Biocontrol efficacy of Bacillus licheniformis and Bacillus amyloliquefaciens against rice pathogens
PeerJ,
Год журнала:
2025,
Номер
13, С. e18920 - e18920
Опубликована: Янв. 29, 2025
Biocontrol
is
a
cost-effective
and
eco-friendly
approach
to
control
plant
pathogens
using
natural
enemies.
Antagonistic
microorganisms
or
their
derivatives
specifically
target
the
while
minimizing
harm
non-target
organisms.
Bacterial
blight
brown
spot
are
major
rice
diseases
caused
by
Xanthomonas
oryzae
pv.
(
Xoo
)
Bipolaris
Bo
),
respectively.
This
study
was
conducted
assess
growth-promoting
potential
biocontrol
activity
of
root-associated
bacteria
against
pathogens,
.
A
total
98
were
isolated
from
roots
characterized
for
properties
including
phosphate
solubilization,
indole-3-acetic
acid
production,
nitrogen
fixation
biofilm
formation.
Based
on
these
properties,
36
selected
tested
via
co-culturing
antagonism
assay.
LE7
exhibited
maximum
inhibition
79%,
FR8,
PE2,
LE7,
LR22
LR28
also
significantly
reduced
growth
Likewise,
FR2,
LR22,
LR35
inhibited
,
in
which
81%.
Under
controlled-conditions,
disease
incidence
respectively,
improved
rice.
Full-length
16S
rRNA
gene
sequencing
most
bacterial
isolates,
revealed
identity
with
Bacillus
amyloliquefaciens
licheniformis
Application
spp.
as
agent
represents
enormous
farming.
The
promising
isolates
could
be
used
bioinoculants
management
production
sustainable
manner.
Язык: Английский
Soil Microbial Community Shifts in Rhizosphere and Original Soils during Two and Three Years of Ginseng Cultivation
Deqiang Yang,
Zhipeng Xu,
Wenhui Yuan
и другие.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 3, 2024
Abstract
Soil
microbial
communities
play
a
key
role
in
maintaining
ecosystem
functions;
however,
little
is
known
about
the
specific
changes
Rhizosphere
soil
and
Original
of
ginseng
under
different
years
cultivation.
We
utilized
Illumina
MiSeq
sequencing
technology
to
investigate
differential
effects
cultivation
on
soil.
The
physicochemical
properties
were
analyzed
using
one-way
analysis
variance
(ANOVA).
results
showed
that
alpha-diversity
microorganisms
significant
trend
both
with
Through
NMDS
analysis,
we
further
found
differences
community
composition
between
In
order
visualize
these
differences,
top-ranked
bacterial
fungal
genera
at
cropping
depicted
help
stacking
diagrams.
bacteria
fungi
differentially
Kruskal-Wallis
test.
complex
relationship
was
deeply
explored
by
correlation
heatmap,
RDA
redundancy
Mantel
analysis.
Therefore,
this
study
not
only
sheds
light
planting
rhizosphere
soils
primary
soils,
but
also
provides
new
scientific
perspectives
for
understanding
ecosystems.
Язык: Английский
The Synergistic Effect of Plant Growth-Promoting Rhizobacteria and Spent Mushroom Substrate Improves Ginseng Quality and Rhizosphere Nutrients
Agriculture,
Год журнала:
2024,
Номер
14(11), С. 1880 - 1880
Опубликована: Окт. 24, 2024
The
ginseng
industry’s
reliance
on
chemicals
for
fertilizer
and
pesticides
has
adversely
affected
the
environment
decreased
quality
of
ginseng;
therefore,
microbial
inoculum
is
an
effective
way
to
restore
damaged
soil
in
fields.
To
investigate
effects
plant
growth-promoting
rhizobacteria
(PGPR)
spent
mushroom
substrate
(SMS)
ginseng,
high
throughput
sequencing
was
performed
examine
community
structures
rhizosphere
soil.
All
treatments
significantly
increased
nutrient,
enzyme
activity,
biomass
compared
control
(p
<
0.05).
combination
PGPR
SMS
notably
enhanced
activities:
urease
(7.29%),
sucrase
(29.76%),
acid
phosphatase
(13.24%),
amylase
(38.25%)
had
different
diversity.
Significantly,
diversity
by
increasing
abundance
beneficial
bacteria
such
as
Allorhizobium-Neorhizobium-Pararhizobium-Rhizobium
Plectosphaerella,
meanwhile
suppressing
harmful
Klebsiella.
relative
Fusarium
reduced
some
extent
with
application
alone.
organic
matter,
available
potassium,
phosphorus,
alkaline
nitrogen,
key
factors,
influenced
structures.
Overall,
positively
impacted
quality.
Язык: Английский