Stigma
exsertion
rate
(SER)
is
a
crucial
trait
that
influences
the
seed
production
of
hybrid
rice
by
determining
outcrossing
ability
male
sterile
lines
(MSLs).
However,
molecular
genetic
mechanisms
underlying
SER
are
still
poorly
understood.
In
this
study,
we
identified
14
quantitative
loci
(QTLs)
using
recombinant
inbred
line
(RIL)
population
derived
from
B805D-MR-16-8-3
(B805D)
and
Hua6S.
Two
major
QTLs,
qSE1
qSE9,
were
validated
for
their
effects
in
residual
heterozygous
(RHL)
background.
The
RHL
carrying
homozygous
region
Hua6S
increased
dual
stigma
(DSE)
14.67%
15.04%,
total
(TSE)
11.73%
13.04%,
F
Medicinal Plant Biology,
Journal Year:
2024,
Volume and Issue:
3(1), P. 0 - 0
Published: Jan. 1, 2024
Medicinal
plants
contain
numerous
bioactive
secondary
metabolites
(SMs)
that
can
be
used
for
the
treatment
and
prevention
of
diseases.
SM
concentration
is
a
crucial
standard
evaluating
quality
medicinal
plants.
accumulation
affected
by
multiple
factors,
including
genetic
background,
climate,
soil
physical
chemical
properties,
environmental
changes.
In
recent
years,
increasing
studies
have
indicated
rhizospheric
endophytic
microorganisms,
play
an
essential
role
in
regulating
SMs
While
some
microorganisms
establish
symbiotic
relationships
with
to
promote
plant
growth.
Other
directly
synthesize
or
biosynthesis
through
strategies,
such
as
activating
immune
signaling
pathways
secreting
hormones
into
host
cells
manipulate
hormone-mediated
pathways.
contrast,
may
improve
resistance
stresses,
thereby
affecting
composition
microorganisms.
this
review,
we
summarized
progress
understanding
Further
should
focus
on
application
utilizing
enhance
Agronomy,
Journal Year:
2025,
Volume and Issue:
15(4), P. 895 - 895
Published: April 3, 2025
In
global
drought-prone
cotton-growing
(Gossypium
hirsutum
L.)
areas,
saline
water
irrigation
has
become
a
key
strategy
to
alleviate
the
shortage
of
freshwater
resources.
Against
this
backdrop,
synergistic
effect
mineralization
degree
(MD)
and
sodium
adsorption
ratio
(SAR)
on
rhizosphere
microecological
regulation
mechanism
remains
unclear.
To
address
issue,
study
constructed
an
experimental
framework
interaction
between
MD
SAR,
aiming
explore
their
effects
bacterial
community
structure
in
cotton
soil
environment.
The
type
area
is
saline–sodic
sandy
loam.
design,
three
levels
(3
g/L,
5
7
g/L)
were
set,
under
each
condition,
SAR
(10
(mmol/L)1/2,
15
20
(mmol/L)1/2)
arranged.
addition,
local
was
used
as
control
group
(CG),
resulting
total
10
treatment
schemes.
aim
investigate
varying
communities
results
indicated
that
could
enhance
diversity
richness
alter
its
structure.
Under
with
3
g/L
reached
peak
levels.
Compared
CG,
Chao1
index
significantly
increased
by
260
units,
while
Shannon
0.464.
When
does
not
exceed
reducing
can
network
stability
community,
thereby
synergistically
promoting
accumulation
nutrients.
environmental
factors
driving
changes
mainly
include
moisture
content,
nitrogen,
nitrate
organic
carbon.
concentrations
available
phosphorus,
potassium
19.66%,
26.10%,
89.41%,
49.76%
respectively
(p
<
0.05).
This
provides
theoretical
basis
for
sustainable
microbial
strategies
saline–alkali
fields
at
level,
offers
new
perspective
revealing
mutual
feedback
assembly
environment
conditions.
From
practical
perspective,
research
valuable
hands-on
experience
optimizing
agricultural
ecological
management
loam
soils,
contributing
development
agriculture
such
lands.
