Genotypic Selection Using QTL for Better Productivity under High Temperature Stress in Tomato (<em>Solanum lycopersicum</em> L.)
Published: June 21, 2024
High
temperature
stress
affects
tomato
production
both
in
tropical
and
sub-tropical
environments
worldwide.
To
explore
genetic
variation
for
heat
tolerance
tomato,
329
transcontinental
varieties
were
evaluated
at
The
Ministry
of
Municipality
Environment
(MME)
greenhouses
near
Doha,
Qatar.
Preliminary
phenotypic
analysis
identified
a
diverse
set
71
hybrid
pure
line
more
detailed
studies.
selected
subset
was
examined
the
greenhouse
randomized
complete
block
design
under
stress.
materials
phenotyped
fruit
size,
weight,
hardness,
locules,
(%),
total
soluble
solids
(TSS),
yield.
Significant
differences
among
genotypes
observed
all
traits
assessed.
basis
genotyped
using
104
SNP
markers
previous
genome
wide
association
studies
(GWAS).
Nineteen
QTL
associated
could
reliably
select
tolerant
terms
better
yield,
set,
TSS.
These
are
located
on
Chromosome
1,
5,
6,
8,
9,
12.
Interestingly,
two
clusters
chromosome
6
linked
to
significant
effects
TSS
high
temperature.
Some
within
these
regions
also
reported
as
with
other
Eighteen
out
nineteen
mapped
gene
body.
Based
genotypic
analysis,
an
elite
five
approval
findings
have
significance
not
only
Qatar,
but
they
valuable
wider
application
locations
19
presented
here
be
adopted
by
breeders
marker-assisted
selection
(MAS)
tolerance.
Language: Английский
Untargeted NMR Study of Metabolic Changes in Processing Tomato Treated with Trichoderma atroviride Under Open-Field Conditions and Exposed to Heatwave Temperatures
Molecules,
Journal Year:
2024,
Volume and Issue:
30(1), P. 97 - 97
Published: Dec. 29, 2024
Rising
temperatures
due
to
climate
change
may
affect
the
quality
of
open-field
cultivated
processing
tomatoes
by
altering
nutrient
content.
Bioinoculants
are
growing
in
popularity
as
a
nature-based
strategy
mitigate
these
environmental
stresses.
Untargeted
quantitative
NMR
spectroscopy
was
leveraged
characterize
metabolome
tomato
fruits
exposed
abiotic
stress
during
year
2022,
which
marked
unexpected
high
and
low
rainfall
compared
2021
with
average
conditions.
This
study
conducted
at
sites
Tarquinia
Viterbo,
comparing
untreated
plants
ones
treated
Trichoderma-based
bioinoculant.
The
hotter
affected
water-soluble
fraction
(28
compounds),
causing
an
increase
amino
acids,
citrate,
formate
contents
while
decreasing
carbohydrates
together
significant
drop
β-sitosterol
+
campesterol
organic
(11
compounds).
site
mainly
linolenic
acid
levels,
were
more
abundant
than
Viterbo
year,
whereas
ascorbate
myo-inositol
higher
both
years.
×
interaction
significantly
content
several
glucose,
sucrose,
trigonelline.
bioinoculant
effect
only
for
its
interactions
other
factors
showed
little
no
significance
across
all
measured
metabolites.
Language: Английский