Current Research in Microbial Sciences,
Journal Year:
2024,
Volume and Issue:
8, P. 100312 - 100312
Published: Nov. 13, 2024
Currently,
the
use
of
bio-inputs
is
increasing
due
to
need
reduce
agrochemicals.
However,
one
limitations
preserve
viability
living
microorganisms,
so
it
important
find
an
alternative
that
allows
us
obtain
different
metabolites
produce
it.
We
evaluated
three
interactions
(contact,
diffusible
and
volatile
compounds)
Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(3), P. 558 - 558
Published: March 11, 2024
Plant
health
is
necessary
for
food
security,
which
a
key
determinant
of
secure
and
sustainable
production
systems.
Deficiency
soil
nutrients
invasion
plant
pathogens
or
insects
are
the
main
destroyers
world’s
production.
Synthetic
fertilizers
chemical-based
pesticides
frequently
employed
to
combat
problems.
However,
these
have
negative
impacts
on
microbial
ecosystems
ecosystem
functioning.
Rhizosphere
microorganisms
demonstrated
their
potency
improve
manage
encourage
growth,
resulting
in
increased
yield
quality
by
converting
organic
inorganic
substances
around
rhizosphere
zone
into
available
nutrients.
Besides
regulating
nutrient
availability
growth
enhancement,
rhizobacteria
fungi
can
restrict
that
cause
disease
secreting
inhibitory
chemicals
boosting
immunity
pests
pathogens.
Thus,
viewed
as
viable,
alluring
economic
approaches
agriculture
biofertilizers
biopesticides.
This
review
provides
an
overview
role
inducing
defenses.
Moreover,
discussion
presented
surrounding
recent
consequences
employing
strategy
towards
improving
fertilization
effectiveness,
encouraging
stronger,
more
pest-resistant
plants.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 22, 2024
Abstract
Identifying
a
viable
substitute
for
the
limited
array
of
current
antifungal
agents
stands
as
crucial
objective
in
modern
agriculture.
Consequently,
extensive
worldwide
research
has
been
undertaken
to
unveil
eco-friendly
and
effective
capable
controlling
pathogens
resistant
presently
employed
fungicides.
This
study
explores
efficacy
Trichoderma
isolates
combating
tomato
leaf
spot
disease,
primarily
caused
by
Alternaria
alternata
.
The
identified
pathogen,
A.
Alt3,
was
isolated
confirmed
through
ITS
region
(OQ888806).
Six
were
assessed
their
ability
inhibit
Alt3
hyphal
growth
using
dual
culture,
ethyl
acetate
extract,
volatile
organic
compounds
(VOCs)
techniques.
most
promising
biocontrol
isolate
T.
afroharzianum
TRI07
based
on
three
markers:
(OQ820171),
translation
elongation
factor
alpha
1
gene
(OR125580),
RNA
polymerase
II
subunit
(OR125581).
extract
subjected
GC–MS
analysis,
revealing
spathulenol,
triacetin,
aspartame
main
compounds,
with
percentages
28.90,
14.03,
12.97%,
respectively.
Analysis
TRI07-VOCs
solid-phase
microextraction
technique
indicated
that
abundant
included
ethanol,
hydroperoxide,
1-methylhexyl,
1-octen-3-one.
When
interacted
34
identified,
major
components
including
1-octen-3-one,
hexanedioic
acid,
bis(2-ethylhexyl)
ester.
In
greenhouse
experiment,
treatment
48
h
before
inoculation
(A3
treatment)
resulted
reduction
disease
severity
(16.66%)
incidence
(44.44%).
Furthermore,
A3
led
improved
performance
parameters
increased
chlorophyll
content.
After
21
days
post-inoculation,
associated
production
antioxidant
enzymes
(CAT,
POD,
SOD,
PPO),
while
infected
plants
exhibited
elevated
levels
oxidative
stress
markers
MDA
H
2
O
HPLC
analysis
extracts
from
revealed
higher
phenolic
acids
such
gallic,
chlorogenic,
caffeic,
syringic,
coumaric
acids,
well
flavonoid
catechin,
rutin,
vanillin.
novelty
lies
bridging
gap
between
strain-specific
attributes
practical
application,
enhancing
understanding
TRI07’s
potential
integrated
pest
management.
concludes
presents
natural
biological
activity,
effectively
promoting
plant
growth.
findings
have
implications
agriculture,
suggesting
sustainable
strategy
can
enhance
crop
resilience
contribute
management
practices.
Journal of Fungi,
Journal Year:
2023,
Volume and Issue:
9(2), P. 167 - 167
Published: Jan. 27, 2023
Rhizoctonia
solani
causes
severe
diseases
in
many
plant
species,
particularly
root
rot
tomato
plants.
For
the
first
time,
Trichoderma
pubescens
effectively
controls
R.
vitro
and
vivo.
strain
R11
was
identified
using
ITS
region
(OP456527);
meanwhile,
T.
Tp21
characterized
by
(OP456528)
two
genes
(tef-1
rpb2).
The
antagonistic
dual
culture
method
revealed
that
had
a
high
activity
of
76.93%
vitro.
A
substantial
increase
length,
height,
shoot
fresh
dry,
dry
weight
indicated
after
applying
to
plants
Additionally,
it
significantly
increased
chlorophyll
content
total
phenolic
compounds.
treatment
with
exhibited
low
disease
index
(DI,
16.00%)
without
significant
differences
Uniform®
fungicide
at
concentration
1
ppm
(14.67%),
while
solani-infected
showed
DI
78.67%.
At
15
days
inoculation,
promising
increases
relative
expression
levels
three
defense-related
(PAL,
CHS,
HQT)
were
observed
all
treated
compared
non-treated
Plants
alone
highest
value,
transcriptional
PAL,
HQT
2.72-,
4.44-,
3.72-fold
higher
comparison
control
plants,
respectively.
treatments
increasing
antioxidant
enzyme
production
(POX,
SOD,
PPO,
CAT),
MDA
H2O2
infected
HPLC
results
leaf
extract
fluctuation
polyphenolic
compound
content.
application
or
for
treating
pathogen
infection
elevated
acids
such
as
chlorogenic
coumaric
acids.
Therefore,
ability
inhibit
growth
solani,
enhance
development
induce
systemic
resistance
supports
potential
bioagent
managing
productivity
crops.
Plants,
Journal Year:
2023,
Volume and Issue:
12(11), P. 2103 - 2103
Published: May 25, 2023
Tobacco
mosaic
virus
(TMV)
is
a
major
pathogen
affecting
tomato
plants
worldwide.
The
efficacy
of
silver
nanoparticles
(Ag-NPs)
mediated
by
Punica
granatum
biowaste
peel
extract
in
mitigating
the
negative
impact
TMV
infection
on
growth
and
oxidative
stress
was
investigated
through
scanning
electron
microscopy
(SEM),
transmission
(TEM),
UV-Visible
(UV-Vis)
spectrophotometer,
X-ray
Diffraction
(XRD),
dynamic
light
scattering
(DLS),
zeta
potential,
energy-dispersive
spectroscopy
(EDX),
Fourier-transform
infrared
spectra
(FTIR).
Results
SEM
analysis
green
Ag-NPs
revealed
presence
condensed
spherical
or
round
NPs
with
diameters
ranging
between
61
97
nm.
TEM
confirmed
results
showed
round-shaped
an
average
size
33.37
±
12.7
elemental
(EDX)
prepared
Ag
as
peak
(64.43%)
at
3-3.5
KeV.
FTIR
several
functional
groups
Ag-NPs,
for
which
three
treatment
strategies
Ag-NP
applications
were
evaluated
greenhouse
study
compared
to
inoculated
control
plants:
pre-infection
(TB),
post-infection
(TA),
dual
(TD).
that
TD
strategy
most
effective
improving
reducing
viral
replication,
whereas
all
treatments
(TB,
TA,
TD)
found
significantly
increase
expression
pathogenesis-related
(PR)
genes
PR-1
PR-2,
well
polyphenolic
compounds,
HQT,
C4H
plants.
In
contrast,
flavonoid
content
not
affected
infection,
while
phenolic
reduced
group.
Furthermore,
led
significant
markers
MDA
H2O2,
reduction
enzymatic
activity
antioxidants
PPO,
SOD,
POX.
Our
clearly
application
TMV-infected
reduces
accumulation,
delays
replication
treatments,
greatly
enhances
CHS
gene
involved
biosynthesis.
Overall,
these
findings
suggest
may
be
mitigate
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(2), P. 341 - 341
Published: Feb. 5, 2025
Regenerative
agriculture
and
the
use
of
bioinputs
have
been
gaining
prominence
in
global
agribusiness
sector,
driven
by
growing
demand
for
healthier
foods
produced
with
minimal
impact
on
ecosystems.
In
this
context,
compost
its
derivatives
(compost
extracts
teas)
are
used
to
provide
effective
microorganisms
crops,
although
production
processes
affect
efficiency
extracts,
as
well
soil
microbiota.
Thus,
hypothesis
raised
was
that
organic
matter
source
formation
affects
agronomic
extracts.
The
objective
study
evaluate
effect
based
litterfall
angiosperm
(AC)
gymnosperm
(GC)
species,
inoculation
nitrogen-fixing
bacteria
Bradyrhizobium
japonicum
Azospirillum
brasilense
(Bra+Azo),
quality,
crop
growth,
grain
yield,
disease
control
soybean
(Glycine
max
L.)
crops.
Using
AC
GC
resulted
varying
effects
growth
microbial
biomass
carbon
(SMBC),
confirming
Plants
inoculated
Bra+Azo
exhibited
higher
chlorophyll
contents,
resulting
a
photochemical
yield
than
those
treated
(AC
GC).
However,
plants
high
plasticity
mitigating
stress,
reaching
similar
photosynthetic
transpiration
rates
observed
Bra+Azo.
Additionally,
Bra+Azo,
overall,
improved
plants,
GC)
were
more
increasing
1000-grain
weight,
probably
due
improvements
root
development.
promotion
is
likely
attributed
increases
SMBC
these
compounds,
denoting
quality
biocontrol
damage
caused
insect
attacks.
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(19), P. 12799 - 12799
Published: Oct. 7, 2022
The
increasing
usage
of
chemical
control
agents,
as
well
fungicides
to
manage
plant
diseases,
causes
human
and
environmental
health
problems.
Macroalgae
represent
a
reservoir
for
tremendous
variety
secondary
metabolites
that
display
wide
range
biological
activities.
However,
their
anti-phytopathogenic
properties
are
still
being
studied.
current
study
was
conducted
investigate
whether
or
not
the
macroalgae
Ulva
fasciata
extract
exhibits
antifungal
antiviral
In
this
regard,
organic
extracts
U.
were
tested
capabilities
against
tobacco
mosaic
virus
(TMV)
three
molecularly
identified
fungal
isolates,
Fusarium
verticillioides,
Alternaria
tenuissima,
Botrytis
cinerea
with
accession
numbers
OP363619,
OP363620,
OP363621,
respectively.
Among
concentrations,
100
µg/mL
had
best
activity
B.
TMV,
69.26%and
81.25%
inhibition
rates,
HPLC
analysis
profiling
showed
presence
number
phenolic
flavonoid
compounds
widely
known
many
line,
4-Hydroxybenzoic
acid
highest
compound
(12.3
µg/mL)
present
in
extract,
followed
by
ferulic
(9.05
µg/mL).
7-hydroxyflavone
(12.45
faciata
rutin,
which
recorded
concentration
7.62
µg/
mL.
results
show
has
properties,
makes
it
possible
source
natural
antimicrobial
agents.
Horticulturae,
Journal Year:
2023,
Volume and Issue:
9(6), P. 716 - 716
Published: June 17, 2023
Biological
treatments
may
be
employed
to
combat
viral
plant
infections.
In
this
study,
Trichoderma
viride
was
applied
as
a
biocontrol
agent
enhance
the
systemic
resistance
of
potato
plants
against
virus
Y
(PVY).
T.
isolate
Tvd44
(OQ991378)
isolated
and
molecularly
characterized
before
being
used
an
PVY.
The
foliar
application
on
PVY-inoculated
potatoes
significantly
promoted
growth,
height,
roots,
number
leaves.
Results
also
showed
that
levels
peroxidase
(POX),
polyphenol
oxidase
(PPO),
total
proteins,
chlorophyll
increased
in
leaves
21
days
post-inoculation
compared
untreated
plants.
qPCR
assays
conducted
Tvd44-treated
exhibited
reduction
PVY-CP
accumulation
up
18.76-fold
(101.82-fold).
results
defense-related
genes
(PR-1,
POD,
PAL,
CHS,
HQT)
were
highly
expressed
all
Three
compounds:
thiocarbamic
acid,
N,N-dimethyl,
S-1,3-diphenyl-2-butenyl
ester;
1,1-dicyano-2-methyl-4-(p-cyanophenyl)
propane;
trans-[(2,3-diphenylcyclopropyl)methyl]
phenyl
sulfide
most
abundant
compounds
detected
ethyl
acetate
extract
Tvd44-culture
filtrate
using
GC–MS
analysis.
Our
finding
supports
efficacy
potential
can
successfully
control
PVY
infections
increase
productivity
crop.