PLoS ONE,
Journal Year:
2021,
Volume and Issue:
16(12), P. e0261461 - e0261461
Published: Dec. 20, 2021
In
warm-humid
ago-ecologies
of
the
world,
sorghum
[
Sorghum
bicolor
(L.)
Moench]
production
is
severely
affected
by
anthracnose
disease
caused
Colletotrichum
sublineolum
Henn.
New
sources
resistance
should
be
identified
to
introgress
novel
genes
into
susceptible
varieties
in
breeding
programs.
The
objective
this
study
was
determine
genome-wide
association
Diversity
Arrays
Technology
Sequencing
(DArTseq)
based
single
nucleotide
polymorphisms
(SNP)
markers
and
diverse
populations
for
breeding.
Three
hundred
sixty-six
were
assessed
three
seasons
western
Ethiopia
using
artificial
inoculation.
Data
on
severity
relative
area
under
progress
curve
computed.
Furthermore,
test
genotyped
SNP
with
DArTseq
protocol.
Population
structure
analysis
mapping
undertaken
11,643
SNPs
<10%
missing
data.
evaluated
population
grouped
eight
distinct
genetic
clusters.
A
total
significant
(P
<
0.001)
marker-trait
associations
(MTAs)
detected,
explaining
4.86–15.9%
phenotypic
variation
resistance.
Out
which
four
above
cutoff
point.
MTAs
are
useful
marker-assisted
selection
(MAS)
programs
gene
quantitative
trait
loci
(QTL)
mapping.
Theoretical and Applied Genetics,
Journal Year:
2022,
Volume and Issue:
135(9), P. 3057 - 3071
Published: Aug. 7, 2022
Leaf
width
was
correlated
with
plant-level
transpiration
efficiency
and
associated
19
QTL
in
sorghum,
suggesting
it
could
be
a
surrogate
for
large
breeding
program.
Enhancing
plant
(TE)
by
reducing
without
compromising
photosynthesis
yield
is
desirable
selection
target
crop
improvement
programs.
While
narrow
individual
leaf
has
been
greater
intrinsic
water
use
C4
species,
the
extent
to
which
this
translates
TE
not
investigated.
The
aims
of
study
were
evaluate
correlation
at
whole-plant
scale
investigate
genetic
control
sorghum.
Two
lysimetry
experiments
using
16
genotypes
varying
stomatal
conductance
three
field
trials
sorghum
diversity
panel
(n
=
701
lines)
conducted.
Negative
associations
found
experiments,
leaves
may
result
reduced
trade-offs
biomass
accumulation.
A
wide
range
largest
consistent
ranking
among
races,
that
environmental
adaptation
have
role
modifying
width.
Nineteen
identified
genome-wide
association
studies
on
adjusted
flowering
time.
showed
high
levels
correspondence
those
maize
rice,
similarities
across
cereals.
Three
priori
candidate
genes
width,
previously
regulate
dorsoventrality,
based
1-cM
threshold.
This
provides
useful
physiological
insights
potential
manipulation
improve
diverse
environments.
PLoS ONE,
Journal Year:
2021,
Volume and Issue:
16(12), P. e0261461 - e0261461
Published: Dec. 20, 2021
In
warm-humid
ago-ecologies
of
the
world,
sorghum
[
Sorghum
bicolor
(L.)
Moench]
production
is
severely
affected
by
anthracnose
disease
caused
Colletotrichum
sublineolum
Henn.
New
sources
resistance
should
be
identified
to
introgress
novel
genes
into
susceptible
varieties
in
breeding
programs.
The
objective
this
study
was
determine
genome-wide
association
Diversity
Arrays
Technology
Sequencing
(DArTseq)
based
single
nucleotide
polymorphisms
(SNP)
markers
and
diverse
populations
for
breeding.
Three
hundred
sixty-six
were
assessed
three
seasons
western
Ethiopia
using
artificial
inoculation.
Data
on
severity
relative
area
under
progress
curve
computed.
Furthermore,
test
genotyped
SNP
with
DArTseq
protocol.
Population
structure
analysis
mapping
undertaken
11,643
SNPs
<10%
missing
data.
evaluated
population
grouped
eight
distinct
genetic
clusters.
A
total
significant
(P
<
0.001)
marker-trait
associations
(MTAs)
detected,
explaining
4.86–15.9%
phenotypic
variation
resistance.
Out
which
four
above
cutoff
point.
MTAs
are
useful
marker-assisted
selection
(MAS)
programs
gene
quantitative
trait
loci
(QTL)
mapping.
