Effect of Light Conditions on Growth and Antioxidant Parameters of Two Hydroponically Grown Lettuce Cultivars (Green and Purple) in a Vertical Farm System
Horticulturae,
Journal Year:
2025,
Volume and Issue:
11(2), P. 220 - 220
Published: Feb. 18, 2025
The
use
of
extended
light
spectra,
including
UV-A,
green,
and
far-red,
has
been
scarcely
explored
in
vertical
farming.
This
study
evaluated
the
effects
full
spectra
under
two
intensities
(90
180
µmol
m−2
s−1)
on
growth
antioxidant
properties
green
purple
leaf
lettuce.
Three
were
tested:
Blue-White
(BW),
Red-White
(RW),
Red-Blue
(RB).
Fresh
weight
(FW),
dry
percentage
(DWP),
chlorophyll
concentration
(NDVI),
parameters
(total
phenolic
content
(TPC),
capacity
by
DPPH
FRAP
total
flavonoid
(TFC))
assessed.
Spectrum-intensity
interactions
significantly
influenced
FW,
with
RW-180
s−1
yielding
highest
FW
(78.2
g
plant−1
48.5
lettuce).
BW-90
maximized
DWP
lettuce,
while
PAR
intensity
favored
Chlorophyll
increased
s−1,
color
varied
spectrum,
RW
producing
lighter
leaves.
Antioxidant
declined
over
time,
but
a
particularly
RW,
boosted
TPC
TFC
contents
both
lettuce
cultivars
during
early
stages
(days
0
15).
Conversely,
lower
90
mainly
enhanced
at
15
days
end
cycle
for
cultivars.
Overall,
promoted
best
characteristics
Nonetheless,
findings
emphasize
significance
fine-tuning
spectrum
to
enhance
quality
farming
systems
considering
cultivar,
time
variable
be
evaluated.
Language: Английский
Harnessing Light Quality for Potato Production: Red and Blue Light as Key Regulators of Growth and Yield
Rong Guo,
No information about this author
Yanjun Jin,
No information about this author
Juan Liu
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et al.
Plants,
Journal Year:
2025,
Volume and Issue:
14(7), P. 1039 - 1039
Published: March 27, 2025
This
study
aimed
to
investigate
the
effects
of
different
light
qualities
on
morphological
development,
photosynthetic
characteristics,
stomatal
structure,
and
yield
potato,
providing
theoretical
practical
guidance
for
optimizing
environments
in
controlled
agricultural
systems
enhancing
efficient
production
potato
microtubers.
Six
qualities-white,
red,
blue,
green,
far-red,
ultraviolet-were
applied
systematically
evaluate
their
effects.
The
results
showed
that
quality
significantly
influenced
plant
traits
physiological
metabolism.
Red
blue
demonstrated
most
pronounced
promotive
Under
red
light,
height
stem
diameter
increased
by
57.47%
31.10%,
respectively,
compared
white
while
single
tuber
weight
20.09%,
despite
a
14.96%
reduction
number
per
plant.
Blue
enhanced
chlorophyll
content
(by
20.35%)
density
(adaxial
stomata
28.85%),
leading
38.98%
increase
number,
51.79%
weight,
remarkable
110.37%
improvement
total
plant,
light.
In
contrast,
green
moderately
promoted
photosynthesis
lower
leaves,
but
reduced
39.90%.
Far-red
(740
nm)
ultraviolet
(390
severely
inhibited
growth
failed
induce
formation.
Correlation
analysis
revealed
highly
significant
positive
relationship
between
content,
net
rate,
density,
(r
=
0.96,
p
<
0.01).
evaluated
independent
first
time,
clarifying
regulatory
advantages
important
insights
environment
with
improve
microtuber
yield.
Furthermore,
this
provides
critical
data
support
future
research
dynamic
optimization
ratio.
Language: Английский
Morphological and biochemical analysis along with gene expression dynamics in Lilium ‘Brunello’ under supplemented effect of blue and red light treatment in pin tray soil-less cultivation system
Mahinder Partap,
No information about this author
H N Deekshith,
No information about this author
Himanshi Gupta
No information about this author
et al.
Journal of Photochemistry and Photobiology B Biology,
Journal Year:
2025,
Volume and Issue:
267, P. 113168 - 113168
Published: April 23, 2025
Language: Английский
Far-Red Light Inhibits Soybean Biomass and Yield by Modulating Plant Photosynthesis
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(11), P. 2684 - 2684
Published: Nov. 14, 2024
Alterations
in
the
light
environment
can
significantly
influence
soybean
morphology
and
yield
formation;
however,
effects
mechanisms
of
different
qualities
on
these
aspects
require
further
investigation.
Consequently,
we
selected
cultivars
with
marked
differences
sensitivity
as
test
materials,
conducted
experiments
red,
blue,
green
against
a
blue
background,
analyzed
parameters
related
to
leaf
photosynthetic
capacity,
chlorophyll
fluorescence,
morphological
characteristics,
biomass,
variations
following
quality
treatments.
The
results
showed
that
far-red
treatment,
plants
exhibited
significant
shade
avoidance
syndrome,
internode
elongation,
increased
plant
height,
reduction
both
root
well
total
biomass.
Furthermore,
there
was
substantial
capacity.
This
indicated
exerts
an
inhibitory
effect
growth
formation.
Red
has
basically
no
regulatory
yield,
while
yield-increasing
effect,
but
cultivar
effect.
study
not
only
enhances
our
understanding
through
which
regulates
photosynthesis
also
lays
scientific
foundation
for
future
crop
management
exploration
quality’s
potential
growth.
Language: Английский