress,
which
is
defined
as
an
increase
in
over
a
threshold
level.
5-aminolevulinic
acid
(ALA)
used
beneficial
regulator
agriculture,
particularly
for
plants
experiencing
abiotic
stress.
The
efficacy
of
exogenous
two
form
ALA
application
(bulk
nanoencapsulated)
was
investigated
factorial
experiment
based
on
completely
randomized
block
design
with
12
replications.
In
this
study,
different
temperatures
(optimal
25°C,
35°C)
treatments
were
(control,
1
mM
ALA,
Nano-encapsulated
N-ALA).
study
revealed
that
elevated
35°C
had
adverse
impact
the
majority
bell
pepper
characteristics.
Nevertheless,
N-ALA
significantly
enhanced
characteristics
under
these
conditions.
contrast
to
conditions
at
concentrations
potassium
(K),
proline,
electrolyte
leakage
(EL),
glucose,
fructose
exhibited
35°C.
However,
both
forms
effective
mitigating
effects.
Comparatively,
control
treatment
showed
levels
peroxidase
(POD),
superoxide
dismutase
(SOD),
catalase
(CAT)
enzymes,
along
increased
malondialdehyde
(MDA)
compared
treatment.
resulted
highest
fresh
weight
shoot
length
N-ALA.
Conversely,
same
temperature,
led
17%
chlorophyll
fluorescence
32%
DPPH
ALA.
summary,
effectively
mitigates
effects
exposure
biochemical
parameters.
Plants,
Journal Year:
2024,
Volume and Issue:
13(3), P. 395 - 395
Published: Jan. 29, 2024
Heat
stress
is
an
abiotic
factor
that
affects
the
photosynthetic
parameters
of
plants.
In
this
study,
we
examined
mechanisms
underlying
rapid
response
tobacco
plants
to
heat
in
a
controlled
environment.
To
evaluate
transient
conditions,
changes
photochemical,
carboxylative,
and
fluorescence
efficiencies
were
measured
using
infrared
gas
analyser
(IRGA
Licor
6800)
coupled
with
chlorophyll
measurements.
Our
findings
indicated
significant
disruptions
machinery
occurred
at
45
°C
for
6
h
following
treatment,
as
explained
by
76.2%
principal
component
analysis.
The
mechanism
analysis
revealed
dark
respiration
rate
(Rd
Rd*CO2)
increased,
indicating
reduced
potential
carbon
fixation
during
plant
growth
development.
When
light
compensation
point
(LCP)
increased
saturation
(LSP)
decreased,
damage
photosystem
membrane
thylakoids.
Other
parameters,
such
AMAX,
VCMAX,
JMAX,
ΦCO2,
also
compromising
both
photochemical
carboxylative
Calvin–Benson
cycle.
energy
dissipation
mechanism,
NPQ,
qN,
thermal
values,
suggested
photoprotective
strategy
may
have
been
employed.
However,
observed
transitory
was
result
disruption
electron
transport
(ETR)
between
PSII
PSI
photosystems,
which
initially
caused
high
temperatures.
study
highlights
impact
temperature
on
physiology
acclimatisation
under
stress.
Future
research
should
focus
exploring
adaptive
involved
distinguishing
mutants
improve
crop
resilience
against
environmental
stressors.
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: March 1, 2025
Wheat
(Triticum
aestivum
L.),
a
globally
significant
cereal
crop
and
staple
food,
faces
major
production
challenges
due
to
abiotic
stresses
such
as
heat
stress
(HS),
which
pose
threat
global
food
security.
To
address
this,
diverse
panel
of
126
wheat
genotypes,
primarily
landraces,
was
evaluated
across
twelve
environments
in
India,
comprising
three
locations,
two
years
growing
conditions.
The
study
aimed
identify
genetic
markers
associated
with
key
agronomic
traits
bread
wheat,
including
germination
percentage
(GERM_PCT),
ground
cover
(GC),
days
booting
(DTB),
heading
(DTHD),
flowering
(DTFL),
maturity
(DTMT),
plant
height
(PH),
grain
yield
(GYLD),
thousand
weight
(TGW),
the
normalized
difference
vegetation
index
(NDVI)
under
both
timely
late-sown
conditions
using
35
K
SNP
genotyping
assays.
Multi-locus
GWAS
(ML-GWAS)
employed
detect
marker-trait
associations,
identified
were
further
validated
Kompetitive
Allele
Specific
PCR
(KASP).
Six
ML-GWAS
models
for
this
purpose,
leading
identification
42
highly
consistent
quantitative
trait
nucleotides
(QTNs)
late
sown
conditions,
controlled
by
20
SNPs,
explaining
3–58%
total
phenotypic
variation.
Among
these,
noteworthy
QTNs
QTN
(qtn_nbpgr_GYLD_3B)
on
chromosome
3B,
pleiotropic
AX-95018072
7A
influencing
phenology
NDVI,
robust
TGW
chromosomes
2B
(qtn_nbpgr_TGW_2B),
1A
(qtn_nbpgr_TGW_1A),
4B
(qtn_nbpgr_TGW_4B).
Furthermore,
annotation
revealed
that
candidate
genes
near
these
encoded
stress-responsive
proteins,
chaperonins,
glycosyl
hydrolases,
signaling
molecules.
Additionally,
SNPs
(7A),
AX-94946941
(6B),
AX-95232570
(1B)
successfully
KASP
assay.
Our
effectively
uncovered
novel
linked
tolerance
yield-related
through
an
extensive
approaches.
These
not
only
corresponded
previously
QTLs
but
also
highlighted
several
new
loci,
broadening
existing
understanding.
findings
provide
valuable
insights
into
basis
offer
genomic
resources,
could
accelerate
marker-assisted
breeding
development
next-generation
heat-resilient
cultivars.
Deleted Journal,
Journal Year:
2025,
Volume and Issue:
77(2)
Published: March 7, 2025
Nanoparticles
(NPs)
have
shown
promising
potential
to
improve
plant
resilience
against
various
abiotic
stresses
like
drought,
salinity,
heat,
cold
etc.
by
modulating
key
phytohormonal
pathways.
While
previous
studies
explored
the
efficacy
of
different
NPs
in
alleviating
individual
stresses,
a
critical
analysis
summarizing
current
understanding
NPs-phytohormone
interconnections
is
lacking.
This
review
comprehensively
surveys
recent
advances
elucidating
crosstalk
between
and
major
hormones
abscisic
acid,
auxins,
salicylic
jasmonic
cytokinins,
ethylene,
strigolactones
brassinosteroids
involved
stress
responses.
Both
biogenic
chemically
engineered
are
covered.
The
mechanisms
underlying
NP-triggered
phytohormone
signature
changes
discussed.
Critical
knowledge
gaps
such
as
lack
field
scale
evaluations
identified.
Finally,
future
prospects
include
molecular
more
deeply
using
multi-omics
approaches,
evaluation
under
conditions
diverse
environmental
contexts
genotypes,
long-term
risk
assessments,
development
targeted
multi-component
NP
formulations.
assimilates
status
outlook
emerging
NP-phytohormone
interplay
engineering
for
sustainable
agriculture
solutions.