Journal of Biological Control,
Journal Year:
2023,
Volume and Issue:
unknown, P. 131 - 144
Published: Sept. 30, 2023
The
present
study
was
intended
to
optimize
the
culture
conditions
for
secondary
metabolite
production
by
endophytic
fungi.
Based
on
morphology
and
phylogeny,
fungus
identified
as
Trichoderma
longibrachiatum
isolated
from
brinjal
leaf
based
morphological
characterization.
antifungal
activity
evaluated
against
phytopathogens
such
Macrophomina
phaseolina,
Phytopthora
infestans,
Colletotrichum
falcatum
gloeosporioides
through
overlapping
method,
filtrate
organic
fraction
Potato
dextrose
both
a
growth
medium.
exhibited
significant
activity,
while
modifications
in
medium
composition
may
possess
major
impact
quantity
quality
of
metabolites
production.
To
achieve
maximum
production,
optimized
with
screening
basal
media,
carbon,
nitrogen,
pH,
trace
elements
incubation
period.
final
fermentation
were
Minimal
ereavis
broth
media;
glucose
sucrose
carbon
source;
Peptone
Yeast
extract
nitrogen
source,
sodium
nitrate
precursor;
pH
6;
period
7
days
at
28°C.
This
optimization
resulted
47.19-60.67%
M.
P.
C.
falcatum,
which
higher
than
that
before
(43.80%).
GCMS
revealed
distinct
T.
longibrachiatum,
comprising
molecules
additional
bioactivities.
These
results
strengthen
ongoing
research
disease
control
agriculture
emphasizing
biocontrol
potential
phyllosphere
plant
pathogenic
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 29, 2023
Abstract
Background
Seaweeds
contain
a
widespread
range
of
fatty
acids
(FA),
and
several
them
have
potential
bioactivity.
FAs
are
dynamic
members
all
biota,
as
well
being
acknowledged
for
their
critical
function
in
initiating
phytohormone
interactions
acting
important
participants
many
defence
signalling
pathways
the
plant
system.
The
current
study
looks
at
defense-eliciting
potentials
from
green
seaweed
Chaetomorpha
antennina
impact
on
polyphagous
insect
pest
Spodoptera
litura
(Fab).
Results
was
detected
with
19
acids,
larger
proportion
hexa
octadecanoic
linoleic
acids.
algal
acid
compounds
(CFA)
successful
eliciting
salicylic
phenolic
biosynthesis
along
enzymes
peroxidase
(PO)
polyphenol
oxidase
(PPO).
defense
phenol
levels
increased
post
infestation
S.
.
CFA
also
effective
causing
direct
mortalities
to
larvae
(II-V
instars).
exposed
elicited
tomato
plants
were
severely
affected
physiologically
morphologically,
displaying
visible
aberrations
morphogenetic
defects
such
altered
larval-pupal
duration
biomass.
Reproductive
performances
adults
affected.
Decrease
food
utilization,
nutritional
indices
corresponding
decrease
phosphatase
gut
affirm
feeding
deterrence
larvae,
which
endorsed
by
histological
analysis
midgut
cell
disruption
larvae.
Detoxification
enzyme
denote
inability
larval
immune
system
evade
harmfulness
CFA.
Conclusion
Hence,
finally
confirms
elicitor
C.
,
inducing
natural
systemic
defences.
This
investigation
unlocks
novel
forecasts
besides
delivering
an
unconventional
method
crop
protection
moderate
or
interchange
solicitation
chemical
pesticides.
Forests,
Journal Year:
2023,
Volume and Issue:
14(12), P. 2322 - 2322
Published: Nov. 27, 2023
Oil
tea
(Camellia
oleifera
Abel.),
an
important
edible
oil
tree
found
in
the
acidic
soil
of
south
China,
is
tolerant
to
aluminum
(Al);
however,
mechanism
via
which
it
detoxifies
Al
remains
unclear.
The
present
study
investigated
accumulation
and
distribution
changes
antioxidant
components
C.
leaves
at
different
stages
growth.
analysis
revealed
that
content
young,
mature,
old
was
1.53,
7.49,
12.04
g
kg−1,
respectively.
In
leaves,
mainly
accumulated
cell
wall,
accounted
for
66.03%,
79.94%,
86.51%
total
leaf
hemicellulose
increased
from
54.22%
81.72%
with
age.
proportion
upper
epidermis,
lower
palisade,
spongy
parenchyma
walls
activity
enzymes
showed
a
synergistic
effect
on
stress
peroxidase
highest
mature
2.3
times
young
leaves.
Meanwhile,
catalase
superoxide
dismutase
activities
phenol
were
Correlation
system
composed
catalase,
(CAT,
SOD,
TP)
negatively
correlated
malondialdehyde
(MDA)
positively
indicating
MDA
helped
resist
oleifera.
Thus,
our
findings
suggest
increase
properties
modification
wall
contributed
detoxification
hyperaccumulator
Journal of Biological Control,
Journal Year:
2023,
Volume and Issue:
unknown, P. 131 - 144
Published: Sept. 30, 2023
The
present
study
was
intended
to
optimize
the
culture
conditions
for
secondary
metabolite
production
by
endophytic
fungi.
Based
on
morphology
and
phylogeny,
fungus
identified
as
Trichoderma
longibrachiatum
isolated
from
brinjal
leaf
based
morphological
characterization.
antifungal
activity
evaluated
against
phytopathogens
such
Macrophomina
phaseolina,
Phytopthora
infestans,
Colletotrichum
falcatum
gloeosporioides
through
overlapping
method,
filtrate
organic
fraction
Potato
dextrose
both
a
growth
medium.
exhibited
significant
activity,
while
modifications
in
medium
composition
may
possess
major
impact
quantity
quality
of
metabolites
production.
To
achieve
maximum
production,
optimized
with
screening
basal
media,
carbon,
nitrogen,
pH,
trace
elements
incubation
period.
final
fermentation
were
Minimal
ereavis
broth
media;
glucose
sucrose
carbon
source;
Peptone
Yeast
extract
nitrogen
source,
sodium
nitrate
precursor;
pH
6;
period
7
days
at
28°C.
This
optimization
resulted
47.19-60.67%
M.
P.
C.
falcatum,
which
higher
than
that
before
(43.80%).
GCMS
revealed
distinct
T.
longibrachiatum,
comprising
molecules
additional
bioactivities.
These
results
strengthen
ongoing
research
disease
control
agriculture
emphasizing
biocontrol
potential
phyllosphere
plant
pathogenic
