Plant Physiology and Biochemistry,
Год журнала:
2024,
Номер
219, С. 109378 - 109378
Опубликована: Дек. 4, 2024
As
an
oilseed
crop,
the
yield
and
quality
of
peanuts
are
severely
constrained
by
nutrient
deficiencies,
particularly
in
calcareous
soils
northern
China.
Maize-peanut
intercropping
is
effective
strategy
to
enhance
mineral
efficiency
via
plant-microbe
interaction,
but
underlying
mechanisms
remain
elusive.
Here,
we
conducted
experiments
using
a
Pseudomonas
strain
(Pse.IP6)
with
diverse
beneficial
characteristics,
which
was
isolated
from
rhizosphere
intercropped
peanuts.
Additionally,
Pse.IP6
exhibits
high
phylogenetic
similarity
Amplicon
Sequence
Variants
48
(ASV48)
belongs
positively
correlated
Fe
plants
soil
intercropping.
To
confirm
plant
growth-promoting
potential
its
role
advantage,
constructed
pot
experiments.
Results
revealed
that
promoted
shoot
growth
root
development,
as
well
significantly
enhanced
SPAD
value,
net
photosynthetic
rate,
stomatal
conductance,
transpiration
rate
peanut
leaves.
Moreover,
application
resulted
notable
accumulation
nitrogen
(N),
phosphorus
(P),
potassium
(K)
active
iron
(Fe)
leaves,
accompanied
increased
K-N
ratio.
The
primary
reason
for
promotion
enhancement
bioavailability
nitrate,
ammonium,
P,
K,
rhizosphere.
Collectively,
our
findings
demonstrate
Pse.IP6,
enriched
peanut,
bacteria,
represented
transferring
advantage
on
nutrients
activation
monocropping
Our
results
offer
insights
into
plant-rhizobacteria
interaction
therefore
provide
rhizobacteria-based
pathway
improve
productivity
crops.
Current Research in Microbial Sciences,
Год журнала:
2024,
Номер
7, С. 100285 - 100285
Опубликована: Янв. 1, 2024
Climate
change
and
agriculture
are
intrinsically
connected
sudden
changes
in
climatic
conditions
adversely
impact
global
food
production
security.
The
climate
change-linked
abiotic
stressors
like
drought
high
temperatures
resulting
crop
failure.
most
severe
stress
significantly
affect
the
stomatal
closure,
of
reactive
oxygen
species,
transpiration,
photosynthesis
or
other
physiological
processes
plant
morphology,
growth
yield.
Therefore,
there
is
an
exigent
need
for
cost
effective
eco-friendly
modern
technologies
to
induce
tolerance
plants
leading
climate-adapted
sustainable
agricultural
practices
sustained
production.
Among
many
options
being
pursued
this
regard,
use
promoting
microbes
(PGPMs)
approach
promote
resilience
better
productivity.
These
PGPMs
confer
resistance
via
various
direct
indirect
mechanisms
including
antioxidants,
enzymes,
exopolysaccharides,
modulation
phytohormones
level,
osmotic
adjustment
by
inducing
accumulation
sugars,
along
with
increases
nutrients,
water
uptake
photosynthetic
pigments.
However,
several
technological
ecological
challenges
limit
their
sometimes
treatment
beneficial
fails
produce
desired
results
under
field
conditions.
Thus,
development
synthetic
microbial
communities
host
mediated
microbiome
engineering
transgenic
capacity
express
traits
may
survival
present
review
critically
assesses
research
evidence
on
potentials
genes
as
develop
resilient
increased
Effective
collaboration
among
scientific
communities,
policymakers
regulatory
agencies
needed
create
strong
frameworks
that
both
regulate
utilization
agriculture.
Chemical and Biological Technologies in Agriculture,
Год журнала:
2024,
Номер
11(1)
Опубликована: Авг. 1, 2024
Forest
soils
are
usually
highly
weathered
and
abundant
in
mineral-weathering
bacteria,
which
have
not
been
used
to
mobilize
soil
minerals
for
crop
production.
Here,
we
an
acidic
forest
with
low
available
phosphorus
(P),
potassium
(K),
silicon
(Si)
isolate
bacteria
capable
of
co-solubilizing
P,
K,
Si
(PKSi-solubilizing)
the
model
rice
plant
test
their
potential
nutrition.
Six
PKSi-solubilizing
strains
representative
common
proteobacteria
taxa
(genera
Burkholderia,
Paraburkholderia,
Collimonas,
Pseudomonas,
Agrobacterium)
were
screened
out.
They
showed
diverse
P-,
K-,
or
Si-solubilizing
activities
produced
organic
acids.
Their
mineral-solubilizing
positively
correlated
levels
medium
pH
reduction
gluconic
acid
promoted
growth
seedlings
grown
by
increasing
P
Si,
cumulative
contents
dry
weight,
corresponding
root-to-shoot
ratios.
The
alone
inoculated
stains
did
reduce
pH.
is
a
valuable
resource
high-performance
improving
fertility
out
can
promote
seedling
mobilizing
from
Si.
show
potentials
mitigate
deficiency
growth,
recover
soluble
chemical
fertilizers
improve
use
efficiency
fertilizers,
thus
reducing
input
fertilizers.
may
retard
acidification
Si-solubilization
quality.
Microorganisms,
Год журнала:
2025,
Номер
13(2), С. 267 - 267
Опубликована: Янв. 25, 2025
Karst
regions
(KRs)
have
created
significant
karst
carbon
sinks
globally
through
the
cycling
process
involving
“water-carbon
dioxide-carbonate
rock-biota”.
Soil
organic
(SOC)
represents
a
crucial
component
of
these
sinks.
Microorganisms
play
vital
role
in
soil
cycle,
influencing
formation
and
preservation
SOC.
Therefore,
investigating
metabolism
microorganisms
KRs
is
essential
for
clarifying
unique
biogeochemical
mechanisms
within
regions.
In
this
paper,
soils
from
(KRs),
mixed
(MRs)
non-karst
(NKRs)
were
collected
citrus
orchards
Mao
Village,
Experimental
Field,
Guilin
City,
Guangxi
Zhuang
Autonomous
Region,
China.
The
ability
to
use
different
sources
was
analyzed
by
Biolog-Eco
microtiter
plate
technique;
number
detected
colony
counting
method,
microbial
biomass
determined
chloroform
fumigation
method.
results
showed
that
bacterial
(5.69
±
0.39
×
106
CFU/g),
(MBC)
(608.24
63.80
mg/kg),
quotient
(SMQ)
(3.45
0.18%),
Shannon’s
index
(H′)
(3.28
0.05)
KR
significantly
higher
than
those
NKR.
pH
positive
correlation
(p
<
with
H′
0.05);
SOC
highly
0.01),
MBC,
H′,
average
well
change
development
(AWCD)
0.05).
Total
nitrogen
(TN)
MBC
available
potassium
(AK)
Exchangeable
calcium
(Ca2+)
demonstrated
correlations
number,
above
indicate
metabolic
diversity
highest
KR.
pH,
exchangeable
Ca2+
main
factors
differentiation
between
