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.
Insects,
Journal Year:
2024,
Volume and Issue:
15(7), P. 529 - 529
Published: July 13, 2024
Flonicamid
is
a
novel
systemic
insecticide
widely
used
against
aphids.
However,
the
intergenerational
sublethal
effects
of
flonicamid
on
cotton
aphid,
Aphis
gossypii,
have
not
been
fully
studied.
This
study
aimed
to
evaluate
biological
parameters
adult
A.
gossypii
(F0)
and
its
subsequent
offspring
(F1
generation)
through
age-stage,
two-sex
life
table
analysis.
The
results
bioassays
indicate
that
exhibits
significant
toxicity
toward
as
evidenced
by
an
LC50
value
0.372
mg
L−1
after
48-h
exposure
period.
longevity,
fecundity,
reproductive
days
aphids
were
significantly
decreased
when
treated
with
concentrations
flonicamid.
pre-adult
stage
exhibited
increase,
whereas
total
fecundity
experienced
notable
decrease
in
F1
F0
Furthermore,
key
demographic
parameters,
including
r,
λ,
R0,
RPd,
showed
decrease,
while
pre-reproductive
period
(TPRP)
increase
generation.
Collectively,
our
findings
impact
resulting
suppression
population
growth.
presents
comprehensive
information
overall
which
could
potentially
aid
managing
this
major
pest.
CABI Agriculture and Bioscience,
Journal Year:
2024,
Volume and Issue:
5(1)
Published: Oct. 29, 2024
Abstract
Trichogramma
brassicae
is
one
of
the
most
important
egg
parasitoids
many
pests
including
South
American
tomato
pinworm,
Tuta
absoluta
(Lepidoptera:
Gelechiidae).
In
agrosystems,
function
can
be
affected
by
application
insecticides.
To
use
biological
control
agents
and
pesticides
simultaneously
in
pest
management,
it
necessary
to
know
potential
effect
on
agents.
this
study,
lethal
sublethal
effects
four
insecticides
(flubendiamide,
emamectin
benzoate
+
lufenuron,
thiocyclam,
spinosad)
frequently
used
T.
,
were
investigated
its
parasitoid
Brassicae
Bezdenko
(Hymenoptera:
Trichogrammatidae),
under
controlled
laboratory
conditions.
The
results
showed
that
spinosad
with
an
LC
50
value
0.73
mg
a.i./
L
was
highly
toxic
against
adults
comparison
flubendiamide
(4.09
L),
lufenuron
(4.17
thiocyclam
(9.59
L).
Furthermore,
key
demographic
parameters
such
as
net
reproductive
rate
(
R
0
),
intrinsic
increase
r
m
mean
generation
time
T
doubling
(DT)
significantly
decreased
after
exposure
30
s
spinosad,
flubendiamide,
compared
control.
light
our
results,
should
cautiously
integrated
management
programs.
While
combined
brassicae,
are
not
recommended
presence
parasitoid.
avoided
concomitantly
release
.
Journal of Agriculture and Ecology,
Journal Year:
2022,
Volume and Issue:
13, P. 160 - 170
Published: June 30, 2022
The
objective
of
this
work
was
to
determine
the
biological
parameters
and
thermal
requirements
Trichogramma
chilonis
strain
reared
on
Corcyra
cephalonica
Plutella
xylostella
eggs
at
College
Agriculture,
CAU,
Imphal,
Manipur.
optimum
temperature
for
parasitism
emergence
T.
25°C
utmost
longevity
found
same
temperature.
Maximum
observed
84.14
82.71
per
cent
25°C,
while
minimum
76.57
69.14
20°C
C.
P.
eggs,
respectively.
results
indicate
that
has
a
significant
effect
with
increasing
developmental
duration
decreased
in
laboratory
condition
On
basis
present
more
suitable
mass
production
than
under
controlled
conditions.
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.
