Agriculture,
Journal Year:
2025,
Volume and Issue:
15(2), P. 142 - 142
Published: Jan. 10, 2025
Progressive
climate
change
increases
drought
frequency,
severely
impacting
crop
growth
and
yield.
New
eco-friendly
alternatives
to
chemical
protection
agents
fertilisers
are
needed
reduce
pollution
enhance
plant
health.
This
study
evaluated
the
effects
of
growth-promoting
rhizobacteria
(PGPR)
hydrogel
(potassium
polyacrylate)
on
Brassica
napus
L.
during
conditions.
After
in
vitro
pot
experiments,
Serratia
plymuthica
was
selected
from
six
PGPR
candidates
based
its
ability
biomass,
shoot
length,
number
internodes.
The
seed
viability
test,
reactive
oxygen
species
accumulation,
SOD
activity
showed
no
adverse
applying
canola
seeds.
Moreover,
did
not
show
toxicity
towards
tested
bacterial
strains.
Field
trials
demonstrated
that
inoculation
with
S.
significantly
increased
siliques
(16.48%)
yield
(19.93%),
compared
controls.
Plants
grown
inoculated
seeds
were
also
taller
(3.28%)
had
more
branches
(39.99%).
We
analysed
seedling
emergence,
internodes,
thousand
seeds’
weight,
moisture.
applied
soil
delayed
emergence
dampened
effect
plymuthica,
resulting
reduced
Compared
plants
there
a
decrease
treated
solely
bacterium
23.61%
27.79%,
respectively.
Our
results
indicate
has
high
potential
for
use
commercial
farming,
especially
as
an
ingredient
added
coatings.
Current Opinion in Chemical Biology,
Journal Year:
2024,
Volume and Issue:
79, P. 102427 - 102427
Published: Jan. 29, 2024
In
the
rhizosphere,
plants
and
microbes
communicate
chemically,
especially
under
environmental
stress.
Over
millions
of
years,
their
microbiome
have
coevolved,
sharing
various
chemicals,
including
signaling
molecules.
This
mutual
exchange
impacts
bacterial
communication
influences
plant
metabolism.
Inter-kingdom
signal
crosstalk
affects
colonization
fitness.
Beneficial
metabolomes
offer
eco-friendly
ways
to
enhance
resilience
agriculture.
Plant
metabolites
are
pivotal
in
this
dynamic
interaction
between
host
interacting
beneficial
microbes.
Understanding
these
associations
is
key
engineering
a
robust
for
stress
mitigation
improved
growth.
review
explores
mechanisms
behind
plant-microbe
interactions,
role
metabolomics,
practical
applications
addressing
climate
change's
impact
on
Integrating
microbes'
activities
metabolomics'
application
study
metabolome-driven
corresponding
holds
promise
enhancing
crop
productivity.
Plant Cell & Environment,
Journal Year:
2024,
Volume and Issue:
47(4), P. 1269 - 1284
Published: Jan. 7, 2024
Abstract
Tropospheric
ozone
(O
3
)
is
a
phytotoxic
air
pollutant
adversely
affecting
plant
growth.
High
O
exposures
are
often
concurrent
with
summer
drought.
The
effects
of
both
stresses
on
plants
complex,
and
their
interactions
not
yet
well
understood.
Here,
we
investigate
whether
drought
can
mitigate
the
negative
physiology
growth
based
meta‐analysis.
We
found
that
mitigated
photosynthesis,
but
modification
effect
whole‐plant
biomass
by
was
significant.
This
explained
compensatory
response
water‐deficient
leads
to
increased
metabolic
costs.
Relative
water
control
condition,
reduced
treatment
decreased
photosynthetic
traits,
leaf
root
in
deciduous
broadleaf
species,
while
all
traits
evergreen
coniferous
species
showed
no
significant
response.
suggested
mitigating
impacts
were
more
extensive
than
ones.
Therefore,
avoid
over‐
or
underestimations
when
assessing
impact
vegetation
growth,
soil
moisture
should
be
considered.
These
results
contribute
better
understanding
terrestrial
ecosystem
responses
under
global
change.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(4), P. 692 - 692
Published: March 27, 2024
Drought
stress
is
the
primary
abiotic
factor
affecting
wheat
growth,
development,
and
yield
formation.
The
application
of
plant
growth-promoting
rhizobacteria
(PGPR)
represents
an
environmentally
sustainable
approach
to
mitigate
impacts
drought
on
wheat.
This
study
conducted
field
experiments
using
two
winter
varieties,
drought-sensitive
variety
Jimai
22
drought-resistant
Chang
6878,
aiming
investigate
effects
Streptomyces
pactum
Act12
inoculation
photosynthetic
characteristics,
physiological
parameters,
traits
during
jointing,
heading,
middle-filling
stages
under
stress.
results
revealed
that
stresses
significantly
reduced
chlorophyll
content,
leaf
area,
biomass,
in
wheat,
while
increased
efficiency,
antioxidant
enzyme
activity
such
as
superoxide
dismutase
(SOD)
peroxidase
(POD),
osmolyte
content
(proline
soluble
proteins),
decreased
malondialdehyde
(MDA)
content.
These
combined
alleviated
stress,
resulting
biomass
Under
increase
proline
13.53%
53.23%
(Jimai
22)
17.17%
43.08%
(Chang
6878)
was
observed
upon
inoculation.
Moreover,
a
decrease
MDA
recorded
15.86%
53.61%
13.47%
26.21%
6878).
Notably,
there
corresponding
11.78%
13.55%
In
addition,
grain
quality
analysis
significant
improvement
hardness
with
Therefore,
demonstrates
potential
for
enhancing
development
production
arid
semi-arid
regions.
BMC Plant Biology,
Journal Year:
2023,
Volume and Issue:
23(1)
Published: April 5, 2023
Due
to
global
warming,
drought
climates
frequently
occur
on
land,
and
despite
being
resistant,
pineapples
are
still
subjected
varying
degrees
of
stress.
Plant
growth
regulators
can
regulate
the
stress
tolerance
plants
through
hormonal
effects.
This
experiment
aims
investigate
regulatory
effects
different
plant
Tainong-
16
MD-2
Pineapple
when
stress.In
this
experiment,
we
examined
two
regulators,
sprayed
pineapple
varieties:
Tainong-16.
The
main
component
T1
was
diethyl
aminoethyl
hexanoate
(DA-6)
that
T2
is
chitosan
oligosaccharide
(COS).
An
environment
similar
a
natural
simulated
in
treatments.
Then,
at
periods
were
sampled
series
indicators
measured.
experimental
results
showed
treatments
treated
with
had
decrease
malondialdehyde,
an
increase
bromelain
antioxidant
enzyme
indicators,
phenotypic
yield
indicators.This
demonstrated
DA-6
COS
enhance
resistance
certain
extent
oxidative
Therefore,
have
potential
applications
lays
foundation
for
further
research.
Physiologia Plantarum,
Journal Year:
2024,
Volume and Issue:
176(1)
Published: Jan. 1, 2024
Abstract
Drought,
a
widespread
abiotic
stressor,
exerts
profound
impact
on
agriculture,
impeding
germination
and
plant
growth,
reducing
crop
yields.
In
the
present
investigation,
osmotolerant
rhizobacteria
Bacillus
casamancensis
strain
MKS‐6
sp.
MRD‐17
were
assessed
for
their
effects
molecular
processes
involved
in
mustard
under
osmotic
stress
conditions.
Enhancement
was
evidenced
by
improved
percentages,
plumule
radicle
lengths,
seedling
vigor
upon
rhizobacterial
inoculation
no
Under
stress,
stimulated
production
of
gibberellins
reserve
hydrolytic
enzymes
(lipases,
isocitrate
lyase,
malate
synthase),
bolstering
germination.
Furthermore,
these
influenced
hormones
such
as
abscisic
acid
(ABA),
well
signalling
pathways,
thereby
promoting
stress.
Reduced
proline
glycine
betaine
accumulation,
down‐regulation
transcription
factors
BjDREB1_2
BjDREB2
(linked
to
ABA‐independent
signalling)
rhizobacteria‐inoculated
seedlings
indicated
that
bacterial
treatment
mitigated
water
deficit
during
germination,
independently
pathways.
Hence,
advantageous
attributes
exhibited
strains
can
be
effectively
harnessed
alleviate
drought‐induced
crops,
potentially
through
development
targeted
bio‐formulations.