Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: June 8, 2022
Abstract
Methods
used
to
control
natural
enemies;
insects
in
particular,
have
been
mainly
chemical.
Given
the
irritations
associated
with
use
of
pesticides,
a
search
for
alternatives
is
required,
particularly
through
plant
extracts.
The
present
study
focused
on
comparing
insecticidal
power
aqueous
extracts
Dittrichia
viscosa
combination
bio-adjuvant
Silene
fuscata
and
synthetic
pesticide
Thiamethoxam/
Lambda-cyhalothrin
abundance,
biochemical
life
traits
demographic
parameters
winter
phenotype
Chaitophorus
leucomelas
.
results
show
strong
effect
abundance
,
well
pronounced
activity
under
extract
ratio
/
Silena
Lipid
carbohydrate
energy
biomarkers
sexuparae
undergo
changes
depending
products
used,
very
significant
disturbing
action
product
compared
fecundity
C.
shows
remarkable
disturbance
active
ingredient
also
confirm
that
applied
cause
growth
rate
(r
m
)
reproduction
(R
0
females,
chemical
treatment
having
strongest
effect.
full
dose
causes
disturbances
multiplication
(λ)
mean
generation
time
(T)
other
molecules.
Some
stability
reported
doubling
(DT)
treated
females
ones.
Agronomy,
Journal Year:
2022,
Volume and Issue:
12(9), P. 2150 - 2150
Published: Sept. 9, 2022
The
fall
armyworm
of
maize,
Spodoptera
frugiperda
(J.
E.
Smith)
(Lepidoptera;
Noctuidae)
is
capable
causing
a
100%
yield
loss
due
to
its
unforeseen
occurrence
from
the
seedling
cob
formation
stage.
To
manage
this
serious
pest,
maize
growers
are
tending
apply
high
dosage
pesticides.
This
indiscriminate
usage
pesticides
has
resulted
in
an
unacceptable
amount
insect
resurgence
harming
production
and
consumption.
In
review,
we
prepared
list
practical
pest
management
options,
including
host
plant
resistance,
agronomical,
cultural,
biological,
botanical,
chemical,
biotechnology
approaches.
It
was
found
that
cultivation
tolerant
genotypes,
adjusting
sowing
windows,
practicing
specific
intercultural
cropping
systems
measures
addition
chemical
non-chemical
strategies
showed
encouraging
results
for
sustainable
armyworm,
which
could
protect
crop.
review
highlights
novel
successful
options
advocated
various
parts
world.
Recommendations
documented
paper
would
certainly
pave
way
other
concerned
crops.
Journal of Agricultural and Food Chemistry,
Journal Year:
2022,
Volume and Issue:
70(25), P. 7636 - 7643
Published: June 16, 2022
Cytochrome
P450
monooxygenases
(P450s)
play
important
roles
in
the
detoxification
metabolism
of
xenobiotics
and
are
involved
resistance
insects
to
many
insecticides.
In
this
study,
piperonyl
butoxide
(PBO),
an
inhibitor
enzyme
activity,
significantly
increased
toxicity
clothianidin
clothianidin-resistant
(CL-R)
population
Bradysia
odoriphaga.
The
activity
CL-R
was
higher
than
that
SS
population.
Furthermore,
four
genes
were
found
be
overexpressed
Tissue-specific
expression
analysis
indicates
CYP9J57,
CYP3828A1,
CYP6SX1,
CYP6QE1
most
highly
expressed
midgut
and/or
Malpighian
tubules.
After
exposure
LC30
clothianidin,
levels
upregulated.
RNAi-mediated
knockdown
susceptibility
B.
odoriphaga
clothianidin.
These
results
suggest
This
provides
a
better
understanding
P450-mediated
will
contribute
management
insect
Ecotoxicology,
Journal Year:
2024,
Volume and Issue:
33(3), P. 253 - 265
Published: March 11, 2024
Abstract
In
agroecosystems,
insects
contend
with
chemical
insecticides
often
encountered
at
sublethal
concentrations.
Insects’
exposure
to
these
mild
stresses
may
induce
hormetic
effects,
which
has
consequences
for
managing
insect
pests.
this
study,
we
used
an
electrical
penetration
graph
(EPG)
technique
investigate
the
feeding
behavior
and
age-stage,
two-sex
life
table
approach
estimate
effects
of
thiamethoxam
on
greenbug,
Schizaphis
graminum
.
The
LC
5
10
significantly
decreased
longevity
fecundity
directly
exposed
adult
aphids
(F
0
).
However,
longevity,
fecundity,
reproductive
days
(RP
d
)—indicating
number
in
females
produce
offspring
–
progeny
generation
1
)
exhibited
significant
increase
when
parental
were
treated
active
ingredient.
Subsequently,
key
demographic
parameters
such
as
intrinsic
rate
(
r
net
R
increased
treatment.
EPG
recordings
showed
that
total
durations
non-probing
(Np),
intercellular
stylet
pathway
(C),
salivary
secretion
into
sieve
element
(E1)
increased,
while
mean
duration
probing
(Pr)
phloem
sap
ingestion
concurrent
salivation
(E2)
F
adults
Interestingly,
generation,
Np
was
E2
Taken
together,
our
results
LC5
induces
intergenerational
individuals
S.
These
findings
have
important
implications
control
against
highlight
need
a
deeper
understanding
ecological
exposures
within
pest
management
strategies
across
agricultural
landscapes.
Terrestrial
plants
naturally
produce
chemical
signals
to
attract
beneficial
insects
or
repel
harmful
pests.
These
inherent
plant
attributes
offer
promising
opportunities
for
eco-friendly
pest
control
in
agriculture,
particularly
through
the
push-pull
intercropping
technique.
However,
our
understanding
of
potential
repellent
and
their
effective
remains
limited.
In
this
study,
we
evaluated
multiple
species
properties,
identified
volatile
organic
compounds,
investigated
mechanisms
controlling
fungus
gnat
Bradysia
odoriphaga
Chinese
chives.
Among
12
tested,
Mentha
haplocalyx,
Ocimum
basilicum
Pelargonium
graveolens
demonstrated
strong
effects,
making
them
candidates
as
'push'
plants.
Eight
major
compounds
were
repellents,
with
1,8-cineole
being
most
efficient.
consistently
exhibited
effects
against
gnats
across
various
concentrations
exposure
durations.
Transcriptomic
analysis
revealed
that
upregulated
genes
is
associated
energy
production
processes,
suggesting
can
detect
actively
avoid
compound.
Field
experiments
further
confirmed
effectiveness
strategy,
chives
M.
haplocalyx
significantly
reduced
infestations.
This
study
presents
a
novel
approach
managing
offers
valuable
insights
into
sustainable
management
practices
agriculture.