Insects,
Год журнала:
2023,
Номер
14(2), С. 145 - 145
Опубликована: Янв. 31, 2023
Methyl
jasmonate
(MeJA)
is
a
volatile
substance
derived
from
jasmonic
acid
(JA),
and
it
responds
to
interbiotic
abiotic
stresses
by
participating
in
interplant
communication.
Despite
its
function
communication,
the
specific
role
of
MeJA
insect
defense
responses
poorly
understood.
In
this
study,
we
found
that
carboxylesterase
(CarE)
activities,
glutathione-S-transferase
(GSTs)
cytochrome
mono-oxygenases
(P450s)
content
increased
more
after
feeding
diets
containing
xanthotoxin,
while
larvae
exposed
fumigation
also
showed
higher
enzyme
activity
dose-dependent
manner:
lower
medium
concentrations
induced
detoxification
activities
than
MeJA.
Moreover,
improved
growth
fed
on
control
diet
without
toxins
with
xanthotoxin
(0.05%);
however,
could
not
protect
against
(0.1%,
0.2%).
summary,
demonstrated
effective
at
inducing
S.
litura
response,
but
enhanced
detoxifying
ability
overcome
strong
toxins.
Insect–plant
interactions
are
complex
and
dynamic
relationships
that
have
evolved
over
millions
of
years.
Plants
developed
various
adaptations
to
deter
insect
herbivores,
including
physical,
chemical,
induced
defences.
In
response,
insects
detoxification
mechanisms,
behavioural
adaptations,
physiological
overcome
these
This
coevolutionary
arms
race
has
shaped
the
between
plants
insects,
leading
a
diverse
array
strategies
counter-strategies.
Additionally,
other
associated
organisms
such
as
endosymbionts
rhizosphere
microbes
been
shown
play
critical
role
in
interactions.
Endosymbionts
can
alter
nutritional
quality
plant
tissue
confer
resistance
environmental
stressors,
while
influence
growth
nutrient
uptake.
Understanding
insect–plant
important
implications
for
protection
management.
By
leveraging
relationships,
we
develop
sustainable
eco-friendly
approaches
crop
pest
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 19, 2025
With
growing
concerns
over
the
sustainability
of
conventional
farming
systems,
perennial
crops
offer
an
environmentally
friendly
and
resilient
alternative
for
long-term
agricultural
production.
Perennial
grain
provide
numerous
benefits,
such
as
low
input
investment,
reduced
tillage,
soil
conservation,
better
carbon
sequestration,
sustainable
yields,
enhanced
biodiversity
support.
Sorghum
(Sorghum
bicolor)
is
fifth
most-grown
cereal
crop
grown
food,
fuel,
food
in
world.
The
development
sorghum
offers
a
substitute
traditional
annual
by
providing
environmental,
economic,
agronomic
benefits.
Sugarcane
aphid
(SCA;
Melanaphis
sacchari),
phloem-feeder,
considered
major
threat
to
Since
its
first
report
2013,
it
caused
$40.95
million
losses
South
Texas
alone
2015,
accounting
about
19%
total
value
production
region.
In
this
study,
we
screened
diverse
genotypes
using
no-choice
choice
assays
determine
their
innate
antibiosis
antixenosis
resistance
levels
SCAs.
Based
on
reproduction
plant
damage
rating,
bioassay
classified
43
into
four
clusters:
highly
susceptible,
moderately
resistant,
resistant.
To
further
investigate
mechanisms,
selected
two
genotypes,
X999
>
R485
(SCA-resistant)
PR376
~
Tift241
(SCA-susceptible)
that
showed
greatest
variation
SCA,
subsequent
experiments.
Choice
results
indicated
aphids
chose
settlement,
whereas
no
significant
preference
was
observed
compared
control
genotype.
Electrical
penetration
graph
(EPG)
demonstrated
feeding
SCA-resistant
genotype
spent
significantly
less
time
phloem
phase
than
susceptible
plants.
identification
will
be
valuable
future
breeding
programs
managing
economically
important
pest.
The Canadian Entomologist,
Год журнала:
2025,
Номер
157
Опубликована: Янв. 1, 2025
Abstract
Glyphodes
pyloalis
Walker
(Lepidoptera:
Pyralidae)
is
a
destructive
monophagous
pest
of
mulberry,
Morus
Linnaeus
(Moraceae),
trees.
In
order
to
identify
mulberry
cultivars
resistant
G.
,
12
were
examined
using
field
and
in
vitro
testing.
Field
observations
indicated
that
AlbapC,
BombyL,
LaeviT,
CathaB
had
less
than
10.0%
damage,
with
no
observed
damage
on
the
cultivar.
The
life
table
parameters
showed
cultivar
longest
larval
pupal
duration
(23.2
days
total),
shortest
adult
period
(5.3
days),
lowest
rates
both
pupation
(55.0%)
emergence
(69.7%),
highest
mortality
(61.7%),
average
weight
pupae
(30.4
mg),
daily
oviposition
(5.0
eggs/female/day).
performance
revealed
density.
Correlation
analyses
confirmed
significant
correlations
exist
between
all
for
performance.
Leaf
characterisation
selected
significantly
higher
values
leaf
wax,
trichome
density,
soluble
glucose,
protein
contents
compared
MultiQ.
This
study
would
be
valuable
reference
evaluating
pest-resistant
establishing
theoretical
foundation
managing
.
