Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 25, 2023
Abstract
Aims
Considerable
evidence
suggests
that
more
diverse
communities
of
native
plants
strongly
resist
invasion
by
introduced
plants.
Here
we
tested
whether
biotic
plant-soil
feedbacks
can
explain
this
relationship
independently
other
factors,
via
either
soil
richness,
as
based
on
the
number
different
plant
species
interacting
with
soil;
or
heterogeneity,
degree
to
which
involving
are
spatially
separated.
No
previous
study
appears
have
both
richness
and
heterogeneity
components
might
why
less
invasible.
Methods
We
conditioned
soils
monocultures
six
grew
five
individually
in
sterilized
inoculated
one,
two,
four
soils,
keeping
separate
mixing
them.
Results
Soil
had
little
effect
final
dry
mass
any
species.
Higher
did
not
decrease
instead
increased
it
one.
Conclusion
suggest
themselves
an
important
mechanism
diversity
limits
invasibility
but
do
rule
out
possibility
such
play
a
role
combination
mechanisms
abiotic
competition.
Physiologia Plantarum,
Год журнала:
2025,
Номер
177(2)
Опубликована: Март 1, 2025
Abstract
Both
clonal
plant
capabilities
for
physiological
integration
and
common
mycorrhizal
networks
(CMNs)
formed
by
arbuscular
fungi
(AMF)
can
influence
the
distribution
of
nutrients
growth
among
interconnected
individuals.
Using
a
microcosm
model
system,
we
aimed
to
disentangle
how
CMNs
interact
with
development.
We
grew
Sphagneticola
trilobata
clones
isolated
root
systems
in
individual,
adjacent
containers
while
preventing,
disrupting,
or
allowing
aboveground
via
spacers
belowground
form.
assessed
multiple
metrics
development
(e.g.,
growth,
specific
leaf
area,
soluble
sugar
content),
15
N
transfer
from
donor
(mother)
receiver
(daughter)
plants,
variation
AMF
communities.
show
that
spacer
formation
between
ramets
capacity
form
promoted
inhibited
smaller
daughter
respectively.
In
contrast
independent
effects
spacers,
CMNs,
combination
significantly
weakened
promotion
plants
integration.
species
richness
was
also
negatively
correlated
overall
growth.
Our
results
demonstrate
two
modes
interconnection
non‐additive
ways
affect
These
findings,
based
on
,
question
underlying
assumptions
positive
both
comparison
direct
interconnections.
Ecology and Evolution,
Год журнала:
2023,
Номер
13(1)
Опубликована: Янв. 1, 2023
Plants
affect
associated
biotic
and
abiotic
edaphic
factors,
with
reciprocal
feedbacks
from
soil
characteristics
affecting
plants.
These
two-way
interactions
between
plants
soils
are
collectively
known
as
plant-soil
(PSFs).
The
role
of
phylogenetic
relatedness
evolutionary
histories
have
recently
emerged
a
potential
driver
PSFs,
although
the
strength
direction
among
sympatric
congeners
not
well-understood.
We
examined
feedback
responses
Ecological Indicators,
Год журнала:
2022,
Номер
146, С. 109766 - 109766
Опубликована: Дек. 12, 2022
Plant-soil
feedbacks
(PSFs)
may
vary
among
genotypes
within
the
same
species
and
also
be
predicted
by
plant
functional
traits.
So
far,
however,
it
is
still
unclear
whether
PSFs
can
correlated
with
traits
across
of
species.
We
conducted
a
two-phase
PSF
experiment
clonal
Hydrocotyle
vulgaris.
In
conditioning
phase,
we
planted
12
H.
vulgaris
separately
in
soil.
feedback
all
these
were
grown
again
each
conditioned
soil
that
was
trained
either
genotype
(home
soil)
or
other
11
(non-home
soil).
Most
showed
negative
PSFs,
as
indicated
significant
lower
biomass
number
ramets
home
than
non-home
However,
there
showing
neutral
neither
nor
differed
significantly
between
positive
higher
addition,
found
relationship
strength
lamina
area,
specific
petiole
length,
length
internode
but
length.
conclude
are
more
common
compared
to
PSFs.
The
results
highlight
role
predicting
genotypes.
Ecological Indicators,
Год журнала:
2022,
Номер
144, С. 109570 - 109570
Опубликована: Окт. 17, 2022
Genetic
diversity
can
have
important
ecological
consequences
on
population
dynamics
and
ecosystem
functions
processes.
While
the
direct
effect
of
genetic
performance
has
been
widely
documented,
its
soil
legacy
received
little
attention.
To
assess
both
effects
performance,
we
conducted
a
plant-soil
feedback
experiment
with
12
genotypes
clonal
plant
Hydrocotyle
vulgaris.
We
first
conditioned
soils
(conditioning
phase)
by
growing
populations
H.
vulgaris
consisting
1,
2,
4
8
in
then
tested
(test
all
sterilized
bulk
inoculated
each
at
volume
ratio
10%.
At
end
conditioning
phase,
biomass
number
ramets
decreased
increased
increasing
genotypic
diversity,
indicating
performance.
test
were
significantly
higher
when
grown
1
2
than
they
genotypes,
suggesting
effect.
Therefore,
productivity
size
These
results
highlight
importance
intraspecific
differences
suggest
that
should
also
be
considered
to
fully
understand
role
diversity.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Май 30, 2022
Genetic
diversity
plays
important
roles
in
maintaining
population
productivity.
While
the
impact
of
genotypic
richness
on
productivity
has
been
extensively
tested,
role
evenness
not
considered.
Plant
density
can
also
affect
productivity,
but
its
interaction
with
tested.
We
constructed
experimental
populations
clonal
plant
Hydrocotyle
vulgaris
either
low
or
high
(consisting
four
vs.
eight
genotypes),
(each
genotype
had
a
different
number
same
ramets),
and
16
32
ramets)
full
factorial
design.
Total
biomass
did
differ
between
four-
eight-genotype
mixtures.
When
initial
was
low,
total
significantly
greater
than
those
evenness.
However,
this
difference
disappeared
when
high.
Moreover,
increased
linearly
increasing
at
harvest,
negatively
correlated
to
variation
leaf
area.
conclude
that
benefit
alter
