Stripe
or
yellow
rust
(YR)
caused
by
Puccinia
striiformis
tritici
(Pst)
is
an
important
foliar
disease
affecting
wheat
production
globally.
Resistant
varieties
are
the
most
economically
and
environmentally
effective
way
to
manage
this
disease.
The
common
winter
(Triticum
aestivum
L.)
cultivar
Luomai
163
exhibited
resistance
Pst
races
CYR32
CYR33
at
seedling
stage
showed
a
high
level
of
adult
plant
in
field.
To
understand
genetic
basis
YR
cultivar,
142
F
5
recombinant
inbred
lines
(RILs)
derived
from
cross
Apav#1
×
LM163
both
parents
were
genotyped
with
16K
SNP
array
bulked
segregant
analysis
sequencing.
detected
major
gene,
YrLM163,
associated
1BL.1RS
translocation.
Additionally,
three
genes
for
on
chromosome
arms
1BL
(Lr46/Yr29/Pm39/Sr58),
6BS,
6BL
163,
whereas
contributed
quantitative
trait
locus
(QTL)
2BL.
These
QTL
explained
severity
variations
ranging
6.9
54.8%.
kompetitive
allele-specific
PCR
(KASP)
markers
KASP-2BL,
KASP-6BS,
KASP-6BL
novel
loci
QYr.hzau-2BL,
QYr.hzau-6BS,
QYr.hzau-6BL
developed
validated.
QYr.hzau-1BL,
QYr.hzau-6BS
varying
degrees
when
present
individually
combination
based
genotype
phenotype
panel
570
accessions.
Six
RILs
combining
alleles
all
QTL,
showing
higher
field
than
severities
10.7
16.0%,
germplasm
resources
breeding
programs
develop
YR-resistant
good
agronomic
traits.
Horticultural Plant Journal,
Год журнала:
2024,
Номер
unknown
Опубликована: Фев. 1, 2024
Advances
in
gene
editing
and
natural
genetic
variability
present
significant
opportunities
to
generate
novel
alleles
select
sources
of
variation
for
horticulture
crop
improvement.
The
improvement
crops
enhance
their
resilience
abiotic
stresses
new
pests
due
climate
change
is
essential
future
food
security.
field
genomics
has
made
strides
over
the
past
few
decades,
enabling
us
sequence
analyze
entire
genomes.
However,
understanding
complex
relationship
between
genes
expression
phenotypes
-
observable
characteristics
an
organism
requires
a
deeper
phenomics.
Phenomics
seeks
link
information
with
biological
processes
environmental
factors
better
understand
traits
diseases.
Recent
breakthroughs
this
include
development
advanced
imaging
technologies,
artificial
intelligence
algorithms,
large-scale
data
analysis
techniques.
These
tools
have
enabled
explore
relationships
genotype,
phenotype,
environment
unprecedented
detail.
This
review
explores
importance
phenotypes.
Integration
efficient
high
throughput
plant
phenotyping
as
well
potential
machine
learning
approaches
genomic
phenomics
trait
discovery.
New Phytologist,
Год журнала:
2024,
Номер
243(5), С. 1758 - 1775
Опубликована: Июль 11, 2024
Summary
Drought,
especially
terminal
drought,
severely
limits
wheat
growth
and
yield.
Understanding
the
complex
mechanisms
behind
drought
response
in
is
essential
for
developing
drought‐resistant
varieties.
This
study
aimed
to
dissect
genetic
architecture
high‐yielding
ideotypes
under
drought.
An
automated
high‐throughput
phenotyping
platform
was
used
examine
28
392
image‐based
digital
traits
(i‐traits)
different
conditions
during
flowering
stage
of
a
natural
population.
Of
i‐traits
examined,
17
073
were
identified
as
drought‐related.
A
genome‐wide
association
(GWAS)
5320
drought‐related
significant
single‐nucleotide
polymorphisms
(SNPs)
27
SNP
clusters.
notable
hotspot
region
controlling
tolerance
discovered,
which
TaPP2C6
shown
be
an
important
negative
regulator
response.
The
tapp2c6
knockout
lines
exhibited
enhanced
resistance
without
yield
penalty.
haplotype
analysis
revealed
favored
allele
that
significantly
correlated
with
resistance,
affirming
its
potential
value
breeding
programs.
We
developed
advanced
prediction
model
using
24
analyzed
by
machine
learning.
In
summary,
this
provides
comprehensive
insights
into
ideotype
approach
rapid
wheat.
Agriculture,
Год журнала:
2024,
Номер
14(3), С. 391 - 391
Опубликована: Фев. 29, 2024
The
morphology
and
structure
of
wheat
plants
are
intricate,
containing
numerous
tillers,
rich
details,
significant
cross-obscuration.
Methods
effectively
reconstructing
three-dimensional
(3D)
models
that
reflects
the
varietal
architectural
differences
using
measured
data
is
challenging
in
plant
phenomics
functional–structural
models.
This
paper
proposes
a
3D
reconstruction
technique
for
integrates
point
cloud
virtual
design
optimization.
approach
extracted
single
stem
number,
growth
position,
length,
inclination
angle
from
plant.
It
then
built
an
initial
mesh
model
by
integrating
phytomer
template
database
with
variety
resolution.
Diverse
were
subsequently
virtually
designed
iteratively
modifying
leaf
azimuth,
based
on
model.
Using
as
overall
constraint
setting
minimum
Chamfer
distance
between
optimization
objective,
we
obtained
optimal
result
through
continuous
iterative
calculation.
method
was
validated
27
winter
plants,
nine
varieties
three
replicates
each.
R2
values
reconstructed
0.80,
0.73,
0.90,
0.69
height,
crown
width,
area,
coverage,
respectively.
Additionally,
Normalized
Root
Mean
Squared
Errors
(NRMSEs)
0.10,
0.12,
0.08,
0.17,
Absolute
Percentage
(MAPEs)
used
to
investigate
vertical
spatial
distribution
clouds
ranged
4.95%
17.90%.
These
results
demonstrate
exhibits
satisfactory
consistency
data,
including
phenotype
distribution,
accurately
characteristics
architecture
utilized
cultivars.
provides
technical
support
research
phenotyping
analysis.
Crop
phenomics
has
rapidly
progressed
in
recent
years
due
to
the
growing
need
for
crop
functional
genomics,
digital
breeding,
and
smart
cultivation.
Despite
this
advancement,
lack
of
standards
creation
usage
technology
equipment
become
a
bottleneck,
limiting
industry's
high-quality
development.
This
paper
begins
with
an
overview
phenotyping
industry
presents
industrial
mapping
big
data
phenomics.
It
analyzes
necessity
current
state
constructing
standard
framework
phenotyping.
Furthermore,
proposes
intended
organizational
structure
goals
framework.
details
essentials
research
development
hardware
equipment,
acquisition,
storage
management
data.
Finally,
it
discusses
promoting
construction
evaluation
framework,
aiming
provide
ideas
developing
International Journal of Molecular Sciences,
Год журнала:
2024,
Номер
25(5), С. 3028 - 3028
Опубликована: Март 6, 2024
Cellulose
crystallinity
is
a
crucial
factor
influencing
stem
strength
and,
consequently,
wheat
lodging.
However,
the
genetic
dissection
of
cellulose
less
reported
due
to
difficulty
its
measurement.
In
this
study,
VIS/NIR
spectra
and
were
measured
for
accession
panel
with
diverse
backgrounds.
We
developed
reliable
model
high
determination
coefficient
(R2)
(0.95)
residual
prediction
deviation
(RPD)
(4.04),
enabling
rapid
screening
samples.
A
GWAS
in
326
accessions
revealed
14
significant
SNPs
13
QTLs.
Two
candidate
genes,
TraesCS4B03G0029800
TraesCS5B03G1085500,
identified.
summary,
study
establishes
an
efficient
method
measurement
stems
provides
basis
enhancing
lodging
resistance
wheat.
Abstract
Background
As
the
greenhouse
effect
intensifies,
global
temperatures
are
steadily
increasing,
posing
a
challenge
to
bread
wheat
(
Triticum
aestivum
L.)
production.
It
is
imperative
comprehend
mechanism
of
high
temperature
tolerance
in
and
implement
breeding
programs
identify
develop
heat-tolerant
germplasm
cultivars.
Results
To
quantitative
trait
loci
(QTL)
related
heat
stress
(HST)
at
seedling
stage
wheat,
panel
253
accessions
which
were
re-sequenced
used
conduct
genome-wide
association
studies
(GWAS)
using
factored
spectrally
transformed
linear
mixed
models
(FaST-LMM).
For
most
accessions,
growth
seedlings
was
found
be
inhibited
under
stress.
Analysis
phenotypic
data
revealed
that
conditions,
main
root
length,
total
shoot
length
decreased
by
47.46%,
49.29%,
15.19%,
respectively,
compared
those
normal
conditions.
However,
17
varieties
identified
as
tolerant
germplasm.
Through
GWAS
analysis,
115
QTLs
detected
both
Furthermore,
15
stable
QTL-clusters
associated
with
response
identified.
By
combining
gene
expression,
haplotype
annotation
information
within
physical
intervals
QTL-clusters,
two
novel
candidate
genes,
TraesCS4B03G0152700/TaWRKY74-B
TraesCS4B03G0501400/TaSnRK3.15-B
,
responsive
potential
regulators
HST
stage.
Conclusions
This
study
conducted
detailed
genetic
analysis
successfully
genes
potentially
stage,
laying
foundation
further
dissect
regulatory
underlying
Our
finding
could
serve
genomic
landmarks
for
aimed
improving
adaptation
face
climate
change.