Biocontrol efficacy of Bacillus licheniformis and Bacillus amyloliquefaciens against rice pathogens
PeerJ,
Journal Year:
2025,
Volume and Issue:
13, P. e18920 - e18920
Published: Jan. 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.
Language: Английский
Green pesticide practices and sustainability: empirical insights into agricultural services in China
International Journal of Agricultural Sustainability,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 30, 2024
In
a
world
grappling
with
the
overuse
of
pesticides,
China
emerges
as
key
consumer
and
producer,
facing
substantial
challenges
in
environmental
agricultural
sustainability.
This
study
investigates
how
services
can
foster
eco-friendly
pesticide
use
among
farmers.
It
leverages
data
from
'China
Land
Economic
Survey'
(2020-2021)
by
Nanjing
Agricultural
University,
covering
52
villages
2600
households.
Using
multi-dimensional
fixed
effects
model
propensity
score
matching,
research
addresses
biases
inherent
data.
Results
show
that
business
significantly
boost
green
adoption,
outperforming
technology
input
sectors.
These
increase
safer
pesticides
recycling
their
containers
11.6%
6%,
respectively.
Farmer
satisfaction
regular
internet
also
play
role
reinforcing
this
trend.
Based
on
these
insights,
it
recommends
enhancing
support
for
low-toxicity
programmes,
creating
tailored
policies
diverse
needs,
implementing
resource
management
incentive
mechanisms
to
promote
sustainable
practices.
strategies
aim
bolster
agriculture,
balancing
health
economic
viability.
Language: Английский
Microalgae- and cyanobacteria-derived phytostimulants for mitigation of salt stress and improved agriculture
Algal Research,
Journal Year:
2024,
Volume and Issue:
82, P. 103686 - 103686
Published: Aug. 1, 2024
Language: Английский
Assessing the Efficacy of Cyanobacterial Strains as Oryza sativa Growth Biostimulants in Saline Environments
Plants,
Journal Year:
2024,
Volume and Issue:
13(17), P. 2504 - 2504
Published: Sept. 6, 2024
Soil
salinity,
which
affects
plant
photosynthesis
mechanisms,
significantly
limits
productivity.
microorganisms,
including
cyanobacteria,
can
synthesize
various
exometabolites
that
contribute
to
growth
and
development
in
several
ways.
These
microorganisms
increase
tolerance
salt
stress
by
secreting
phytoprotectants;
therefore,
it
is
highly
relevant
study
soil
adapted
high
salinity
investigate
their
potential
resistance
stress.
This
evaluated
the
antioxidant
activity
of
four
cyanobacterial
strains:
Language: Английский
Combating Phytopathogens by Integration of Metagenomics and Phototrophic Biotechnologies: Toward Sustainable Agricultural Practices
Critical Reviews in Plant Sciences,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 18
Published: April 24, 2025
Language: Английский
Advances on Bioactive Metabolites with Potential for the Biocontrol of Plant Pathogenic Bacteria
Pathogens,
Journal Year:
2024,
Volume and Issue:
13(11), P. 1000 - 1000
Published: Nov. 15, 2024
The
increase
in
the
world
population,
which
will
be
almost
10
billion
by
2050,
require
considerable
efforts
to
significantly
food
production.
Despite
progress
made
agriculture,
this
need
is
becoming
an
emergency
due
desertification,
environmental
pollution
and
climate
changes.
Biotic
stresses,
such
as
pathogenic
bacteria
fungi,
primarily
contribute
significant
losses
agricultural
productivity
compromise
safety.
These
harmful
agents
are
predominantly
managed
using
large
quantities
of
synthetic
pesticides.
However,
widespread
use
has
led
substantial
pollution,
increased
pest
resistance
toxic
residues
produce,
subsequently
enter
supply,
posing
severe
health
risks
humans
animals.
challenges
have
driven
advancement
integrated
management
strategies
reduce
or
eliminate
A
practical
viable
alternative
lies
biopesticides—methods
developed
from
natural
products
that
safe
for
human
animal
health.
This
approach
aligns
with
strong
demand
consumers
public
authorities
safer
control
solutions.
review
was
focused
on
isolation,
chemical
biological
characterization
biocontrol
phytopathogenic
and,
some
cases,
fungi
potential
eco-friendly
applications.
Language: Английский
The Cultivation of Spirulina maxima in a Medium Supplemented with Leachate for the Production of Biocompounds: Phycocyanin, Carbohydrates, and Biochar
AgriEngineering,
Journal Year:
2024,
Volume and Issue:
6(2), P. 1289 - 1299
Published: May 9, 2024
Cyanobacteria
are
microorganisms
that
grow
rapidly
in
an
aquatic
medium,
showing
the
capacity
of
accumulations
biocompounds
subsequently
converted
into
value-added
biocompounds.
The
cyanobacterium
Spirulina
maxima
can
produce
pigments
besides
accumulating
significant
amounts
carbohydrates
and
proteins.
An
alternative
to
reducing
biomass
production
costs
at
industrial
scale
is
use
landfill
leachate
growing
as
well
mitigation
this
pollutant.
objective
work
was
cultivate
a
medium
supplemented
with
leachate,
using
design
experiments
evaluate
effects
concentration
(%
v/v),
light
source,
intensity
airlift
photobioreactor,
analyzing
them
response
productivity
biomass,
phycocyanin,
carbohydrates,
biochar.
highest
values
(mg
L−1d−1)
were
97.44
±
3.20,
12.82
0.38,
6.19
1.54,
34.79
3.62
for
biochar,
respectively,
adjusted
experiment
2
factors
(5.0%
source
(tubular
LED),
luminosity
(54
µmol
m−2
s−1),
respectively.
substitute
macronutrients
Zarrouk’s
cultivation
viable
long
it
used
appropriate
level.
Language: Английский
Influence of Critical Parameters on the Extraction of Concentrated C-PE from Thermotolerant Cyanobacteria
BioTech,
Journal Year:
2024,
Volume and Issue:
13(3), P. 21 - 21
Published: June 24, 2024
This
work
aimed
to
identify
the
influence
of
pH,
molarity,
w/v
fraction,
extraction
time,
agitation,
and
either
a
sodium
(Na2HPO4·7H2O-NaH2PO4·H2O)
or
potassium
buffer
(K2HPO4-KH2PO4)
used
in
C-phycoerythrin
(C-PE)
from
thermotolerant
strain
Potamosiphon
sp.
An
experimental
design
(Minimum
Run
Resolution
V
Factorial
Design)
Central
Composite
Design
(CCD)
were
used.
According
statistical
results
first
design,
K-PO4
buffer,
fraction
are
vital
factors
that
enhance
extractability
C-PE.
The
construction
CCD
experiments
suggests
phosphate
at
pH
5.8,
longer
times
(50
min),
minimal
speed
(1000
rpm)
ideal
for
maximizing
C-PE
concentration,
while
purity
is
unaffected
by
conditions.
optimization
improves
yields
maintains
desired
bright
purple
color
phycobiliprotein.
Language: Английский