Volatiles from cotton aphid (Aphis gossypii) infested plants attract the natural enemy Hippodamia variegata
Chaoqun Yi,
No information about this author
Dong Teng,
No information about this author
Jiaoxin Xie
No information about this author
et al.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Dec. 20, 2023
The
Aphis
gossypii
is
a
major
threat
of
cotton
worldwide
due
to
its
short
life
cycle
and
rapid
reproduction.
Chemical
control
the
primary
method
used
manage
aphid,
which
has
significant
environmental
impacts.
Therefore,
prioritizing
eco-friendly
alternatives
essential
for
managing
aphid.
ladybird,
Hippodamia
variegata
,
predominant
predator
Its
performance
in
plantation
directly
linked
chemical
communication,
where
volatile
compounds
emitted
from
aphid-infested
plants
play
important
roles
successful
predation.
Here,
we
comprehensively
studied
interaction
between
pest,
natural
enemy
host
by
analyzing
profiles
using
gas
chromatography-mass
spectrometry
(GC-MS).
We
then
utilized
identified
electrophysiological
recording
(EAG)
behavioral
assays.
Through
tests,
initially
demonstrated
clear
preference
both
larvae
adults
H.
plants.
Subsequently,
13
compounds,
namely
α-pinene,
cis
-3-hexenyl
acetate,
4-ethyl-1-octyn-3-ol,
β-ocimene,
dodecane,
E-β-farnesene,
decanal,
methyl
salicylate,
β-caryophyllene,
α-humulene,
farnesol,
DMNT,
TMTT
were
All
these
electrophysiologically
active
induced
detectable
EAG
responses
adults.
Y-tube
olfactometer
assays
indicated
that,
with
few
exceptions
larvae,
all
chemicals
attractive
particularly
at
highest
tested
concentration
(100
mg/ml).
outcomes
this
study
establish
practical
foundation
developing
attractants
open
avenues
potential
advancements
aphid
management
strategies
understanding
details
communication
tritrophic
level.
Language: Английский
Volatiles produced by bacteria in the honeydew of cotton aphids mediate prey location by Hippodamia variegata (Coleoptera: Coccinellidae)
Panjing Li,
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Tao Zhang,
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Yu Gao
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et al.
Biological Control,
Journal Year:
2025,
Volume and Issue:
unknown, P. 105728 - 105728
Published: Feb. 1, 2025
Language: Английский
Enhanced Biological Potential and Phytochemical Profiling of Phoenix Dactylifera Leaves (Deglet Nour and Alig) by Kombucha Fermentation: Focus on Polyphenols, Antioxidant, Antidiabetic, and Cytotoxic Activities
Chemistry & Biodiversity,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 14, 2024
Abstract
The
date
palm,
scientifically
known
as
Phoenix
dactylifera
,
is
an
important
cultural
and
economic
source
of
wealth
in
southern
Tunisia.
It
produces
considerable
agricultural
waste,
including
palm
leaves,
the
disposal
which
often
a
challenge.
Our
study
addresses
sustainable
conversion
leaves
into
valuable
product
through
kombucha
fermentation,
focusing
on
two
widely
used
varieties
Tunisia:
Deglet
Nour
Alig.
HPLC‐RI
analysis
showed
significant
difference
fermentation
process
between
treated
samples,
reflected
highest
sugar
consumption
metabolite
production
Alig
palm.
Unfermented
fermented
were
sequentially
extracted
with
solvents
increasing
polarity
(ethyl
acetate
butanol)
to
evaluate
their
chemical
composition
bioactivity.
results
that
significantly
increased
total
phenolic
content,
amounts
ethyl
fraction.
In
terms
antioxidant
activity,
extracts
high
percentage
inhibitory
activity
(82.76
%)
against
DPPH
radical
found
Palm
Alig,
also
exhibited
most
antidiabetic
capacity
(resulting
IC
50
value
20
μg/mL).
analyses
resulted
detection
19
compounds
by
HPLC‐DAD
volatiles
GC‐MS,
are
mainly
extracts.
Language: Английский
Morphology of the Mouthparts of Ladybeetle Vibidia duodecimguttata (Coleoptera: Coccinellidae), with Emphasis on Their Sensilla
Long Chen,
No information about this author
Yaping Shi,
No information about this author
Ke Wang
No information about this author
et al.
Insects,
Journal Year:
2024,
Volume and Issue:
15(11), P. 854 - 854
Published: Oct. 31, 2024
Mouthparts
are
the
feeding
organs
of
insects,
which
play
vital
roles
in
process.
The
morphology
insect
mouthparts
has
greatly
evolved
according
to
different
foods
and
habits.
Therefore,
studying
structure
is
key
understanding
their
mechanisms.
Language: Английский
Sugar Content Elucidates the Variations in Growth and Development of Hippdamia Variegata Among Three Nutrient Patterns Provided by Glycyrrhiza Uralensis
Hongsheng Pan,
No information about this author
Bingmei Song,
No information about this author
Chunli Xiu
No information about this author
et al.
Published: Jan. 1, 2024
Banker
plants
can
enhance
biocontrol
services
in
adjacent
crop
fields
by
conserving
natural
enemies,
making
them
a
win-win
strategy
for
biodiversity
conservation
and
pest
management
that
has
garnered
global
attention
from
ecologists.
While
ecologists
attribute
the
role
of
banker
to
their
ability
provide
food
predators,
they
often
lack
precise
evidence
support
this
claim.
In
study,
results
indicated
H.
variegata
successfully
completed
life
cycle
under
three
nutrient
patterns
(flowers,
A.
atrata
flowers
with
atrata)
G.
uralensis.
Among
these,
one
involving
exhibited
highest
fitness
level
variegata,
followed
alone.
contrast,
alone
resulted
lowest
level.
The
notable
variations
five
primary
sugar
contents
analyzed
gas
chromatography-mass
spectrometry
(GC-MS).
After
data
transformation,
substantial
linear
correlation
was
observed
between
fructose
glucose
both
partial
development
period
fecundity
variegata.
Notably,
same
content
more
favorable
than
fructose,
having
greater
impact
on
improvement
compared
fructose.
Variance
among
uralensis
may
somehow
explain
differences
growth
especially
transformed
content.
These
findings
valuable
insights
into
laboratory
rearing
techniques
thereby
providing
technical
diversity
enemies
population
responses
structure
diverse
conditions.
Language: Английский