Ecology,
Journal Year:
2020,
Volume and Issue:
101(11)
Published: Aug. 3, 2020
Abstract
Phytochemical
diversity
is
comprised
of
two
main
dimensions—the
average
(alpha)
within‐plant
neighbors
or
the
difference
(beta)
in
composition
chemicals
between
plant
neighbors.
Research,
however,
has
primarily
examined
consequences
phytochemical
on
herbivore
performance
through
a
single
dimension,
even
though
multidimensional.
Furthermore,
ecological
role
not
well
understood
because
each
these
dimensions
exhibits
unique
biological
effects
performance.
Therefore,
it
been
difficult
to
tease
apart
relative
importance
alpha
and
beta
chemical
diversities
plant–herbivore
interactions.
We
experimentally
manipulated
along
gradient
disentangle
mobile
generalist
herbivore,
Trichoplusia
ni
(Hübner),
using
16
genotypes
from
Solanum
pennellii
introgression
lines.
First,
we
found
contrasting
Second,
when
comparing
across
within
classes,
was
reduced
had
greater
classes
that
are
biologically
inhibiting
at
higher
quantities
(i.e.,
quantitative
defenses
such
as
phenolics
acyl
sugars).
However,
enhanced
levels
toxic
qualitative
alkaloids).
Finally,
herbivores
performed
better
dicultures
compared
monocultures,
positively
associated
with
only
there
were
high
Our
results
suggest
T.
caterpillars
do
chemically
different
differences
provide
options
for
them
choose
switch
plants
balance
uptake.
Overall,
interact
large
multiple
scales,
our
indicate
all
equal:
specific
have
dynamics
Plants,
Journal Year:
2025,
Volume and Issue:
14(3), P. 474 - 474
Published: Feb. 5, 2025
Phytochemical
diversity
is
increasingly
appreciated
as
an
important
attribute
of
plants
that
affects
their
interactions
with
other
organisms
and
can
have
substantial
effects
on
arthropod
communities,
but
this
axis
less
studied
for
agricultural
plants.
For
both
managed
natural
systems,
understanding
how
extreme
weather
events,
such
droughts,
floods,
wind,
affect
phytochemical
part
predicting
responses
plant–arthropod
to
climate
change.
In
outdoor
field
experiment
two
distinct
varieties
hemp
(Cannabis
sativa
L.,
Cannabaceae),
we
investigated
the
simulated
water
stress
from
reduced
availability
flooding,
along
unplanned
wind
event
cannabinoid
profiles.
We
also
examined
changes
in
chemistry
affected
associated
arthropods.
Our
results
indicate
genetic
variety
environmental
variation
composition,
these
cascaded
alter
communities
flowers.
The
largest
differences
were
found
between
different
varieties,
which
accounted
over
10%
diversity.
Stress
floods
flowers,
had
negative
cannabidiol
(CBD)
concentrations,
deficit
flooding
caused
subtle
shifts
composition.
subsequent
cascading
depended
it
was
characterized,
increases
CBD
causing
higher
richness,
while
increased
These
provide
insights
into
potential
chemistry,
well
consequences
colonizing
Ecology,
Journal Year:
2020,
Volume and Issue:
101(11)
Published: Aug. 3, 2020
Abstract
Phytochemical
diversity
is
comprised
of
two
main
dimensions—the
average
(alpha)
within‐plant
neighbors
or
the
difference
(beta)
in
composition
chemicals
between
plant
neighbors.
Research,
however,
has
primarily
examined
consequences
phytochemical
on
herbivore
performance
through
a
single
dimension,
even
though
multidimensional.
Furthermore,
ecological
role
not
well
understood
because
each
these
dimensions
exhibits
unique
biological
effects
performance.
Therefore,
it
been
difficult
to
tease
apart
relative
importance
alpha
and
beta
chemical
diversities
plant–herbivore
interactions.
We
experimentally
manipulated
along
gradient
disentangle
mobile
generalist
herbivore,
Trichoplusia
ni
(Hübner),
using
16
genotypes
from
Solanum
pennellii
introgression
lines.
First,
we
found
contrasting
Second,
when
comparing
across
within
classes,
was
reduced
had
greater
classes
that
are
biologically
inhibiting
at
higher
quantities
(i.e.,
quantitative
defenses
such
as
phenolics
acyl
sugars).
However,
enhanced
levels
toxic
qualitative
alkaloids).
Finally,
herbivores
performed
better
dicultures
compared
monocultures,
positively
associated
with
only
there
were
high
Our
results
suggest
T.
caterpillars
do
chemically
different
differences
provide
options
for
them
choose
switch
plants
balance
uptake.
Overall,
interact
large
multiple
scales,
our
indicate
all
equal:
specific
have
dynamics