Horticulturae,
Journal Year:
2023,
Volume and Issue:
9(6), P. 663 - 663
Published: June 3, 2023
Potato
tubers
are
susceptible
to
wounding
during
post-harvest
processes,
leading
quality
decline,
perishability
and
large
economic
losses.
In
this
study,
the
potato
cultivar,
‘Longshu
No.7′,
was
foliar-sprayed
with
3%
chitosan
(w/v)
three
times
pre-harvest
period
after
flowering
evaluate
effect
of
foliar
spraying
on
suberization
processing
in
wounds
harvested
tubers.
Our
results
demonstrated
that
sprayed
significantly
reduced
wound-induced
fresh
weight
loss
dry
rot
disease
index
by
37.34%
41.60%
day
28
wounding,
respectively.
Foliar
accelerated
deposition
suberin
polyphenolic
lignin
at
wound
sites
formation
thicker
cell
layers.
This
occurred
increased
localized
activities
key
enzymes
pathways,
including
phenylalanine
ammonia
lyase,
4-coumaryl-coenzyme
A
ligase,
cinnamyl
alcohol
dehydrogenase
peroxidase
(33.90–64.32%),
as
well
contents
cinnamic
acid,
sinapic
flavonoids,
lignins
total
phenolics
(19.70–23.46%)
wounded
7
wounding.
indicated
application
could
mitigate
product
damages.
Potato
tubers
are
susceptible
to
wounding
during
post-harvest
processes,
leading
quality
decline,
perishability
and
large
economic
losses.
In
this
study,
the
potato
cultivar,
‘Longshu
No.7’,
was
foliar-sprayed
with
3%
chitosan
(w/v)
three
times
pre-harvest
period
after
flowering
evaluate
effect
of
foliar
spraying
on
suberization
processing
at
wounds
harvested
tubers.
Our
results
demonstrate
that
significantly
reduced
wound-induced
fresh
weight
loss
dry
rot
disease
index
by
37.34%
41.60%
28
day
wounding,
respectively.
Foliar-sprayed
accelerated
deposition
suberin
polyphenolics
lignin
wound
sites
formation
thicker
cell
layers.
This
occurred
increased
localized
activities
key
enzymes
in
pathways,
including
phenylalanine
ammonia
lyase,
4-coumaryl-coenzyme
A
ligase,
cinnamyl
alcohol
dehydrogenase
peroxidase
(33.90–64.32%),
as
well
contents
cinnamic
acid,
sinapic
flavonoids,
lignins
total
phenolics
(19.70–23.46%)
7
wounding.
indicated
application
could
mitigate
product
damages.
Horticulturae,
Journal Year:
2023,
Volume and Issue:
9(6), P. 663 - 663
Published: June 3, 2023
Potato
tubers
are
susceptible
to
wounding
during
post-harvest
processes,
leading
quality
decline,
perishability
and
large
economic
losses.
In
this
study,
the
potato
cultivar,
‘Longshu
No.7′,
was
foliar-sprayed
with
3%
chitosan
(w/v)
three
times
pre-harvest
period
after
flowering
evaluate
effect
of
foliar
spraying
on
suberization
processing
in
wounds
harvested
tubers.
Our
results
demonstrated
that
sprayed
significantly
reduced
wound-induced
fresh
weight
loss
dry
rot
disease
index
by
37.34%
41.60%
day
28
wounding,
respectively.
Foliar
accelerated
deposition
suberin
polyphenolic
lignin
at
wound
sites
formation
thicker
cell
layers.
This
occurred
increased
localized
activities
key
enzymes
pathways,
including
phenylalanine
ammonia
lyase,
4-coumaryl-coenzyme
A
ligase,
cinnamyl
alcohol
dehydrogenase
peroxidase
(33.90–64.32%),
as
well
contents
cinnamic
acid,
sinapic
flavonoids,
lignins
total
phenolics
(19.70–23.46%)
wounded
7
wounding.
indicated
application
could
mitigate
product
damages.