IntechOpen eBooks,
Journal Year:
2023,
Volume and Issue:
unknown
Published: June 21, 2023
A
lot
of
research
initiatives
have
gone
into
the
breeding
cassava
which
has
led
to
development
and
release
over
30
varieties
in
Ghana,
adoption
rate
is
40%.
This
low
due
inadequate
promotion
improved
fact
that
some
do
not
meet
end-user
needs.
With
becoming
an
important
cash
crop,
it
programmes
refocus
define
market
segments
objectives
facilitate
improvement
target
traits
such
as
poundability,
dry
matter
content,
starch
carotenoids
will
lead
tailored
towards
long
run
promote
food
nutritional
security
especially
low-
middle-income
countries
where
crop
a
major
staple.
In
addition,
there
should
be
more
investment
high-throughput
phenotyping
enhance
assessment
evaluation
for
with
traits.
Subsequently,
seed
system
formalized
production
dissemination
high-quality
Plants,
Journal Year:
2022,
Volume and Issue:
11(12), P. 1617 - 1617
Published: June 20, 2022
Cassava
(Manihot
esculenta
Crantz)
is
the
sixth
most
important
food
crop
and
consumed
by
800
million
people
worldwide.
In
Africa,
cassava
second
after
maize
Africa
worlds’
largest
producer.
Though
not
one
of
main
commodity
crops
in
South
it
becoming
a
popular
among
farming
communities
frost-free
areas,
due
to
its
climate-resilient
nature.
This
necessitated
establishment
multi-disciplinary
research
program
at
Agricultural
Research
Council
Africa.
The
objective
this
review
highlight
progress
made
breeding
genetic
analysis.
highlights
worldwide
discusses
findings
on
yield,
quality,
adaptability
traits
cassava.
It
also
limitations
prospects
R&D
towards
development
industry
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: March 15, 2023
Crop
breeding
programs
have
often
focused
on
the
release
of
new
varieties
that
target
yield
improvement
to
achieve
food
security
and
reduce
poverty.
While
continued
investments
in
this
objective
are
justified,
there
is
a
need
for
be
increasingly
more
demand-driven
responsive
changing
customer
preferences
population
dynamics.
This
paper
analyses
responsiveness
global
potato
sweetpotato
pursued
by
International
Potato
Center
(CIP)
its
partners
three
major
development
indicators:
poverty,
malnutrition
gender.
The
study
followed
seed
product
market
segmentation
blueprint
developed
Excellence
Breeding
platform
(EiB)
identify,
describe,
estimate
sizes
segments
at
subregional
levels.
We
then
estimated
potential
poverty
nutrition
impacts
respective
segments.
Further,
we
employed
G+
tools
involving
multidisciplinary
workshops
evaluate
gender-responsiveness
programs.
Our
analysis
reveals
future
will
greater
developing
pipelines
poor
rural
people,
high
stunting
rates
among
children,
anemia
prevalence
women
reproductive
age,
where
vitamin
A
deficiency.
In
addition,
strategies
gender
inequality
enhance
appropriate
change
roles
(hence
transformative)
also
required.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Oct. 30, 2023
Genotype-environment
interaction
(GEI)
presents
challenges
when
aiming
to
select
optimal
cassava
genotypes,
often
due
biased
genetic
estimates.
Various
strategies
have
been
proposed
address
the
need
for
simultaneous
improvements
in
multiple
traits,
while
accounting
performance
and
yield
stability.
Among
these
methods
are
mean
stability
(MPS)
multi-trait
index
(MTMPS),
both
utilizing
linear
mixed
models.
This
study’s
objective
was
assess
variation
GEI
effects
on
fresh
root
(FRY),
along
with
three
primary
secondary
traits.
A
comprehensive
evaluation
of
22
genotypes
conducted
using
a
randomized
complete
block
design
replicates
across
47
distinct
environments
(year
x
location)
Brazil.
The
broad-sense
heritability
(
H2
)
averaged
0.37
traits
0.44
plot-based
id="im2">hmɡ2)
consistently
exceeding
0.90
all
high
extent
variance
id="im3">σɡxe2
demonstrates
effect
expression
dominant
analytic
factor
id="im4">(FA3
accounted
over
85%
total
variance,
communality
(ɧ)
surpassed
87%
These
values
collectively
suggest
substantial
capacity
explanation.
In
Cluster
1,
composed
remarkably
productive
stable
BRS
Novo
Horizonte
BR11-34-69
emerged
as
prime
candidates
FRY
enhancement,
BR12-107-002
were
indicated
optimizing
dry
matter
content.
Moreover,
MTMPS,
employing
selection
intensity
30%,
identified
seven
distinguished
by
heightened
encompassed
innovative
chosen
based
regression
id="im5">Sdi2
,
id="im6">R2
RMSE)
considerations
essence,
incorporating
methodologies
that
account
can
significantly
bolster
credibility
recommendations
novel
cultivars.
Plants,
Journal Year:
2024,
Volume and Issue:
13(14), P. 1899 - 1899
Published: July 10, 2024
Cassava
(Manihot
esculenta
Crantz)
was
introduced
to
Southeast
Asia
in
the
16th–17th
centuries
and
has
since
flourished
as
an
industrial
crop.
Since
1980s,
Thailand
emerged
leading
producer
exporter
of
cassava
products.
This
growth
coincided
with
initiation
breeding
programs
collaboration
International
Center
for
Tropical
Agriculture
(CIAT),
focusing
on
root
yield
starch
production.
The
success
Thai
can
be
attributed
incorporation
valuable
genetic
diversity
from
international
germplasm
resources
cross
local
landraces,
which
become
foundation
many
commercial
varieties.
Effective
evaluation
under
diverse
environmental
conditions
led
release
varieties
high
stability.
A
notable
is
development
Kasetsart
50.
However,
extreme
climate
change
poses
significant
challenges,
including
abiotic
biotic
stresses
that
threaten
content,
a
potential
decline
starch-based
industries.
Future
directions
must
include
hybrid
development,
marker-assisted
recurrent
breeding,
gene
editing,
along
high-throughput
phenotyping
flower
induction.
These
strategies
are
essential
achieve
objectives
focused
drought
tolerance
disease
resistance,
especially
CMD
CBSD.
Journal of Food Quality,
Journal Year:
2023,
Volume and Issue:
2023, P. 1 - 17
Published: Feb. 2, 2023
Gari
or
Tapioca
Rale,
a
roasted
yellow
white
granulated
product
found
on
market
stalls
of
sub-Saharan
African
countries
(SSA),
is
made
from
cassava
through
the
successive
steps
peeling,
grating,
fermentation
and/or
dewatering,
and
roasting,
most
consumed
derived
product.
The
strengthening
its
value
chain
can
contribute
to
food
sovereignty
as
well
improve
lifestyle
many
urban
rural
dwellers
SSA.
This
requires
identification
weaknesses
proposes
research
development
initiatives
that
will
increase
contribution
sovereignty.
present
review
aimed
thus
at
achieving
this
goal
up
now
knowledge
(i)
end-users
preferences
for
in
SSA;
(ii)
quality
(nutritional
microbiological)
stalls;
(iii)
processing
raw
material
determinant
quality;
(iv)
trials
which
have
been
done
nutritional
Gari.
It
also
some
scientific
challenges
overcome
SSA
order
all
ingredients
success.
Plants,
Journal Year:
2024,
Volume and Issue:
13(6), P. 796 - 796
Published: March 12, 2024
Flowering
in
cassava
(Manihot
esculenta
Crantz)
is
crucial
for
the
generation
of
botanical
seed
breeding.
However,
genotypes
preferred
by
most
farmers
are
erect
and
poor
at
flowering
or
never
flower.
To
elucidate
genetic
basis
flowering,
293
diverse
accessions
were
evaluated
flowering-associated
traits
two
locations
seasons
Uganda.
Genotyping
using
Diversity
Array
Technology
Pty
Ltd.
(DArTseq)
platform
identified
24,040
single-nucleotide
polymorphisms
(SNPs)
distributed
on
18
chromosomes.
Population
structure
analysis
principal
components
(PCs)
kinships
showed
three
clusters;
first
five
PCs
accounted
49.2%
observed
variation.
Linkage
disequilibrium
(LD)
estimation
averaged
0.32
a
distance
~2850
kb
(kilo
base
pairs).
Polymorphism
information
content
(PIC)
minor
allele
frequency
(MAF)
0.25
0.23,
respectively.
A
genome-wide
association
study
(GWAS)
uncovered
53
significant
marker–trait
associations
(MTAs)
with
involving
27
loci.
Two
loci,
SNPs
S5_29309724
S15_11747301,
associated
all
traits.
Using
Phenotype_Variance_Explained
(PVE)
≥
5%,
44
candidate
genes
peak
SNP
sites
located
within
50
upstream
downstream,
branching
Eight
genes,
orthologous
to
Arabidopsis
other
plant
species,
had
known
functional
annotations
related
e.g.,
eukaryotic
translation
initiation
factor
myb
family
transcription
factor.
This
genomic
regions
cassava,
can
be
useful
marker-assisted
selection
overcome
hybridization
challenges,
like
unsynchronized
gene
validation.