IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1433(1), С. 012009 - 012009
Опубликована: Дек. 1, 2024
Abstract
Rubroshorea
curtisii
(Meranti
Seraya)
is
a
species
in
the
Dipterocarpaceae
family
that
of
ecological
and
economic
signi8icance.
The
distribution
these
Indonesia
has
been
reported
only
Sumatra,
Singkep,
Lingga,
it
currently
found
Batam
Island,
Riau
Archipelago,
Indonesia.
pressure
development
on
caused
forest
to
be
fragmented
into
smaller
parts
signi8icantly
reduced
natural
habitat
.
objective
this
research
was
assess
synecology
determine
whether
landscape
an
important
biodiversity
patch
for
by
analyzing
its
structure,
composition,
abundance
Sei
Harapan
Bukit
Tiban
forests.
study
used
vegetation
analysis
approach
employing
purposive
sampling
12
circular
plots
each
site
where
grew
naturally.
In
Fragmented
Forest,
Important
Value
Index
138.01%
(tree),
46.48%
(pole),
23.38%
(sapling),
27.12%
(seedling),
while
121.79%
26.67%
30.31%
(seedling).
At
pole
stage,
Calophyllum
inophylloide
had
highest
(22.62%).
Regarding
diversity
index,
all
growth
stages
were
considered
high
medium,
with
3,12
3.37
2.91
2,09
(tree)
forest,
3.45
3,44
2.33
(tree).
evenness
index
categorized
as
high,
0.94
0.93
0.72
also
0.91
richness
classi8ied
6.62
8.06
5.78
but
at
tree
level,
medium
value
4.10.
area,
life
are
having
level
richness,
6.42
9.26
8.67
5.37
revealed
highly
industrialized
island
serves
pocket
preserves
valuable
tropical
biodiversity.
Plants,
Год журнала:
2024,
Номер
13(19), С. 2774 - 2774
Опубликована: Окт. 3, 2024
Light
is
crucial
for
higher
plants,
driving
photosynthesis
and
serving
as
a
powerful
sensory
signal
that
profoundly
modulates
growth,
development,
physiological
functions,
hormone
activation,
biochemical
pathways.
Various
light
parameters—quality,
intensity,
composition,
photoperiod—exert
tremendous
influence
on
plant
growth
particularly
in
industrial
hemp
(Cannabis
sativa
L.).
C.
sativa,
crop
of
historical
significance
unparalleled
versatility,
holds
immense
value
the
food,
fiber,
medicinal
industries.
The
cultivation
cannabis
burgeoning
controlled
environments
due
to
evolving
healthcare
regulations.
Optimal
conditions
significantly
enhance
both
yield
harvest
quality,
notably
increasing
density
apical
inflorescences
ratio
inflorescence
total
aboveground
biomass.
metabolites,
especially
phenolic
terpene
compounds
Phytocannabinoids
like
CBD
(cannabidiol),
THC
(tetrahydrocannabinol),
CBG
(cannabigerol),
possess
value.
Secondary
metabolites
predominantly
accumulate
trichomes
female
flowers
surrounding
sugar
leaves,
underscoring
critical
need
boost
weight
metabolite
concentrations
while
ensuring
product
consistency.
Different
parameters
distinctly
impact
sativa’s
metabolic
profile,
providing
robust
foundation
understanding
optimal
synthesizing
specific
secondary
metabolites.
While
effects
measurement
various
crops
are
well-established,
scientific
evidence
specifically
relating
quality
morphology
accumulation
remains
scarce.
In
this
review,
we
critically
summarized
how
different
properties
can
alter
(vegetative
reproductive),
physiology
metabolism.
Furthermore,
mechanisms
by
which
wavelengths
biosynthesis
not
fully
elucidated,
could
be
prospective
task
future
researchers.
Our
review
paves
way
profound
light’s
advancements
greenhouse
settings
maximize
production
commercial
use.
It
is
well-established
that
plants
are
sessile
and
photoautotrophic
organisms
rely
on
light
throughout
their
entire
life
cycle.
Light
quality
(spectral
composition)
especially
important
as
it
provides
energy
for
photosynthesis
influences
signaling
pathways
regulate
plant
devel-opment
in
the
complex
process
of
photomorphogenesis.
During
past
years,
significant
progress
has
been
made
physiological
biochemical
effects
crops.
However,
understanding
how
modulates
growth
development
remains
a
challenge.
In
this
review,
we
provide
an
overview
role
regulating
early
plants,
encompassing
processes
such
seed
germination,
seedling
de-etiolation,
establishment.
These
insights
can
be
harnessed
to
improve
production
planning
crop
by
producing
high-quality
seedlings
factories
improving
theoretical
framework
modern
agriculture.
Plants,
Год журнала:
2023,
Номер
12(18), С. 3234 - 3234
Опубликована: Сен. 12, 2023
Light
is
a
crucial
environmental
signal
and
form
of
photosynthetic
energy
for
plant
growth,
development,
nutrient
formation.
To
explore
the
effects
light
quality
on
growth
nutritional
qualities
greenhouse-grown
lettuce
(Lactuca
sativa
L.),
was
cultivated
under
supplementary
white
(W)
light-emitting
diodes
(LEDs);
plus
ultraviolet
A
LEDs
(W+UV);
far-red
(W+FR);
combination
white,
far-red,
UV-A
(W+FR+UV)
25
days,
with
grown
natural
sunlight
used
as
control.
The
results
indicate
that
leaf
length
width
values
W+FR+UV
treatment
were
significantly
higher
than
those
other
treatments.
highest
shoot
fresh
weight,
dry
root
weight
recorded
W+FR
(4.0,
6.0,
8.0,
12.4
times
control
treatment,
respectively).
Lettuce
exhibited
total
chlorophyll
content
(39.1%,
24.6%,
16.2%
W,
W+UV,
treatments,
carotenoid
among
all
However,
activity
treatment.
Soluble
sugar
content,
cellulose
starch
in
responded
differently
to
treatments
W+UV
In
summary,
promoted
accumulation
lettuce.
Specifically,
UV
increased
some
specific
compounds
Our
findings
provide
valuable
references
application
light-supplementation
strategies
greenhouse
production.
Horticulturae,
Год журнала:
2024,
Номер
10(1), С. 76 - 76
Опубликована: Янв. 12, 2024
Alfalfa
sprouts
are
popular
as
a
gourmet
vegetable
that
contains
variety
of
antioxidants
with
anti-cancer
and
anti-coronary
heart
disease
properties.
In
this
study,
under
photosynthetic
photon
flux
density
(PPFD)
30
mol·L−1
photoperiod
12
h
for
3
days,
temperature
25
±
2
°C,
we
investigated
the
effects
different
light
qualities
on
growth,
nutritional
quality
antioxidant
activity
alfalfa
by
modulating
LEDs
red
blue
ratios,
searched
suitable
light-quality
conditions
sprout
growth.
The
experimental
results
showed
dark
treatment
favored
growth
hypocotyls
increase
soluble
sugar
content;
fresh
weight
was
largest
white
treatments;
nitrate
content
lowest
in
red-to-blue
ratio
2:2
(2R2B);
proteins
total
phenolic
were
highest
1:3
(1R3B);
treatment.
Sensors,
Год журнала:
2024,
Номер
24(5), С. 1611 - 1611
Опубликована: Март 1, 2024
The
safeguarding
of
plant
health
is
vital
for
optimizing
crop
growth
practices,
especially
in
the
face
biggest
challenges
our
generation,
namely
environmental
crisis
and
dramatic
changes
climate.
Among
many
innovative
tools
developed
to
address
these
issues,
wearable
sensors
have
recently
been
proposed
monitoring
microclimates
a
sustainable
manner.
These
systems
are
composed
flexible
matrices
with
embedded
sensing
elements,
showing
promise
revolutionizing
without
being
intrusive.
Despite
their
potential
benefits,
concerns
arise
regarding
effects
long-term
coexistence
devices
surface.
Surprisingly,
systematic
analysis
influence
on
physiology
lacking.
This
study
aims
investigate
effect
color
geometric
features
two
key
physiological
functions:
photosynthesis
transpiration.
Our
findings
indicate
that
negative
associated
colored
substrates,
as
identified
recent
research,
can
be
minimized
by
holing
matrix
surface
percentage
voids
15.7%.
approach
mitigates
interference
light
absorption
reduces
water
loss
negligible
extent,
making
work
one
first
pioneering
efforts
understanding
intricate
relationship
between
wearables'
health.
Plants,
Год журнала:
2024,
Номер
13(13), С. 1772 - 1772
Опубликована: Июнь 27, 2024
Coffee
(Coffea
arabica)
cultivation
is
vital
to
the
global
economic,
social
and
cultural
life
of
farmers.
However,
senescent
disease-susceptible
plantations
affect
coffee
productivity.
Therefore,
it
crucial
improve
biotechnological
strategies
such
as
micropropagation
increase
number
plants
for
replanting.
In
this
study,
dark
condition
(T1)
different
light
qualities
(T0-white
400–700
nm;
T2-red
660
nm
T3-blue
460
nm)
were
evaluated
optimize
in
vitro
propagation
4
9
month-old
seeds.
The
results
showed
that
red
had
highest
percentage,
an
outstanding
germination
rate
index,
which
may
suggest
case
seeds
could
be
involved
phytochromes
promote
a
quality.
summary,
ideal
conditions
are
under
white
condition.
Cells,
Год журнала:
2024,
Номер
13(2), С. 194 - 194
Опубликована: Янв. 19, 2024
The
influence
of
short-term
additional
white
(WL),
red
(RL)
and
far-red
(FRL)
light
combined
RL+FRL
on
the
physiological
morphological
molecular
characteristics
two-year-old
Scots
pine
plants
grown
in
a
greenhouse
under
sunlight
was
studied.
Additional
RL
increased
number
xylem
cells,
transpiration
expression
group
genes
responsible
for
biosynthesis
signaling
auxins
(AUX/IAA,
ARF3/4,
ARF16)
brassinosteroids
(BR-α-RED
BRZ2),
while
related
to
pathway
jasmonic
acid
reduced.
Additionally,
WL,
content
proanthocyanidins
catechins
young
needles;
however,
an
increase
chalcone
synthase
gene
(CHS)
found
RL,
especially
RL+FRL,
which
possibly
indicates
greater
intensity
than
observed
spectrum.
WL
photosynthetic
activity,
presumably
by
increasing
proportion
blue
light;
at
same
time,
highest
index
RL.
results
obtained
indicate
that
effect
can
accelerate
development
cells
aboveground
parts
but
not
activity
or
accumulation
secondary
metabolites.
Seeds,
Год журнала:
2024,
Номер
3(3), С. 411 - 435
Опубликована: Авг. 21, 2024
The
Sideritis
genus
includes
over
150
species
primarily
found
in
the
Mediterranean
basin,
including
S.
clandestina
subsp.
pelopponesiaca
from
Peloponnese
and
scardica
North
Central
Greece.
In
vitro
seed
germination
has
proven
effective
for
conserving
amplifying
genetic
diversity
of
endangered
such
as
Sideritis.
This
study
aimed
to
optimize
seedling
growth
under
different
lighting
conditions
at
22
°C,
white
fluorescent
lamps
(WFL-BG-40)
LEDs
(LED-BGYOR-40,
LED-BR-40,
LED-BR-80,
LED-BR-120)
all
a
16-h
light/8-h
dark
photoperiod
(WFL:
light,
B:blue,
G:green,
Y:yellow,
O:orange,
R:red,
40–80–120
μmol
m−2
s−1),
along
with
24-h
treatment.
results
indicated
that
LED-BR-80
combined
250
mg
L−1
GA3
MS
medium
promoted
best
(40%,
day
55)
shoot
proliferation
pelopponesiaca.
Conversely,
5-year-old
cold
stratified
seeds
showed
higher
rates
(80%)
robust
LED-BGYOR-40
GA3,
particularly
thriving
LED-BR-120
increased
height
root
number.
is
first
report
efficacy
LED
technology
optimizing
species,
crucial
their
conservation
sustainable
commercial
cultivation.
Agronomy,
Год журнала:
2024,
Номер
14(12), С. 2943 - 2943
Опубликована: Дек. 10, 2024
Raising
rice
(Oryza
sativa
L.)
seedlings
under
LED
lighting
reduces
nursing
space
and
labor
while
ensuring
health
quality.
This
study
compared
grown
natural
light
(NL)
(AL),
with
without
inoculation
of
the
beneficial
fungus
Falciphora
oryzae.
The
results
showed
that
NL-grown
had
greater
stem
diameters
shoot
root
weights.
AL
treatment
induced
higher
plant
height
in
some
cultivars
longer
lengths
others.
Microbial
minimally
affected
phenotypes
but
increased
length
one
cultivar.
Chlorophyll
content
was
unchanged
across
treatments,
malondialdehyde
(MDA)
levels
rose
cultivar,
catalase
(CAT)
were
elevated
two
AL.
reduced
CAT
+
M
rhizosphere
prokaryotic
community
evenness
altered
compositions
endosphere,
Burkholderia
Paraburkholderia
taxa
showing
differential
responses
to
treatments.
These
findings
underscore
role
microbial
enhancing
seedling
resilience
artificial
lighting,
contributing
sustainable
agriculture
food
security.