Phyton,
Год журнала:
2023,
Номер
92(6), С. 1841 - 1857
Опубликована: Янв. 1, 2023
To
clarify
the
characteristics
of
photoinhibition
and
primary
defense
mechanisms
ephemeral
plant
leaves
against
photodestruction
under
high
temperature
stress,
inhibitors
technology
to
determine
chlorophyll
fluorescence
were
used
explore
protective
effects
D1
protein
turnover
lutein
cycle
in
stress
three
plants.
The
results
showed
that
maximum
light
conversion
efficiency
(Fv/Fm)
decreased,
initial
(Fo)
increased
35°C
±
1°C
heat
for
1–4
h
or
on
sunny
days
summer.
Both
Fv/Fm
Fo
could
be
recovered
after
8
darkness
afternoon
weakening
external
temperature.
Streptomycin
sulfate
(SM)
dithiothreitol
(DTT)
accelerated
decrease
photochemical
quenching
coefficient
(qP)
plants
at
temperature,
was
greater
SM
than
DTT
treatment.
When
prolonged,
Y(II)
values
energy
distribution
parameters
PSII
Y(NPQ)
Y(NO)
gradually
all
treatment
groups
had
their
own
highly
advanced
protect
photodamage,
which
inhibited
xanthophyll
cycle.
This
can
damage
reaction
center
effect
Erodium
oxyrrhynchumSenecio
subdentatus
cycle,
while
Heliotropium
acutiflorum
subjected
damage.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Фев. 29, 2024
Plant
health
states
may
influence
the
distribution
of
rhizosphere
microorganisms,
which
regulate
plant
growth
and
development.
In
this
study,
response
bacteria
fungi
healthy
diseased
plants
compared
to
bulk
microbes
was
analyzed
using
high-throughput
sequencing.
adaptation
strategies
under
potato
virus
Y
(PVY)
infection
have
been
studied
from
a
microbial
perspective.
The
diversity
community
structure
varied
between
soils,
but
not
soils.
A
LEfSe
analysis
revealed
significant
differences
different
treatments
on
bacterial
fungal
compositions
identified
Roseiflexaceae,
Sphingomonas
,
Sphingobium
as
biomarkers
(BCK),
(BHS),
(BIS)
respectively;
Rhodotorula
Ascomycota_unidentified_1_1
were
(FCK)
(FHS)
Bacterial
networks
found
be
more
complex
compact
than
roles
network
keystone
taxa.
PVY
further
increased
connectedness
among
taxa
improve
stability
resistance
environmental
stress.
Additionally,
water
content
(WC)
played
an
apparent
diversity,
pH
showed
effects
diversity.
WC
greatly
affected
communities,
whereas
communities
significantly
by
soil
nutrients,
especially
for
.
Overall,
enrichment
processes
changing
identifying
biomarkers.
These
findings
provide
insight
into
assemblage
physicochemical
properties,
contributes
deeper
understanding
establishment
artificial
core
root
microbiota
facilitate
bolstering
mechanisms.
This
knowledge
microbiota,
thereby
facilitating
Abstract
Background
The
ephemeral
flora
of
northern
Xinjiang,
China,
plays
an
important
role
in
the
desert
ecosystems.
However,
evolutionary
history
this
remains
unclear.
To
gain
new
insights
into
its
origin
and
dynamics,
we
comprehensively
sampled
plants
Brassicaceae,
one
essential
plant
groups
flora.
Results
We
reconstructed
a
phylogenetic
tree
using
plastid
genomes
estimated
their
divergence
times.
Our
results
indicate
that
species
began
to
colonize
arid
areas
north
Xinjiang
during
Early
Miocene
there
was
greater
dispersal
from
surrounding
community
Middle
Late
Miocene,
contrast
or
Pliocene
periods.
Conclusions
findings,
together
with
previous
studies,
suggest
originated
assembly
became
rapid
onwards,
possibly
attributable
global
climate
changes
regional
geological
events.
Agriculture,
Год журнала:
2024,
Номер
14(9), С. 1482 - 1482
Опубликована: Сен. 1, 2024
Objectives:
The
substitution
of
chemical
fertilizers
with
organic
alternatives
presents
a
viable
strategy
for
enhancing
soil
quality
and
boosting
agricultural
productivity.
However,
the
question
remains
whether
organic–inorganic
compound
(COIFs)
can
sustain
improved
crop
yields
while
reducing
fertilizer
use.
underlying
mechanisms
COIF’s
impact
still
warrant
further
exploration.
Methods:
In
this
study,
long-term
fertilization
trial
was
conducted
from
2020
to
2023
at
two
sites
different
textures
types
in
Huang-Huai-Hai
Plain,
China.
experiment
involved
three
treatments,
each
replicated
times:
(1)
LCF
(conventional
treatment);
(2)
COIF1
(COIF
applied
90%
recommended
rate);
(3)
COIF2
80%
rate).
objective
assess
effects
COIF
on
summer
maize
growth,
grain
yield,
nutrient
uptake
utilization,
quality.
Results:
Compared
LCF,
Yantai
Dezhou
increased
biomass
by
6.4%
8.1%,
yield
5.9%
4.12%,
PFP
(N,
P,
K)
17.6%
15.7%,
563.6%
462.5%,
respectively.
No
significant
differences
were
observed
between
yet
enhanced
19.7%
18.6%,
109.1%
175.0%,
conclusion,
matter
(SOM),
available
nutrients,
pH,
other
indices.
It
promoted
utilization.
practical
effective
measure
reduce
use,
enhance
field
quality,
ultimately
increase
Land,
Год журнала:
2023,
Номер
12(12), С. 2127 - 2127
Опубликована: Дек. 1, 2023
Remote
sensing
(RS)
data
and
geographic
information
system
(GIS)
techniques
were
used
to
monitor
the
changes
in
Oasis
agroecosystem
of
pre-Saharan
province
Errachidia,
southeastern
Morocco.
The
land
use
cover
(LULC)
change
this
was
processed
using
Landsat
time
series
with
5-year
intervals
last
thirty
years.
normalized
difference
vegetation
index
(NDVI)
maximum
likelihood
classification
(MLC)
categorized
into
five
classes,
including
water
bodies,
cultivated
land,
bare
built-up,
desertified
land.
overall
accuracy
MLC
maps
estimated
be
higher
than
90%.
finding
showed
a
degradation
trend
represented
by
an
increase
lands,
which
tripled
ten
years,
passing
from
20.62%
2011
58.49%
2022.
findings
also
depicted
decreasing
area
period
174.2
km2
1991
82.2
Using
NDWI,
images
2021
strong
association
between
reserve
Hassan
Eddakhil
dam
upstream
LULC
changes.
oases
(upstream)
Er-Rissani
(downstream)
recorded
high
rates
decline
increasing
desertification
due
drought
overuse
mainly
groundwater.
outputs
research
effort
constitute
significant
source
that
may
support
further
decision-makers
manage
arid
ecosystems
achieve
sustainable
development
goals
(SDGs),
precisely
SDGs
15
(Life
on
land).
