Molecules,
Год журнала:
2024,
Номер
29(22), С. 5333 - 5333
Опубликована: Ноя. 13, 2024
To
investigate
the
soil-specific
metabolites
of
Codonopsis
pilosula
under
different
stubble
management
practices,
this
study
analyzed
differentially
abundant
in
rhizosphere
soils
rotational
(DS)
and
continuous
(LS)
cropping
systems
via
liquid
chromatography–tandem
mass
spectrometry
(LC–MS/MS)-based
metabolomic
approaches.
The
results
revealed
that
66
metabolites,
including
amino
acids
their
derivatives,
nucleic
acids,
alcohols,
organic
amines,
fatty
purines,
sugars,
were
significantly
(p
<
0.05)
between
DS
LS
groups.
Under
cropping,
levels
sugars
soil
greater
than
those
whereas
purines
pyrimidines
lower
0.05).
KEGG
pathway
enrichment
analysis
these
enriched
metabolic
pathways
such
as
acid
metabolism
(e.g.,
alanine,
aspartate,
glutamate
metabolism),
carbon
metabolism,
cAMP
signaling
pathway,
ABC
transporter
proteins,
phenylalanine
biosynthesis
plant
secondary
metabolites.
These
involved
osmoregulation,
energy
supply,
resilience
plants.
In
conclusion,
inter-root
able
to
influence
physicochemical
properties
microbial
populations
by
participating
various
biological
processes.
Agronomy,
Год журнала:
2025,
Номер
15(2), С. 399 - 399
Опубликована: Фев. 2, 2025
Soil
organic
carbon
(SOC)
is
a
key
indicator
of
soil
quality
and
an
important
component
the
global
cycle.
Enhancing
SOC
through
crop
rotation
promising
strategy;
yet,
underlying
mechanisms
for
accumulation
remain
unclear.
This
study
aimed
to
evaluate
effects
different
pasture
age,
species,
irrigation,
nitrogen
(N)
fertilization
treatments
on
content
storage
in
pastureland,
analyzing
below-ground
biomass
(BGB)
data
layers
(0–10
cm,
10–20
20–40
40–60
cm)
each
treatment
under
three
factors
(pasture
species
(Bromus
inermis,
Medicago
varia,
1:1
mixture),
irrigation
(CK,
dry-season
supplementation),
N
(0
kg
hm−2
y−1,
75
150
y−1)),
as
well
interaction
these
factors.
Pasture
water
addition
levels,
age
all
had
significant
(p
<
0.05)
BGB.
At
1–3,
monocultured
Bromus
inermis
was
slightly
higher
than
varia
mixture,
at
4–5,
mixture
were
inermis.
Among
them,
highest.
2–5,
BGB
pastureland
significantly
influenced
by
addition,
age.
Over
5-year
period,
SOCs
surface
layer
fallowed
cropland
accumulated
32.35
Mg
ha−1,
showing
very
good
sequestration
effect;
especially
planting
mixed
more
positive
effect
SOC.
Therefore,
low
medium
yielding
fields
China,
according
utilization
target
production
cycle,
purpose
improving
can
be
effectively
achieved
grass
rotation.
Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 19, 2024
Introduction
Codonopsis
pilosula
is
widely
sought-after
in
China
as
a
substitute
for
the
more
expensive
ginseng.
Continuous
cropping
of
C.
supports
vibrant
health-supplement
industry
but
requires
significant
inputs
fertilizers
which
increase
production
costs
and
degrade
environment.
Methods
Here,
three
environmentally-friendly
natural
fertilizers,
including
biochar,
bacterial
fertilizer,
vermicompost,
were
used
at
different
concentrations
(undiluted,
diluted
10
times,
50
times)
to
determine
their
efficacy
seed
germination
growth
physiology
continuous
cropping.
Results
The
results
showed
that
vermicompost
with
leachate
could
all
rate,
potential
index
seeds
treated
inter-root
soil
;
activity
antioxidant
enzymes
(superoxide
dismutase
peroxidase)
seedlings
under
stress
,
reduce
over-accumulation
malondialdehyde
(MDA)
content,
resistance
seedlings.
After
transplanting,
superoxide
(SOD)
increased
by
an
average
16.1%.
Peroxidase
(POD)
levels
16.4%.
Additionally,
there
was
reduction
MDA
decrease
50%,
content
osmotic-regulating
substances
(free
proline
soluble
protein
content)
exhibited
increase.
Discussion
In
conclusion,
manure,
have
overcome
challenges
extensive
fertilizer
use
.
Life,
Год журнала:
2025,
Номер
15(3), С. 404 - 404
Опубликована: Март 4, 2025
Continuous
cropping
obstacles
pose
significant
constraints
and
urgent
challenges
in
the
production
of
Tussilago
farfara
L.
This
experiment
investigated
effects
consecutive
on
T.
over
periods
1,
2,
3
years.
It
assessed
yield
quality
flower
buds,
addition
to
physicochemical
properties
rhizosphere
soil.
The
microbial
community
was
analyzed
through
16S
rDNA
ITS
sequencing
using
Illumina
Novaseq
high-throughput
technology,
while
also
examining
correlations
among
these
factors.
results
reveal
that
as
duration
continuous
increases,
along
with
contents
extract,
tussilagone,
total
flavonoids,
steadily
decreased;
soil
pH,
organic
matter,
available
phosphorus,
potassium,
alkaline
nitrogen,
activities
sucrose,
catalase,
phosphatase
markedly
decreased.
As
quantity
diversity
bacteria
initially
increase
then
decrease,
number
fungal
species
increases
by
22.5%.
Meanwhile,
contributes
a
gradual
reduction
relative
abundance
beneficial
genera
such
Ralstonia,
Nitrospira,
Trichoderma
soil,
harmful
Mortierella,
Fusarium,
Tricharina
accumulate
significantly.
Correlation
analysis
shows
changes
communities
notably
influence
growth
quality.
study
elucidates
impacts
properties,
rhizosphere,
providing
scientific
basis
for
further
research
barriers
selection
farfara.
Plants,
Год журнала:
2024,
Номер
13(18), С. 2589 - 2589
Опубликована: Сен. 16, 2024
The
growth
and
biological
decline
of
alfalfa
may
be
linked
to
the
rhizosphere
microbiome.
However,
plant–microbe
interactions
in
associated
microbial
community
variations
with
stand
age
remain
elusive.
This
study
explored
successional
pattern
communities
across
different
aged
stands
its
relationship
decline.
Rhizosphere
soils
were
collected
from
2-
6-year-old
stands.
Control
interspaces
between
plants
same
Soil
bacterial
fungal
characterized
by
16S
ITS
rRNA
gene
sequencing,
respectively.
Specific
taxa
colonized
soils,
but
not
control
soils.
rhizosphere-specific
mainly
included
potentially
beneficial
genera
(e.g.,
Dechloromonas,
Verrucomicrobium)
young
harmful
Peziza,
Campylocarpon)
old
stand.
Alfalfa
roots
regulated
soil
selective
promotion
or
inhibition
distinct
taxa.
majority
time-enriched
reported
as
fungi,
whose
relative
abundances
negatively
correlated
plant
traits.
Time-depleted
mostly
known
bacteria,
which
had
positively
functional
genes
vancomycin
biosynthesis,
zeatin
amino
acid
metabolism
trended
lower
An
upward
trend
was
observed
for
pathogens
wood
saprotrophs
increasing
age.
results
suggest
that
root
activity
drives
negative
succession
during
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(5)
Опубликована: Сен. 1, 2024
Abstract
The
yield
of
Tartary
buckwheat
is
significantly
affected
by
continuous
cropping.
Melatonin
plays
a
crucial
role
in
plant
defense
mechanisms
against
abiotic
stresses.
However,
the
relationship
between
melatonin
and
cropping
tolerance
remains
unclear.
This
study
aimed
to
analyze
physiological
mechanism
enhancing
(abiotic
stress)
buckwheat.
A
field
experiment
was
conducted
on
cultivar
Jinqiao
2
under
with
five
application
rates,
0
(Control),
10,
50,
100,
200
μmol
L
−1
,
applied
during
early
budding
stage.
chlorophyll
content,
antioxidant
enzyme
activity,
osmolyte
auxin
(IAA)
contents,
root
rhizosphere
soil
nutrient
agronomic
traits
initially
increased
then
decreased
an
increase
concentration
exogenous
application,
best
effects
observed
at
100
.
Compared
Control
treatment,
treatment
contents
malondialdehyde,
superoxide
anion
free
radical,
abscisic
acid
(ABA)
average
28.79%,
27.08%,
31.64%,
respectively.
Exogenous
Plants
treated
μM
respectively
had
1.88,
2.01,
2.20,
1.78
times
higher
than
those
treatment.
In
summary,
particularly
enhanced
increasing
capacity
osmotica
coordinating
endogenous
ABA
IAA
content
levels,
delaying
senescence,
ultimately
yield.
