Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: March 7, 2024
A
trial
was
carried
out
in
central
Italy
an
olive
orchard
of
cultivar
Moraiolo,
highly
infected
by
Venturia
oleaginea
.
The
aim
the
investigation
to
evaluate
effects
autumn
and
spring
applications
copper
oxychloride
or
dodine
control
disease.
Non
treated
trees
were
used
as
control.
fungal
attacks
on
leaves
inflorescence
development
confirmed
high
susceptibility
Moraiolo
results
show
that
heavily
infected,
but
with
most
at
early
stage
disease
(asymptomatic
phase),
treatments
had
a
curative
effect,
consequent
reduction
appearance
symptomatic
defoliation
respect
copper-treated
trees.
use
against
autumnal
V.
allowed
old
be
maintained
until
new
ones
formed,
which
is
important
for
growth
processes
during
part
growing
season.
Overall,
indicate
efficiently
pathogen
using
compounds,
must
start
soon
after
beginning
attack
repeated
order
maintain
infection
low
level.
Dodine
can
if
there
great
increase
leaves.
solve
particular
situations
not
normal
regulated
fact
some
countries,
included,
protocols
integrated
pest
management
allow
only
one
treatment/year.
Poljoprivreda,
Journal Year:
2024,
Volume and Issue:
30(1), P. 44 - 53
Published: June 20, 2024
Despite
the
advancements
in
alternative
methods
of
disease
control,
chemical
substances
are
anticipated
to
remain
a
primary
measure
due
their
cost
and
effectiveness.
Currently,
Phytosanitary
Information
System
Database
Ministry
Agriculture
lists
17
registered
fungicides
specifically
approved
for
controlling
pathogenic
fungi
affecting
olive
trees
Croatia.
Fungicides
containing
copper
sulfur
most
commonly
used,
along
with
formulations
based
on
tebuconazole,
prochloraz,
trifloxystrobin.
However,
compounds
found
can
often
impact
environment.
An
improper
application
result
adverse
effects
food
chain,
leading
accumulation
residues
from
plant-protection
agents
posing
risks
human
animal
health.
Therefore,
agriculture,
phytomedicine
is
appropriately
regulated
by
laws
comprehensively.
This
study
delves
into
specific
fungal
diseases
olives
assesses
associated
hazards.
Plants,
Journal Year:
2024,
Volume and Issue:
13(24), P. 3514 - 3514
Published: Dec. 16, 2024
Studies
on
selenium
(Se)
and
silicon
(Si)
foliar
biostimulation
of
different
plants
have
been
shown
to
affect
concentrations
phenolic
compounds.
However,
their
effects
olive
(Olea
europaea
L.)
primary
secondary
metabolites
not
fully
investigated.
Therefore,
the
sprayed
Si
Se
combination
concentration
phenols,
selected
involved
in
phenol
biosynthesis,
mineral
elements
were
determined
leaves
field-grown
cultivar
Leccino.
During
summer
period,
three
times,
after
which
sampled
30
days
corresponding
application.
In
general,
treatment
or
increased
several
predominant
compounds,
such
as
oleuropein,
oleacein,
specific
flavonoids.
The
especially
pronounced
third
application
harvest
time
sampling
time.
Amino
acids
other
precursors
also
significantly
affected.
phenol-specific
depended
treatment,
time,
×
interaction.
response
verbascoside
applied
treatments
appeared
be
closely
linked
changes
its
amino
acid
precursors,
tyrosine,
while
connection
with
tryptophan
IAA
has
cautiously
considered.
contrast,
for
compounds
like
secoiridoids,
a
clear
interdependence
was
identified,
likely
due
more
complex
nature
biosynthesis.
than
milder.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: July 17, 2023
Spilocea
oleagina
is
a
dangerous
obligate
fungal
pathogen
of
olive,
feared
in
the
Mediterranean
countries,
causing
Peacock's
eye
or
leaf
spot
infection,
which
can
lead
to
serious
yield
loss
approximately
20%
higher
depending
on
climatic
conditions.
Coping
with
this
disease
much
more
problematic
for
organic
farms.
To
date,
knowledge
genetic
control
possible
mechanisms
resistance/low
susceptibility
quite
limited.
In
work,
comparative
transcriptomic
analysis
(RNA-seq)
was
conducted
tissues
low
susceptible
cultivar
Koroneiki
and
high
Nocellara
del
Belice,
both
tested
field
using
NaOH
test,
considering
two
stages-"zero
sign
disease"
"evident
infection".
Cultivars
showed
very
large
number
differentially
expressed
genes
(DEGs)
stages.
'Koroneiki'
an
extensive
hormonal
crosstalk,
involving
Abscisic
acid
(ABA)
ethylene
synergistically
acting
Jasmonate,
early
signaling
remarkable
defense
responses
against
through
over-expression
many
resistance
gene
analogs
pathogenesis-related
(PR)
genes:
non-specific
lipid-transfer
(nsLTPs),
LRR
receptor-like
serine/threonine-protein
kinase
genes,
GDSL
esterase
lipase,
defensin
Ec-AMP-D2-like,
protein
6-like,
Thaumatin-like
gene,
Mildew
Locus
O
(MLO)
glycine-rich
(GRP),
MADS-box
STH-21-like,
endochitinases,
glucan
endo-1,3-beta-glucosidases,
finally,
proteinases.
Numerous
involved
cell
wall
biogenesis,
remodeling,
wall-based
defense,
including
lignin
synthesis,
were
also
upregulated
resistant
cultivar,
indicating
role
composition
resistance.
It
that
transcription
factors
(TS),
some
Induced
Systemic
Resistance
(ISR),
as
well
abiotic
stress
response,
found
be
uniquely
'Koroneiki',
while
'Nocellara
Belice'
lacking
effective
system
expressing
overlap
wounding
responses,
and,
minor
extent,
related
phenylpropanoid
terpenoid
pathways.
Only
cultivars
showing
similar
expression.
mechanism
underlying
putative
trait
unraveled
first
time
target
breeding
olive
genotypes
found.
Gli
scenari
climatici
previsti
per
le
aree
del
Mediterraneo
pongono
sfide
molto
specifiche
l’agricoltura,
in
particolare
colture
da
frutto.
La
vulnerabilità
settore
alla
modificazione
delle
condizioni
agro-climatiche
dipende
sia
dagli
estremi
climatici,
dalla
capacità
di
adattamento
stesse.
A
motivo
della
loro
perennialità,
arboree
frutto
sono
particolarmente
esposte
a
ambientali
estreme,
quanto
la
resa
e
qualità
produzione
fortemente
influenzate
dalle
interazioni
genotipo
x
ambiente.
obiettivi
generali
questa
opera,
oltre
presentare
una
panoramica
principali
frutticole
nel
bacino
(mandorlo,
albicocco,
agrumi
spp.,
vite,
olivo
pesco),
sono:
i)
descrivere
caratteristiche
più
interessanti
coltivazione,
ii)
evidenziando
possibili
soluzioni
affrontare
gli
impatti
negativi
degli
iii)
riportando
i
risultati
progetto
internazionale
'Freeclimb'
(https://primafreeclimb.com/),
finanziato
quadro
PRIMA,
un'iniziativa
dell'UE
intesa
promuovere
cooperazione
(https://prima-med.org/).
International Journal of Plant Biology,
Journal Year:
2024,
Volume and Issue:
15(4), P. 1001 - 1020
Published: Oct. 9, 2024
Olive
trees
worldwide
suffer
from
a
number
of
devastating
fungal
diseases
that
affect
production.
One
such
serious
disease
is
olive
leaf
spot
caused
by
Venturia
oleaginea.
Recently,
we
applied
magnesium
hydroxide
porous
micron-scale
particles
(PMPs)
on
tomatoes
and
observed
potent
antimicrobial
activity,
reducing
the
load
treated
phyllosphere.
To
assess
effectiveness
compound
disease,
it
for
two
consecutive
seasons.
particular
tree
exhibited
extreme
manifestations
was
destined
removal.
A
single
application
Mg(OH)2
PMP
reversed
all
symptoms
eliminated
pathogen,
curing
disease.
oleaginea
appears
to
be
exceptionally
susceptible
treatment
compared
other
species
in
community.
The
beneficial
fungus
Aureobasidium
pullulans
increased
relative
abundance
sprayed
trees.
No
toxicity
loss
were
observed,
retention
exceeded
47
days.
All
showed
drastic
reductions
total
favorably
commercial
copper
compound.
Spraying
induced
moderate
expression
key
indicator
genes
associated
with
stress
responses.
chlorosis
or
shedding
observed.
Overall,
highly
promising
tool
combating
plant
Applied Sciences,
Journal Year:
2023,
Volume and Issue:
13(20), P. 11443 - 11443
Published: Oct. 18, 2023
Centennial
olive
trees,
integral
components
of
traditional
Mediterranean
agroecosystems,
hold
immense
value
as
repositories
biodiversity
and
cultural
heritage
due
to
their
physiological
attributes
life
history,
making
them
crucial
for
the
conservation
High
Nature
Value
ancient
orchards.
However,
they
are
increasingly
confronted
with
challenges
exacerbated
by
various
biotic
abiotic
stressors
jeopardizing
health
productivity,
underscoring
urgency
ongoing
monitoring
measures
secure
long-term
existence.
To
monitor
these
challenges,
in
recent
years,
adoption
non-invasive
techniques
like
infrared
thermography
(IRT)
has
become
prevalent.
In
this
study,
we
aimed
comprehensively
assess
state
centennial
a
particular
focus
on
productivity.
achieve
this,
monitored
44
trees
from
grove
island
Naxos,
Greece,
representative
location
groves,
during
period
2017
2020.
We
established
connections
between
set
trunk
canopy
thermal
humidity
indices,
phenotypic
traits,
two
most
prevalent
affecting
not
only
within
context
but
also
more
broadly
similar
environments
worldwide:
leaf
spot
disease
(OLS)
crop
water
stress,
assessed
through
stress
index
(CWSI).
evaluate
interrelationships,
initially
intraspecific
pattern
variations,
developed
linear
logistic
regression
models
gain
insights
into
factors
influencing
tree
OLS
presence.
Results
indicated
that
combining
indices
can
substantially
explain
OLS,
providing
valuable
tool
assessing
overall
while
offering
comprehensive
approach
understanding
complex
interactions
shaping
dynamics.
By
identifying
key
indicators
such
patterns
levels,
growers
conservationists
make
informed
decisions
enhance
vitality
longevity
culturally
ecologically
significant
trees.
Indian Journal of Entomology,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 11
Published: Oct. 1, 2023
About
34
insect
species
were
found
infesting
olive
orchards
in
UT
of
J&K
Among
them,
psylla,
Euphyllura
pakistanica;
black
scale,
Saissetia
olea
and
tinged
bug,
Eteoneus
sp.
sigilatus
Drake
caused
serious
damage.
The
avoidable
yield
losses
by
all
the
pest
33
to
53%.
On
basis
various
field
trials
conducted
neem
insecticidal
soap
(NIS
@
2.5
%)
horticultural
mineral
oil
(HP
spray
2%
solution)
effective
against
major
pests.
In
case
severe
infestation
imidacloprid
(17.8
SL)
a.i.
0.075
%
cartap
hydrochloride
4G
100g/
tree
resulted
their
efficient
suppression.
As
such
these
treatments
incorporated
grower
specific
IPM
modules
evaluated
for
two
years.
Amongst
tested
modules,
integrated
module
(M1)
followed
pesticide
(M3)
most
effective.
However,
resource
poor
farmers
non-disruptive
cultural
M1
organic
growers
M2
could
be
alternatively
practiced.
It
was
concluded
that
scale
psyllids,
insecticide
protection
is
necessary
but
lace
bug
managed
methods.
Olives,
one
of
the
world's
oldest
and
most
significant
cultivated
crops,
face
persistent
threats
from
various
diseases,
devastatingly
affecting
olive
production
quality.
In
this
era
technological
advancement,
integration
Convolutional
Neural
Networks
(CNNs)
has
emerged
as
a
promising
tool
for
early
accurate
identification
diseases
in
agricultural
crops.
This
work
presents
novel
solution
CNNs
automated
plants
3
categories
(aculus
olearius
healthy
peacock
spot).
To
further
enhance
practicality
real-time
applicability
proposed
system,
an
implementation
Field-Programmable
Gate
Arrays
(FPGAs)
is
explored.
study
delves
into
FPGA-based
deployment
CNN
solution,
optimizing
its
computational
efficiency
on-site
disease
diagnosis
with
98.82%
accuracy
rate.
The
results
reveal
potential
revolutionizing
management,
enabling
intervention
precise
treatment.
Additionally,
FPGA
demonstrates
feasibility
deploying
such
advanced
models
where
immediate
decision-making
crucial
crop
protection.
analysis
paves
way
sustainable
cultivation
practices,
ensuring
longevity
resilience
invaluable
evolving
challenges.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: March 7, 2024
A
trial
was
carried
out
in
central
Italy
an
olive
orchard
of
cultivar
Moraiolo,
highly
infected
by
Venturia
oleaginea
.
The
aim
the
investigation
to
evaluate
effects
autumn
and
spring
applications
copper
oxychloride
or
dodine
control
disease.
Non
treated
trees
were
used
as
control.
fungal
attacks
on
leaves
inflorescence
development
confirmed
high
susceptibility
Moraiolo
results
show
that
heavily
infected,
but
with
most
at
early
stage
disease
(asymptomatic
phase),
treatments
had
a
curative
effect,
consequent
reduction
appearance
symptomatic
defoliation
respect
copper-treated
trees.
use
against
autumnal
V.
allowed
old
be
maintained
until
new
ones
formed,
which
is
important
for
growth
processes
during
part
growing
season.
Overall,
indicate
efficiently
pathogen
using
compounds,
must
start
soon
after
beginning
attack
repeated
order
maintain
infection
low
level.
Dodine
can
if
there
great
increase
leaves.
solve
particular
situations
not
normal
regulated
fact
some
countries,
included,
protocols
integrated
pest
management
allow
only
one
treatment/year.
