Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 5, 2024
Abstract
The
fall
armyworm
(
Spodoptera
frugiperda
)
is
a
major
agricultural
pest
known
for
developing
resistance
to
insecticides.
This
study
investigated
novel
approach
manage
the
by
silica
nanoparticles
(SiNPs)
synthesized
from
eco-friendly
Moringa
oleifera
leaf
extract.
green
synthesis
method
offers
sustainable
and
potentially
safer
alternative
traditional
chemical
processes.
SiNPs
formation
was
confirmed
various
techniques:
UV–visible
spectrophotometer,
X-ray
spectroscopy
with
energy
dispersive
(EDX),
scanning
electron
microscopy
(SEM),
dynamic
light
scattering
(DLS).
effectiveness
of
alone
its
combination
three
common
insecticides
(emamectin
benzoate,
indoxacarb,
chlorpyrifos)
were
evaluated
against
third
instar
larvae
armyworm.
While,
after
24
h
dipping
recorded
limited
insecticidal
activity
(LC
50
=
9947.59
mg/L),
it
significantly
enhanced
potency
all
Combining
emamectin
benzoate
resulted
in
most
dramatic
increase
compared
insecticide
LC
0.295
mg/L
0.42
mg/L,
respectively.
research
suggests
that
moringa
extract
can
be
valuable
resource
useful
control.
could
reduce
amount
needed
effective
control,
leading
more
environmentally
friendly
practice.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Март 28, 2024
Silicon
(Si)
is
a
widely
recognized
beneficial
element
in
plants.
With
the
emergence
of
nanotechnology
agriculture,
silicon
nanoparticles
(SiNPs)
demonstrate
promising
applicability
sustainable
agriculture.
Particularly,
application
SiNPs
has
proven
to
be
high-efficiency
and
cost-effective
strategy
for
protecting
plant
against
various
biotic
abiotic
stresses
such
as
insect
pests,
pathogen
diseases,
metal
stress,
drought
salt
stress.
To
date,
rapid
progress
been
made
unveiling
multiple
functions
related
mechanisms
promoting
sustainability
agricultural
production
recent
decade,
while
comprehensive
summary
still
lacking.
Here,
review
provides
an
up-to-date
overview
synthesis,
uptake
translocation,
alleviating
aiming
reasonable
usage
nano-enabled
The
major
points
are
listed
following:
(1)
can
synthesized
by
using
physical,
chemical,
biological
(green
synthesis)
approaches,
green
synthesis
wastes
raw
materials
more
suitable
large-scale
recycling
(2)
translocation
plants
differs
significantly
from
that
Si,
which
determined
factors
properties
SiNPs.
(3)
Under
stressful
conditions,
regulate
stress
acclimation
at
morphological,
physiological,
molecular
levels
growth
stimulator;
well
deliver
pesticides
regulating
chemicals
nanocarrier,
thereby
enhancing
yield.
(4)
Several
key
issues
deserve
further
investigation
including
effective
approaches
modification,
basis
SiNPs-induced
resistance,
systematic
effects
on
ecosystem.
Cogent Food & Agriculture,
Год журнала:
2024,
Номер
10(1)
Опубликована: Апрель 18, 2024
The
fields
of
agronomy
and
pesticides
have
assumed
significant
roles
in
contemporary
society.
Pesticides
can
adverse
effects
on
human
health,
both
the
short
long
term.
We
conducted
a
comprehensive
analysis
various
categories
pesticides,
providing
thorough
examination
their
modes
operation,
prevalence,
global
utilization.
A
critical
review
reported
research
has
been
to
investigate
carcinogenic
agricultural
pesticide
use
health.
widespread
utilization
malathion
parathion
for
pest
management
indicates
that
individual
occupational
choices
significantly
impact
exposure
these
chemicals.
cause
neurological
abnormalities,
reproductive
problems,
respiratory
irritations,
ecological
disturbance,
emergence
resistance,
among
other
sublethal
consequences
beyond
carcinogenicity
(breast
cancer,
lymphomas,
multiple
myeloma,
bladder
leukemia).
Ultimately,
there
is
an
anticipation
forthcoming
surge
endeavors
mitigate
hazardous
consequent
peril
they
pose
well-being
ecosystem.
Insects,
Год журнала:
2025,
Номер
16(2), С. 175 - 175
Опубликована: Фев. 6, 2025
Vitellogenin
(Vg)
and
the
vitellogenin
receptor
(VgR)
play
essential
roles
in
insect
reproductive
development.
However,
functions
of
Vg
VgR
genes
Lasioderma
serricorne,
an
important
pest
stored
products,
are
unknown.
We
identified
characterized
these
two
genes,
designated
LsVg
LsVgR,
L.
serricorne.
The
open
reading
frames
LsVgR
were
5232
5529
bp,
encoding
1743
1842
amino
acid
residues,
respectively.
Both
predominantly
expressed
female
adults
exhibited
highest
expression
ovaries.
RNAi-mediated
silencing
or
significantly
decreased
average
length
ovarian
tubes
oocytes
severely
affected
Knockdown
reduced
oviposition
period,
number
eggs
laid,
egg
hatching
rate.
Females
injected
with
dsLsVg
+
found
to
had
content.
co-silencing
a
more
pronounced
effect
on
reducing
period
fecundity
This
study
revealed
importance
regulating
reproduction
shows
their
potential
as
targets
for
RNAi-based
control
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Фев. 24, 2025
In
this
study,
211
pesticides
were
analyzed
simultaneously
using
a
QuEChERS
method
coupled
with
GC–MS–MS
and
LC–MS–MS
in
90
fresh
date
fruit
samples
produced
Kerman
Province.
Probabilistic
estimates
of
non-carcinogenic
carcinogenic
health
risks
evaluated
Monte
Carlo
simulation-based
hazard
Quotient
(HQ),
index
(HI)
risk
(CR).
The
linearity
0.015–0.30
mg
kg−1
the
coefficient
determination
(R2)
values
exceeding
0.9989
achieved.
percentage
recoveries,
limits
detection
(LODs),
quantification
(LOQs),
Relative
standard
deviation
(RSD
%)
matrix
effect
(ME)
determined
range
77–119%,
0.001–0.003
0.005–0.01
kg−1,
≤
15%
−
7.5
to
14.2%,
respectively.
Among
fruits,
9
(10%)
contained
at
least
one
pesticide
residue,
whereas
5
(5.5%)
showed
residues
maximum
residual
limit
(MRL)
according
national
European
Commission.
obtained
HQ
for
target
as
cypermethrin
>
imazalil
permethrind
endosulfan
Fenpropathrin.
HI
adult
child
consumers
all
lower
than
1.
CR
was
less
1.0E-6
value.
Thus,
there
no
fruits.
