The genetic diversity and population structure of Kudouzi (Sophora alopecuroides) population were revealed by using SNP markers combined with seed phenotypic traits
Cunkai luo,
Fuyu Ma,
Panxin Niu
и другие.
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Abstract
Background:
Sophora
alopecuroides
L.
is
a
perennial
herb
of
Leguminosae.
It
mainly
distributed
in
northwest
China
and
has
important
medicinal,
feeding
ecological
restoration
values.
However,
recent
years,
due
to
the
intensification
human
activities,
its
wild
population
resources
have
plummeted
genetic
diversity
continued
decline.
In
order
fully
reveal
structure
characteristics
S.
natural
distribution
area.
this
study,
Single
nucleotide
polymorphism
(SNP)
molecular
markers
combined
with
seed
phenotypic
traits
were
used
systematically
study
65
samples
China.
Results:
The
results
showed
that
coefficient
variation
(CV)
8
seeds
ranged
from
2.87
%
7.94
%,
index
(H)
1.639
1.767.
There
was
significant
correlation
between
(P
<
0.01),
indicating
rich.
Cluster
analysis
based
on
divided
into
two
groups.
At
same
time,
SNP
markers,
relatively
low.
The
average
values
expected
heterozygosity
(He),
observed
(Ho)
single
(Pi)
0.22,
0.17
0.19,
respectively.
variance
(AMOVA)
level
individuals
(132.83%)
higher
than
populations
within
populations.
Pairwise
differentiation
(Fst)
0.00
0.04,
which
confirmed
there
no
obvious
among
Population
analysis,
principal
component
(PCA)
phylogenetic
tree
roughly
all
clusters,
consistent
clustering
results.
worth
noting
patterns
Southern
Tianshan
Mountains
(TSNL)
Altai
(ARTS)
are
more
complex.
addition,
redundancy
(RDA)
cumulative
interpretation
rates
environmental
factors
99.75
67.89
Among
them,
mean
temperature
driest
quarter
(MTD)
annual
wind
speed
(YWS)
identified
as
primary
influencing
traits,
while
precipitation
coldest
(PC),
isothermality
(ISO),
wettest
(PWE)
an
impact
diversity.
Conclusions:
This
provides
foundation
for
evaluation
conservation
offers
insights
breeding
programs.
Язык: Английский
Effect of Inoculation with Rhizosphere Phosphate-Solubilizing Bacteria on the Growth and Physiological Characteristics of Parashorea chinensis
Forests,
Год журнала:
2024,
Номер
15(11), С. 1932 - 1932
Опубликована: Ноя. 1, 2024
Given
the
challenges
of
slow
growth
and
low
survival
rates
in
early
stages
Parashorea
chinensis
cultivation,
identifying
sustainable
methods
to
enhance
seedling
performance
is
critical
for
successful
reforestation
conservation
efforts.
This
study
aimed
address
these
by
investigating
growth-promoting
effects
phosphate-solubilizing
bacteria
(PSB).
One-year-old
seedlings
P.
chinesis
were
inoculated
with
PSB
strains
isolated
from
rhizosphere
soil
H.
Wang
plantations
Y3,
W5,
H8,
a
mixed
strain
(Mix),
as
control
(CK).
The
inoculation
on
growth,
photosynthetic
physiology,
plant
nutrient
status,
physiological
indicators
comprehensively
evaluated.
Results
showed
that
increased
height
basal
diameter
chinensis,
an
increase
1.56
cm
0.53
mm
compared
CK,
respectively,
though
differences
not
significant.
Mix
treatment
significantly
improved
photosynthesis,
increases
net
rate
(106.3%),
transpiration
(93.89%),
intercellular
CO2
concentration
(75.51%)
CK.
Nutrient
levels
including
total
nitrogen,
phosphorus,
potassium
15.98%,
25.54%,
32.12%,
treatments
Moreover,
stress
resistance
also
improved,
higher
proline
content,
soluble
sugar,
protein
levels.
Antioxidant
enzyme
activities
(SOD,
CAT,
POD)
9.83%,
23.66%,
292.32%,
while
MDA
content
was
reduced
69.01%.
acid
phosphatase
activity
111.88%.
In
conclusion,
inoculation,
particularly
strain,
promoted
uptake
efficiency
seedlings,
offering
promising
biotechnological
solution
improving
performance.
Язык: Английский