Journal of Plant Interactions,
Journal Year:
2022,
Volume and Issue:
18(1)
Published: Dec. 29, 2022
Whether
nutrient
availability
interacts
with
induced
resistance
to
alter
plant
chemistry
and,
consequently,
the
preference
and
performance
of
herbivores
on
plants
remains
unclear.
We
hypothesized
that
changing
fertilizer
inputs
modulates
responses
by
exogenous
application
defensive
phytohormone
methyl
jasmonate
(MeJA)
against
Tuta
absoluta,
a
devastating
pest
tomatoes.
found
tomato
grown
at
or
2-fold
above
optimal
rates
had
higher
content
were
more
preferred
T.
absoluta
females
for
oviposition
better
hosts
their
offspring.
MeJA
increased
phenolic
volatile
emissions
in
plants,
which
correlated
lower
offspring
performance.
However,
we
no
significant
interactions
when
applied
simultaneously,
such
tomatoes
similar
regardless
rate.
These
results
provide
novel
insights
into
bottom-up
effects
fertilization
plant-insect
herbivore
interactions.
Insect Science,
Journal Year:
2020,
Volume and Issue:
28(3), P. 602 - 610
Published: June 9, 2020
Abstract
Fall
armyworm
(FAW),
Spodoptera
frugiperda
(J.E.
Smith),
is
a
major
polyphagous
pest
with
the
potential
to
seriously
damage
various
crops.
A
better
understanding
of
FAW's
performance
on
different
hosts
may
help
predict
which
plants
will
be
attacked
when
preferred
host
absent,
and
facilitate
development
effective
management
practices.
We
compared
larval
FAW
fed
maize
that
potato
tobacco,
are
important
crops
in
China,
using
an
age‐stage
two‐sex
life
table
adult
female
oviposition
preference
experiments.
In
cage
experiments
potato,
or
as
host,
reared
exhibited
strongest
shorter
developmental
time
stage,
longer
longevity,
higher
reproductive
rate
adults.
Females
oviposited
tobacco.
Compared
larvae
maize,
those
tobacco
significantly
lower
survival,
only
31.61%
8.13%
developing
respectively.
Several
parameters,
including
mean
generation
(
T
),
net
R
0
finite
increase
λ
intrinsic
natural
r
)
were
negatively
affected
Our
results
support
preference–performance
hypothesis,
is,
herbivore
females
maximize
fitness
by
choosing
associated
strong
performance.
Although
adults
performed
poorly
their
offspring
capable
establishing
populations
them,
posing
threat
these
China.
Genomics,
Journal Year:
2021,
Volume and Issue:
113(4), P. 2108 - 2121
Published: May 5, 2021
Tomato
is
more
prone
to
Tuta
absoluta
invasion
and
damages
as
compared
other
host
plants
but
the
mechanism
behind
this
preference
has
not
been
elucidated.
Here,
two
contrasting
plants,
tomato
eggplant,
were
used
investigate
biochemical
transcriptomic
modifications
induced
by
T.
infestation.
Biochemical
analysis
at
0–72
h
post
infestation
revealed
significantly
reduced
concentrations
of
amino
acid,
fructose,
sucrose,
jasmonic
salicylic
total
phenols
in
mainly
48
Transcriptome
showed
higher
transcript
changes
infested
eggplant
than
tomato.
Signaling
genes
had
significant
contributions
mediate
plant
immunity
against
absoluta,
specifically
associated
with
acid
eggplant.
Genes
from
PR1b1,
NPR1,
NPR3,
MAPKs,
ANP1
families
play
important
roles
mitigate
Our
results
will
facilitate
development
control
strategies
for
sustainable
production.
PLoS ONE,
Journal Year:
2021,
Volume and Issue:
16(7), P. e0243334 - e0243334
Published: July 30, 2021
The
tomato
leaf
miner
(TLM),
Tuta
absoluta
(Meyrick),
is
an
invasive
pest
found
worldwide.
Sustainable
control
strategies
aimed
at
increasing
biological
approaches
and
decreasing
chemical
inputs
are
required,
due
to
the
tendency
develop
insecticide
resistance.
In
this
study,
lethal
sublethal
effects
of
four
insecticides
(abamectin,
indoxacarb,
chlorantraniliprole,
spinosad)
entomopathogenic
fungus
Metarhizium
anisopliae
(Metschnikoff)
on
a
widespread
TLM
egg
parasitoid,
Trichogramma
brassicae
Bezdenko,
were
estimated.
Concentration
mortality
response
bioassays
enabled
estimation
concentrations
tested
for
parasitoids,
with
chlorantraniliprole
having
lowest
LC50
indoxacarb
highest.
LC25
sprayed
eggs
then
offered
three
time
intervals
parasitoids.
fertility
other
life
table
parameters
individuals
emerging
from
treated
All
insecticides,
but
not
fungus,
had
harmful
T.
brassicae.
applications
caused
3.84-5.17
times
reduction
in
net
reproductive
rate
(R0)
compared
control.
No
affected
by
spraying
0h
treatment,
recorded
24
and/or
48h,
except
gross
reproduction
(GRR).
value
intrinsic
increase
(rm)
also
decreased
0.528-0.617
after
treatments.
doubling
(DT)
increased
all
treatments
Nevertheless,
generation
(T)
was
only
very
slightly
affected.
addition,
combination
experiments,
M.
showed
remarkable
synergism
controlling
eggs.
These
results
indicate
that
low
levels
key
agents
should
be
considered
choice
included
sustainable
packages.
Biological Invasions,
Journal Year:
2021,
Volume and Issue:
23(12), P. 3809 - 3829
Published: Aug. 10, 2021
Abstract
The
capacity
to
assess
invasion
risk
from
potential
crop
pests
before
of
new
regions
globally
would
be
invaluable,
but
this
requires
the
ability
predict
accurately
their
geographic
range
and
relative
abundance
in
novel
areas.
This
may
unachievable
using
de
facto
standard
correlative
methods
as
shown
for
South
American
tomato
pinworm
Tuta
absoluta
,
a
serious
insect
pest
native
America.
Its
global
invasive
was
not
identified
until
after
rapid
Europe,
followed
by
Africa
parts
Asia
where
it
has
become
major
food
security
problem
on
solanaceous
crops.
Early
prospective
assessment
its
is
possible
physiologically
based
demographic
modeling
that
have
knowledge
gaps
T.
biology
at
low
temperatures.
Physiologically
models
(PBDMs)
realistically
capture
weather-driven
mechanistic
way
allowing
evaluation
areas
climes
including
climate
change.
PBDMs
explain
biological
bases
distribution,
are
generally
applicable
species
any
taxa,
limited
terrestrial
ecosystems,
hence
can
extended
support
ecological
aquatic
ecosystems.
address
lack
unified
general
assessing
managing
becoming
more
predictive
science.
Scientific Reports,
Journal Year:
2021,
Volume and Issue:
11(1)
Published: Jan. 13, 2021
Abstract
The
tomato
pinworm
Tuta
absoluta
(Lepidoptera:
Gelechuidae)
is
native
to
South
America
and
has
now
become
the
main
pest
in
Europe,
Africa
Asia.
wide
range
of
host
plants
attacked
by
this
been
reported
as
one
reasons
for
success
important
insect
species.
However,
information
currently
available
on
biological
performance
T.
Solanaceae
obtained
from
a
limited
number
family
composed
thousands
species,
many
which
are
potential
hosts
.
Our
results
showed
that
highest
oviposition
rates
occurred
cultivated
plants,
potato
wild
tomato.
lowest
“gilo”,
“jurubeba”,
green
pepper
pepper.
survival
immature
stages
pepper,
“jurubeba”.
Female
fertility,
following
infestation
different
plant
was
insects
developed
or
were
seen
American
black
nightshade.
net
reproductive
rate
intrinsic
growth
Cluster
analysis
grouped
highly
susceptible
attack,
nightshade,
juá,
eggplant,
gilo
moderately
susceptible,
whilst
jurubeba
categorized
resistant
These
clearly
demonstrate
choice
solanaceous
species
direct
impact
fitness
parameters
well
potential,
dispersion
establishment
at
new
sites.
planning
integrated
management
strategies.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: May 27, 2022
Abstract
Tomato
cultivation
is
threatened
by
the
infestation
of
nocturnal
invasive
tomato
pinworm,
Tuta
absoluta
.
This
study
was
based
on
field
observations
that
a
wild
plant,
Solanum
lycopersicum
var.
cerasiforme
,
grown
in
Mount
Kenya
region,
Kenya,
less
attacked
T.
absoluta,
unlike
cultivated
plants
like
S.
(var.
Rambo
F1).
We
hypothesized
plant
may
be
actively
avoided
gravid
females
because
emission
repellent
allelochemical
constituents.
Therefore,
we
compared
levels
pest
monocrops
and
intercrops
two
genotypes,
characterized
headspace
volatiles,
then
determined
compounds
detectable
insect
through
gas
chromatography-linked
electroantennography
(GC-EAG),
finally
performed
bioassays
using
blend
four
EAG-active
unique
to
tomato.
found
significant
reductions
monocrop
tomato,
plant.
Quantitative
qualitative
differences
were
noted
between
volatiles
plants,
day
night
volatile
collections.
The
most
discriminating
treatments
varied
with
variable
selection
or
machine
learning
methods
used.
In
GC-EAG
recordings,
16
including
hexanal,
(
Z
)-3-hexenol,
α
-pinene,
β
-myrcene,
-phellandrene,
E
)-
-ocimene,
terpinolene,
limonene
oxide,
camphor,
citronellal,
methyl
salicylate,
-caryophyllene,
others
tentatively
identified
as
3,7,7-Trimethyl-1,3,5-cycloheptatriene,
germacrene
D
cis
-carvenone
oxide
detected
antennae
females.
Among
these
compounds,
-caryophyllene
-phellandrene
are
top
5
highlighted
methods.
A
citronellal
only
showed
dose-dependent
repellence
wind
tunnel.
provides
some
groundwork
for
exploiting
allelochemicals
development
novel
integrated
management
approaches
against