Multi-trait assessment of wheat variety mixtures performance and stability: Mixtures for the win!
European Journal of Agronomy,
Год журнала:
2025,
Номер
164, С. 127504 - 127504
Опубликована: Янв. 7, 2025
Язык: Английский
Temporal Resolution Trumps Spectral Resolution in UAV-Based Monitoring of Canopy Senescence Dynamics
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
Environmental Drivers of Crop Phenology: Simultaneous Integration of Climate Scenarios and Ground Truth Data Makes the Difference
Опубликована: Янв. 1, 2024
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DOI
Язык: Английский
Temporal resolution trumps spectral resolution in UAV-based monitoring of cereal senescence dynamics
Plant Methods,
Год журнала:
2024,
Номер
20(1)
Опубликована: Дек. 19, 2024
Senescence
is
a
complex
developmental
process
that
regulated
by
multitude
of
environmental,
genetic,
and
physiological
factors.
Optimizing
the
timing
dynamics
this
has
potential
to
significantly
impact
crop
adaptation
future
climates
for
maintaining
grain
yield
quality,
particularly
under
terminal
stress.
Accurately
capturing
senescence
isolating
genetic
variance
component
requires
frequent
assessment
as
well
intense
field
testing.
Here,
we
evaluated
compared
temporally
dense
drone-based
RGB-
multispectral
image
sequences
purpose.
Regular
measurements
were
made
throughout
filling
phase
more
than
600
winter
wheat
genotypes
across
three
experiments
in
high-yielding
environment
temperate
Europe.
At
plot
level,
RGB
indices
extracted,
time
series
modelled
using
different
parametric
semi-parametric
models.
The
capability
these
approaches
track
was
based
on
estimated
model
parameters,
with
corresponding
parameters
derived
from
repeated
visual
scorings
reference.
This
approach
represents
need
remote-sensing
proxies
capture
entire
process,
onset
conclusion
senescence,
rate
progression.
Язык: Английский
Multi trait assessment of wheat variety mixtures performance and stability: mixtures for the win!
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 23, 2024
In
the
current
quest
for
a
more
sustainable,
environment-friendly
agriculture,
variety
mixtures
are
often
suggested
as
practical
option
to
increase
stability
of
food
production
systems.
Their
effects
on
yield
have
been
extensively
researched,
yet
clear
conclusions
remain
elusive,
notably
in
terms
mechanistic
processes
and
optimal
combinations.
Furthermore,
case
wheat,
is
not
only
component
equation:
grain
quality
crucial
bread
value
chain,
wheat
its
rarely
investigated.
To
that
end,
we
conducted
multi-year,
multi-site
mixture
experiment
investigating
role
performance
five
traits
linked
quality,
mechanisms
underlying
these
effects.
Eight
varieties
were
grown
pure
stands
2-variety
mixtures,
following
full
diallel
design.
We
considered
responses
yield,
protein
content,
thousand
kernel
weight,
hectoliter
Zeleny
sedimentation
value.
Results
showed
generally
outperformed
global
5
parameters.
particularly
noticed
an
showing
potential
improve
crop
quality.
Moreover,
highlighted
important
light
interception
increased
benefits.
A
detailed
investigation
into
individual
performances
led
us
some
rules
combinations:
advise
combining
with
similar
heights
phenologies
but
different
tillering
abilities
potential.
This
study
thus
shows
represent
promising
solution
sustainably
With
recommendations,
our
results
could
benefit
farmers
also
processors
bakers,
promote
adoption
mixtures.
Язык: Английский
Erratum to: Mixing things up! Identifying early diversity benefits and facilitating the development of improved variety mixtures with high throughput field phenotyping
The Plant Phenome Journal,
Год журнала:
2024,
Номер
7(1)
Опубликована: Янв. 30, 2024
Mixing
things
up!
Identifying
early
diversity
benefits
and
Язык: Английский
Temporal resolution trumps spectral resolution in UAV-based monitoring of canopy senescence dynamics
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 14, 2023
Abstract
Senescence
is
a
dynamic
process
that
affected
by
many
environmental,
genetic,
and
physiological
factors.
Quantifying
this
important
for
breeding
wheat
varieties
with
high
yield
of
quality.
We
present
method
allows
up-scaling
the
state
art
-
visual
scoring
using
image
sequences
acquired
from
Unmanned
Aerial
Vehicles
(UAV).
This
reduces
measurement
time
environmental
changes
during
as
well
rater
bias.
compared
potential
widely
used
multispectral
sensor
cheaper
high-resolution
RGB
camera
to
track
dynamics
senescence.
A
UAV
each
was
equipped
one
these
sensors
measure
canopy
reflectance
throughout
senescence
lasted
several
weeks,
more
than
400
winter
cultivars
across
three
field
seasons.
Multiple
spectral
indices
were
calculated
at
experimental
plot
level
model
Model
fits
further
processed
extract
key
points
phase.
By
comparing
results
two
other
evaluation,
respectively,
we
show
both
allow
monitoring
phase
precision
close
sophisticated
proximal
sensing
approaches.
Optimal
timing
measurements
proved
be
choice
sensor,
confirming
timely
frequent
should
prioritized
over
expensive
provide
higher
resolution.
Язык: Английский