Horticulturae,
Journal Year:
2024,
Volume and Issue:
10(11), P. 1124 - 1124
Published: Oct. 22, 2024
Citrus
diseases
are
significant
threats
to
citrus
groves,
causing
financial
losses
through
reduced
fruit
size,
blemishes,
premature
drop,
and
tree
death.
The
detection
of
via
leaf
inspection
can
improve
grove
management
mitigation
efforts.
This
study
explores
the
potential
a
portable
reflectance
fluorescence
hyperspectral
imaging
(HSI)
system
for
detecting
classifying
control
group
diseases,
including
canker,
Huanglongbing
(HLB),
greasy
spot,
melanose,
scab,
zinc
deficiency.
HSI
was
used
simultaneously
collect
images
from
front
back
sides
leaves.
Nine
machine
learning
classifiers
were
trained
using
full
spectra
spectral
bands
selected
principal
component
analysis
(PCA)
with
pixel-based
leaf-based
spectra.
A
support
vector
(SVM)
classifier
achieved
highest
overall
classification
accuracy
90.7%
when
employing
combined
data
side
leaves,
whereas
discriminant
yielded
best
94.5%
analysis.
Among
control,
melanose
classified
most
accurately,
each
over
90%
accuracy.
Therefore,
integration
advanced
techniques
demonstrated
capability
accurately
detect
classify
these
high
precision.
Artificial Intelligence in Agriculture,
Journal Year:
2024,
Volume and Issue:
12, P. 127 - 151
Published: May 13, 2024
Plant
disease
detection
has
played
a
significant
role
in
combating
plant
diseases
that
pose
threat
to
global
agriculture
and
food
security.
Detecting
these
early
can
help
mitigate
their
impact
ensure
healthy
crop
yields.
Machine
learning
algorithms
have
emerged
as
powerful
tools
for
accurately
identifying
classifying
wide
range
of
from
trained
image
datasets
affected
crops.
These
algorithms,
including
deep
shown
remarkable
success
recognizing
patterns
signs
diseases.
Besides
detection,
there
are
other
potential
benefits
machine
overall
management,
such
soil
climatic
condition
predictions
plants,
pest
identification,
proximity
many
more.
Over
the
years,
research
focused
on
using
machine-learning
detection.
Nevertheless,
little
is
known
about
extent
which
community
explored
cover
areas
management.
In
view
this,
we
present
cross-comparative
review
applications
designed
with
specific
focus
four
(4)
economically
important
plants:
apple,
cassava,
cotton,
potato.
We
conducted
systematic
articles
published
between
2013
2023
explore
trends
over
years.
After
filtering
number
based
our
inclusion
criteria,
individual
prediction
accuracy
classes
associated
selected
113
were
considered
relevant.
From
articles,
analyzed
state-of-the-art
techniques,
challenges,
future
prospects
identification
plants.
Results
show
performed
significantly
well
detecting
addition,
found
few
references
management
covering
prevention,
diagnosis,
control,
monitoring.
or
no
work
recovery
Hence,
propose
opportunities
developing
learning-based
technologies
monitoring,
recovery.
Agriculture,
Journal Year:
2023,
Volume and Issue:
13(6), P. 1186 - 1186
Published: June 2, 2023
Early
crop
disease
detection
is
one
of
the
most
important
tasks
in
plant
protection.
The
purpose
this
work
was
to
evaluate
early
wheat
leaf
rust
possibility
using
hyperspectral
remote
sensing.
first
task
study
choose
tools
for
processing
and
analyze
sensing
data.
second
biochemical
profile
by
chromatographic
spectrophotometric
methods.
third
discuss
a
possible
relationship
between
data
results
from
leaves,
analysis.
used
an
interdisciplinary
approach,
including
methods,
as
well
As
result,
(1)
VIS-NIR
spectrometry
analysis
showed
high
correlation
with
data;
(2)
wavebands
identification
were
revealed
(502,
466,
598,
718,
534,
766,
694,
650,
866,
602,
858
nm).
An
accuracy
97–100%
achieved
fourth
dai
(day/s
after
inoculation)
SVM.
Remote Sensing,
Journal Year:
2023,
Volume and Issue:
15(20), P. 4934 - 4934
Published: Oct. 12, 2023
To
address
the
demands
of
precision
agriculture
and
measurement
plant
photosynthetic
response
nitrogen
status,
it
is
necessary
to
employ
advanced
methods
for
estimating
chlorophyll
content
quickly
non-destructively
at
a
large
scale.
Therefore,
we
explored
utilization
both
linear
regression
machine
learning
methodology
improve
prediction
leaf
(LCC)
in
citrus
trees
through
analysis
hyperspectral
reflectance
data
field
experiment.
And
relationship
between
phenology
LCC
estimation
was
also
tested
this
study.
The
tree
leaves
five
growth
seasons
(May,
June,
August,
October,
December)
were
measured
alongside
measurements
reflectance.
spectral
parameters
used
evaluating
using
univariate
(ULR),
multivariate
(MLR),
random
forest
(RFR),
K-nearest
neighbor
(KNNR),
support
vector
(SVR).
results
revealed
following:
MLR
models
(RFR,
KNNR,
SVR),
October
December,
performed
well
with
coefficient
determination
(R2)
greater
than
0.70.
In
ULR
model
best,
achieving
an
R2
0.69
root
mean
square
error
(RMSE)
8.92.
However,
RFR
demonstrated
highest
predictive
power
May,
December.
Furthermore,
accuracy
best
VOG2
Carte4
0.83
RMSE
6.67.
Our
findings
that
just
few
can
efficiently
estimate
trees,
showing
substantial
promise
implementation
large-scale
orchards.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(9), P. 1634 - 1634
Published: May 3, 2024
Powdery
mildew
significantly
impacts
the
yield
of
natural
rubber
by
being
one
predominant
diseases
that
affect
trees.
Accurate,
non-destructive
recognition
powdery
in
early
stage
is
essential
for
cultivation
management
The
objective
this
study
to
establish
a
technique
detection
trees
combining
spectral
and
physicochemical
parameter
features.
At
three
field
experiment
sites
laboratory,
spectroradiometer
hand-held
optical
leaf-clip
meter
were
utilized,
respectively,
measure
hyperspectral
reflectance
data
(350–2500
nm)
both
healthy
early-stage
powdery-mildew-infected
leaves.
Initially,
vegetation
indices
extracted
from
data,
wavelet
energy
coefficients
obtained
through
continuous
transform
(CWT).
Subsequently,
significant
(VIs)
selected
using
ReliefF
algorithm,
optimal
wavelengths
(OWs)
chosen
via
competitive
adaptive
reweighted
sampling.
Principal
component
analysis
was
used
dimensionality
reduction
coefficients,
resulting
features
(WFs).
To
evaluate
capability
aforementioned
features,
above,
along
with
their
combinations
(PFs)
(VIs
+
PFs,
OWs
WFs
PFs),
construct
six
classes
In
turn,
these
input
into
support
vector
machine
(SVM),
random
forest
(RF),
logistic
regression
(LR),
build
models
results
revealed
based
on
perform
well,
markedly
outperforming
those
constructed
VIs
as
inputs.
Moreover,
incorporating
combined
surpass
relying
single
an
overall
accuracy
(OA)
improvement
over
1.9%
increase
F1-Score
0.012.
model
combines
PFs
shows
superior
performance
all
other
models,
achieving
OAs
94.3%,
90.6%,
93.4%,
F1-Scores
0.952,
0.917,
0.941
SVM,
RF,
LR,
respectively.
Compared
alone,
improved
1.9%,
2.8%,
increased
0.017,
0.016,
This
showcases
viability
Forests,
Journal Year:
2023,
Volume and Issue:
14(8), P. 1566 - 1566
Published: July 31, 2023
Mangroves
have
important
roles
in
regulating
climate
change,
and
reducing
the
impact
of
wind
waves.
Analysis
chlorophyll
content
mangroves
is
for
monitoring
their
health,
conservation
management.
Thus,
this
study
aimed
to
apply
four
regression
models,
eXtreme
Gradient
Boosting
(XGBoost),
Random
Forest
(RF),
Partial
Least
Squares
(PLS)
Adaptive
(AdaBoost),
inversion
Soil
Plant
Development
(SPAD)
values
obtained
from
near-ground
hyperspectral
data
three
dominant
species,
Bruguiera
sexangula
(Lour.)
Poir.
(B.
sexangula),
Ceriops
tagal
(Perr.)
C.
B.
Rob.
(C.
tagal)
Rhizophora
apiculata
Blume
(R.
apiculata)
Qinglan
Port
Mangrove
Nature
Reserve.
The
accuracy
model
was
evaluated
using
R2,
RMSE,
MAE.
mean
SPAD
R.
(SPADavg
=
66.57),
with
a
smaller
dispersion
(coefficient
variation
6.59%),
were
higher
than
those
61.56)
58.60).
first-order
differential
transformation
spectral
improved
prediction
model;
R2
mostly
distributed
interval
0.4
0.8.
XGBoost
less
affected
by
species
differences
best
stability,
RMSE
at
approximately
3.5
MAE
2.85.
This
provides
technical
reference
large-scale
detection
management
mangroves.
Global
apple
harvests
are
seriously
threatened
by
Apple
Mosaic
Disease
(AMD),
which
calls
for
accurate
identification
and
scalable
control
measures.
This
study
uses
Deep
Learning
(DL)
Convolutional
Neural
Networks
(CNN)
Random
Forest
(RF)
models
to
investigate
AMD
categorization
across
four
severity
levels.
The
carefully
chooses
a
broad
leaf
dataset
that
includes
both
healthy
diseased
samples.
To
guarantee
consistency
capture
minor
differences,
the
is
rigorously
preprocessed.
large
serves
as
foundation
training
RF
CNN
models,
allows
them
identify
complex
patterns
unique
AMD.
put
through
extensive
get
thorough
understanding
of
complexity
AMD,
rigorous
validation
procedures
used
refine
parameters
improve
flexibility.
Diverse
performance
indicators
highlight
advantages
disadvantages
model
in
an
examination
unpublished
simulates
real-world
situations.
performs
admirably,
with
97.08%
diagnosis
accuracy
demonstrating
its
superior
ability
comprehend
disease
patterns.
On
other
hand,
phases
levels
effectively
distinguished
model.
represents
significant
advancement
treatment
agricultural
diseases
developing
accurate,
automated
methods
quick
detection.
Combining
state-of-the-art
DL
conventional
could
strengthen
crop
protection,
allow
prompt
interventions,
maximize
resource
allocation
sustainable
farming
methods.