BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
143, P. 01002 - 01002
Published: Jan. 1, 2024
A
pot
experiment
using
a
randomized
block
design
was
conducted
to
test
the
effect
of
ZnO-nanoparticles
enhanced
compost
(ZnONEC)
with
different
application
methods
on
nutrient
uptake
and
grain
yield
rice
var.
Inpari
32.
The
treatment
tested
ZnO-NEC
various
concentrations
(50,
100
150
mg.kg
-1
)
direct
soil
foliar
compared
control
inorganic
fertilizer
treatments.
All
treatments
received
50%
recommended
dose
chemical
fertilizer.
results
showed
that
100-150
had
leaf
greenness
levels
(SPAD
Value)
N
were
same
as
use
significantly
increased
P,
K
Zn
50
high
per
hill
treatment.
These
an
average
percentage
empty
grains
(9.14%)
moisture
content
27.10%,
which
lower
findings
provide
new
insight
into
potential
for
technology
reduce
fertilizers.
Horticulturae,
Journal Year:
2025,
Volume and Issue:
11(4), P. 431 - 431
Published: April 17, 2025
The
control
of
bacterial
plant
diseases
is
very
challenging
and
often
relies
on
the
application
copper
compounds,
although
frequent
emergence
spread
resistant
strains
compromise
their
efficacy.
Additionally,
copper-based
compounds
raise
environmental
human
health
concerns,
leading
to
inclusion
in
European
Commission’s
list
candidates
for
substitution.
As
a
promising
sustainable
alternative,
we
investigated
efficacy
biogenic
zinc
oxide
nanoparticles
(ZnO-NPs)
protecting
tomato
plants
against
Pseudomonas
syringae
pv.
(Pst),
causal
agent
speck
disease.
ZnO-NPs
exhibited
significant
vitro
antibacterial
activity
(EC95
=
17.0
±
1.1
ppm)
pathogen.
Furthermore,
when
applied
foliage
at
100
ppm
before
or
following
Pst
inoculation,
they
induced
reductions
symptom
severity
growth
planta,
which
were
comparable
those
shown
by
treated
with
acibenzolar-S-methyl,
defense
inducer.
Gene
expression
assessed
qPCR
revealed
involvement
systemic
acquired
resistance
(SAR)
pathway
suggesting
that
observed
protection
could
be
due
priming
effect.
Finally,
infected
showed
oxidative
stress,
higher
H2O2
malondialdehyde
(MDA)
contents.
reverted
this
effect,
containing
content
above
molecules,
stimulated
production
metabolites
involved
dealing
perturbations
(carotenoids
phenols),
while
unaffecting
flavonoids
anthocyanins.
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: April 28, 2025
Precise
regulation
of
medium
and
micronutrients
is
vital
for
medicinal
plant
cultivation
quality
improvement,
yet
requirements
these
nutrients
in
Epimedium
pubescens
growth
are
unclear.
This
study
monitored
the
annual
dynamics
changes
content
seven
within
E.
leaves;
identified
key
affecting
through
nutrient
deficiency
experiments.
Variance
Partitioning
Analysis
(VPA)
was
utilized
to
quantify
stage-specific
contributions
biomass
accumulation
Icariin-Flavonoids
(I-Fla)
synthesis.
Results
revealed
significant
temporal
leaf
mineral
elements,
with
abundance
ordered
as
Ca
>
Fe
Mg
Mn
Zn
Cu
Mo.
Notably,
high
(a
micronutrient)
may
indicate
species-specific
demand.
Nutrient
experiments
confirmed
Mg,
Fe,
functioned
core
elements
governing
growth,
causing
chlorophyll
loss
reduction.
Specifically,
emerged
dominant
contributor
accumulation,
particularly
April
(62.4%)
July
(61.2%);
a
pronounced
synergistic
effect
between
Fe-Zn
observed,
showing
consistent
contribution
rate
exceeding
10%
throughout
period.
For
I-Fla,
exerted
effects
February
(44.2%),
whereas
Zn's
progressively
increased
(July:
23.3%;
next
February:
44.5%),
underscoring
its
pivotal
regulatory
role
secondary
metabolism.
The
proposed
range
fertilization
scheme:
reinforcement
(Feb-Apr,
Jul);
supplementation
(Jul);
prioritization
post-Oct.
It
elucidated
their
relationships
I-Fla
synthesis,
establishing
nutritional
basis
coordinated
yield-quality
improvement.
These
findings
provide
theoretical
framework
precision
sustainable
development
plants.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 24, 2025
Abstract
Background
and
Aims
Zinc
(Zn)
manganese
(Mn),
as
essential
micronutrients,
exhibit
competitive
antagonism
against
cadmium
(Cd)
through
cation
transporter
competition.
The
effects
of
Cd
stress
Zn
/
Mn
nutrition
on
plant
growth,
development,
physiological
characteristics,
gene
expression
in
some
crops
have
been
widely
studied,
but
the
molecular
mechanism
by
which
alleviates
toxicity
roots
cabbage
at
transcriptomic
metabolomic
levels
remains
unclear.
Methods
response
to
under
Zn,
ZnMn
treatment
were
evaluated
an
experiment
with
roots.
content
was
determined
ICP-MS.
Roots
transcriptome
sequencing
performed
Illumina
platform,
differential
genes
(DEGs)
analyzed
using
DESeq2.
Root
metabolites
via
LC-MS,
metabolite
data
processed
MetaboAnalystR
package.
Results
exhibited
strongest
inhibition
Cd,
primarily
up-regulating
involved
cell
wall
synthesis,
phenylpropanoid
biosynthesis,
secondary
production.
had
weakest
effect
inhibition,
mainly
regulating
hydrolase
activity,
tryptophan
metabolism,
lipid
metabolism
reduce
absorption
co-treatment
showed
a
lower
rate
than
it
down-regulated
numerous
disrupted
amino
acid
suggesting
that
while
reduces
may
harms
functions.
Conclusion
This
study
highlights
potential
micronutrients
resist
crops,
particularly
leafy
vegetables.
Based
reduction
safety,
we
believe
is
better
treatment,
co-treatment.
Forests,
Journal Year:
2024,
Volume and Issue:
15(5), P. 761 - 761
Published: April 26, 2024
Ginkgo
biloba
L.
is
a
valuable
medicinal
plant
known
for
its
high
content
of
flavonoids
and
terpenoids
in
the
leaves
young
trees.
Pruning
can
increase
leaf
yield
ginkgo
plantations;
however,
it
unclear
how
intensity
pruning
affects
quality.
In
addition,
G.
exhibits
low
cutting
rooting
rates,
which
limits
efficiency
asexual
propagation.
our
study,
we
compared
consecutive
with
varying
levels
intensity,
including
top
pruning,
light
heavy
to
evaluate
effects
on
rooting.
The
results
showed
that
these
three
methods
all
contributed
an
number
new
branches,
weight,
flavonoid
five-year-old
Among
them,
effect
was
best,
150%
branch
number,
130%
40.6%
content.
secondary
further
increased
area
by
22.3%,
indicating
enhanced
rejuvenation
plants
yield.
At
transcriptional
level,
significantly
change
expression
genes
related
bud
sprouting,
resulting
particularly
significant
SHR
buds.
also
promoted
important
synthesis,
chalcone
synthase
(CHS),
3′-hydroxylase
(F3′H),
flavonol
(FLS),
dihydroflavonol
reductase
(DFR).
Furthermore,
demonstrated
rate
second-pruned
cuttings
screened
optimal
hormone
ratio
rooting,
1.5
μM
MeJA
+
400
mg/L
NAA
100
Uniconazole-P.
These
suggest
effectively
rejuvenate
promote
biloba.
This
method
not
only
be
used
improve
quality
leaves,
but
Forests,
Journal Year:
2024,
Volume and Issue:
15(5), P. 759 - 759
Published: April 26, 2024
Ginkgo
biloba
L.
leaves
are
rich
in
secondary
metabolites
with
important
medicinal
values;
to
increase
their
contents,
foliar
spraying
of
micronutrients
is
a
potential
strategy.
Zinc,
multifunctional
element,
has
significant
impact
on
the
content
other
plants,
but
relevant
research
into
ginkgo
still
lacking.
In
our
study,
different
time
and
concentration
strategies
were
used
investigate
effects
zinc
sulfate
(ZnSO4)
physiological
indicators
2-year-old
ginkgo.
The
results
demonstrated
that
ZnSO4
could
contents
hydrogen
peroxide,
abscisic
acid,
free
amino
acids
leaves.
It
also
enhances
antioxidant
enzyme
activity
leaves,
decreases
plant
auxin,
ultimately
facilitates
accumulation
terpene
lactones
(TTL).
Spraying
June
resulted
more
TTL
flavonoids
compared
August.
After
12
mmol/L
June,
significantly
elevated
by
35.95%
24.30%,
respectively,
those
CK
(p
<
0.05).
ginkgolide
A,
B,
C
notably
increased
45.93%,
46.56%,
74.29%,
Therefore,
study
suggests
optimal
timing
for
recommended
mmol/L.
Our
provides
theoretical
basis
guides
production
its
leaf-utilization
plantations.
BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
143, P. 01002 - 01002
Published: Jan. 1, 2024
A
pot
experiment
using
a
randomized
block
design
was
conducted
to
test
the
effect
of
ZnO-nanoparticles
enhanced
compost
(ZnONEC)
with
different
application
methods
on
nutrient
uptake
and
grain
yield
rice
var.
Inpari
32.
The
treatment
tested
ZnO-NEC
various
concentrations
(50,
100
150
mg.kg
-1
)
direct
soil
foliar
compared
control
inorganic
fertilizer
treatments.
All
treatments
received
50%
recommended
dose
chemical
fertilizer.
results
showed
that
100-150
had
leaf
greenness
levels
(SPAD
Value)
N
were
same
as
use
significantly
increased
P,
K
Zn
50
high
per
hill
treatment.
These
an
average
percentage
empty
grains
(9.14%)
moisture
content
27.10%,
which
lower
findings
provide
new
insight
into
potential
for
technology
reduce
fertilizers.
