Agronomy,
Journal Year:
2023,
Volume and Issue:
13(3), P. 841 - 841
Published: March 13, 2023
In
this
study,
rapid
resistance
in-season
quick
(RISQ)
tests
were
developed
for
detecting
the
in
Echinochloa
spp.
to
penoxsulam,
metamifop,
and
quinclorac,
which
are
widely
used
rice
fields
control
E.
biotypes.
Seedlings
1–2
leaf
stages
from
nine
biotypes
of
crusgalli,
crusgalli
var.
zelayensis,
glabrescens,
with
different
susceptibility
three
herbicides
tested,
transplanted
plates
containing
nutrient
agar
rates
herbicides.
The
survival
recorded
at
8
days
after
treatment
when
no
more
new
roots
emerged
all
treatments.
By
comparing
results
RISQ
whole-plant
pot
bioassays
statistically,
discrimination
could
be
determined
distinguish
resistant
plants
susceptible
plants.
For
0.3,
0.6,
2.4
µmol/L,
respectively.
Two
additional
collected
confirm
validation
test
obtained
by
consistent
that
bioassay.
Therefore,
would
a
possible
alternative
method
determine
certain
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2024,
Volume and Issue:
99(3), P. 753 - 777
Published: Jan. 4, 2024
ABSTRACT
Weed
communities
influence
the
dynamics
of
ecosystems,
particularly
in
disturbed
environments
where
anthropogenic
activities
often
result
higher
pollution.
Understanding
existing
between
native
weed
and
invasive
species
is
crucial
for
effective
management
normal
ecosystem
functioning.
Recognising
potential
resistance
to
invasion
can
help
identify
suitable
plants
restoration
operations.
This
review
aims
investigate
adaptations
exhibited
by
non‐native
weeds
that
may
affect
invasions
within
environments.
Factors
such
as
ecological
characteristics,
altered
soil
conditions,
potentially
confer
a
competitive
advantage
relative
or
are
analysed.
Moreover,
roles
biotic
interactions
competition,
mutualistic
relationships,
allelopathy
shaping
described.
Emphasis
given
consideration
key
factor
provides
insights
conservation
efforts
Additionally,
this
underscores
need
further
research
unravel
underlying
mechanisms
devise
targeted
strategies.
These
strategies
aim
promote
mitigate
negative
effects
By
delving
deeper
into
these
insights,
we
gain
an
understanding
ecosystems
develop
valuable
species,
restore
long‐term
sustainability.
Journal of Environmental Management,
Journal Year:
2023,
Volume and Issue:
336, P. 117693 - 117693
Published: March 11, 2023
Invasive
plant
species
pose
a
direct
threat
to
biodiversity
and
ecosystem
services.
Among
these,
Rosa
rugosa
has
had
severe
impact
on
Baltic
coastal
ecosystems
in
recent
decades.
Accurate
mapping
monitoring
tools
are
essential
quantify
the
location
spatial
extent
of
invasive
support
eradication
programs.
In
this
paper
we
combined
RGB
images
obtained
using
an
Unoccupied
Aerial
Vehicle,
with
multispectral
PlanetScope
map
R.
at
seven
locations
along
Estonian
coastline.
We
used
RGB-based
vegetation
indices
3D
canopy
metrics
combination
random
forest
algorithm
thickets,
obtaining
high
accuracies
(Sensitivity
=
0.92,
specificity
0.96).
then
presence/absence
maps
as
training
dataset
predict
fractional
cover
based
derived
from
constellation
Extreme
Gradient
Boosting
(XGBoost).
The
XGBoost
yielded
prediction
(RMSE
0.11,
R2
0.70).
An
in-depth
accuracy
assessment
site-specific
validations
revealed
notable
differences
between
study
sites
(highest
0.74,
lowest
0.03).
attribute
these
various
stages
invasion
density
thickets.
conclusion,
UAV
is
cost-effective
method
highly
heterogeneous
ecosystems.
propose
approach
valuable
tool
extend
local
geographical
scope
assessments
into
wider
areas
regional
evaluations.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 28, 2025
Phosphorus
(P)
and
nitrogen
(N)
directly
impact
final
crop
productivity
by
playing
essential
roles
in
photosynthesis,
ATP
formation,
carbon
assimilation,
cell
division,
transport.
Compared
with
nutrient
application
to
soil,
the
nutrients
are
applied
leaves
provides
a
faster
response
because
enter
plant
metabolism
more
quickly.
Foliar
fertilization
nutritional
supplements
can
intend
increase
yields,
little
is
known
about
its
ability
reduce
oxidative
stress.
This
study
evaluated
effects
of
foliar
on
recovery
from
phytotoxicity
induced
herbicide
exposure.
Phytotoxicity
was
soybean,
maize,
cotton
plants
applying
carfentrazone-ethyl
(at
V
3
,
4
growth
stages,
respectively),
which
induces
accumulation
reactive
oxygen
species
cytoplasm,
leading
membrane
rupture
appearance
chlorotic
spots
leaves.
induction
followed
monoammonium
phosphate
(MAP)
as
source
N
P.
Leaf
content,
gas
exchange
performance,
pigment
photosynthetic
enzyme
activity,
antioxidant
metabolism,
stress,
proline
metabolite
biometric
parameters
were
evaluated.
MAP
supplementation
increased
chlorophyll
RuBisCO
activity
up
20.5%
(maize)
16.2%
(cotton),
respectively,
resulting
higher
net
rates
(26.3%;
cotton),
stomatal
conductance
(45.7%;
water
use
efficiency
(35.6%;
carboxylation
(45%;
cotton).
The
activities
enzymes
also
increased,
concentrations
stress
indicators
decreased
(H
2
O
:
33.7%
MDA:
28.3%;
soybean).
Furthermore,
all
three
crops
suggesting
that
an
efficient
strategy
for
attenuating
symptoms
crops.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
162, P. 112061 - 112061
Published: April 21, 2024
Despite
water
ecosystems
being
capable
of
sustaining
biodiversity
and
enhancing
the
overall
resilience
urban
environment,
they
are
highly
susceptible
to
biological
invasions.
Invasive
aquatic
plants
(IAPs)
threaten
natural
environment
by
reducing
diversity
native
animal
communities.
Detecting
IAPs
mapping
their
distribution
is
crucial
for
protection
ecosystems.
This
study
first
its
kind
use
high-resolution
unmanned
aerial
vehicle
(UAV)
imagery
deep
learning
approaches
monitor
expansion
Pistia
stratiotes
(water
lettuce).
A
DJI
Matrice
300
RTK
was
utilized
capture
time-series
images
with
a
resolution
0.018
m
on
Guanyin
Lake,
Cangshan
District,
Fuzhzou,
China,
during
an
outbreak
subsequent
rapid
growth
stage
lettuce.
Three
model
architectures
three
backbones
were
combined
detect
Model
performance
ability
generalize
evaluated
determine
optimal
lettuce
detection
from
UAV
imagery.
Results
show
that
DeepLabv3
+
ResNet-34
achieved
superior
in
detecting
imagery,
yielding
average
accuracy
90.24
%
(85.33
%≤F1_score
≤
96.54
%)
five
different
dates.
For
image
acquired
September
26th,
U-Net
ResNet-18
yielded
highest
(F1_score
=
92.46
%),
but
it
not
multi-temporal
The
can
have
large
variations
at
times,
change
rate
49.50
every
two
days
up
60.33
%.
demonstrates
combination
achieve
excellent
monitoring
provide
method
map
dynamic
systems
over
time.
Agronomy,
Journal Year:
2023,
Volume and Issue:
13(4), P. 1060 - 1060
Published: April 5, 2023
The
industrial
hemp
market
is
rapidly
expanding,
and
best
crop
practices
need
to
be
assessed.
This
study
aimed
determine
the
effect
of
fertilization
weed
management
on
crops
flora
during
2019
2020
growing
seasons.
Field
experiments
were
laid
out
in
a
split–split
plot
design
with
three
replicates:
two
cultivars
as
main
plots,
treatments
sub-plots,
sub-sub-plots
(weedy,
weed-free,
herbicide
application).
For
computation
traits,
10
plants
randomly
selected
by
each
plot.
Weed
species
collected
quadrate
for
density
biomass
weight
determination.
Increased
rate
positively
affected
plant
height
dry
biomass,
while
no
impact
was
recorded
yield
components.
nitrophilous
weeds
enhanced
fertilization,
negatively
affecting
growth.
Marked
differences
competitive
ability
since
“Fedora
17”
decreased
studied
traits
better
than
“Uso
31”.
Herbicide
application
annual
perennial
38%
13%,
respectively,
it
caused
reduction
growth
31”
plants.
Further
research
should
conducted
address
losses
under
different
cultural
control
systems.
Frontiers of Agricultural Science and Engineering,
Journal Year:
2024,
Volume and Issue:
0(0), P. 0 - 0
Published: Jan. 1, 2024
●
Machine
learning
offers
innovative
and
sustainable
weed
management
approaches.
Herbicide
use
environmental
impact
can
be
reduced
through
machine
learning.
models
classify
species
optimize
herbicide
usage.
Real-time
monitoring
of
invasive
is
possible
with
Weed
a
crucial
aspect
modern
agriculture
as
plants
negatively
crop
yields
profitability.
Long-established
methods
control,
such
manual
labor
synthetic
herbicides,
have
been
widely
used
but
come
their
own
set
challenges.
These
are
often
time-consuming,
labor-intensive,
pose
risks.
Herbicides
the
primary
method
control
due
to
efficiency
cost-effectiveness.
However,
over-reliance
on
herbicides
has
led
contamination,
resistance,
potential
health
hazards.
To
address
these
issues,
researchers
industry
experts
now
exploring
integration
into
chemical
strategies.
As
technology
advances,
there
growing
interest
in
This
review
examines
management.
approaches
by
analyzing
large
data
sets,
recognizing
patterns,
making
accurate
predictions.
enables
timely
intervention,
preventing
spread.
Integrating
holds
promise
for
enhancing
agricultural
practices,
reducing
usage
minimizing
impact.
Validation
refinement
algorithms
needed
practical
application.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
152, P. 110354 - 110354
Published: May 19, 2023
Loss
of
crop
yield
due
to
non-native
invasive
pests
is
a
global
phenomenon
with
profound
population,
biodiversity,
ecosystem,
and
economic
impacts.
The
polyphagous
migratory
fall
armyworm
(FAW)
Spodoptera
frugiperda
(Lepidoptera,
Noctuidae)
has
become
major
pest
around
the
globe
in
past
decade,
posing
great
threat
food
security.
Early
warning
timely
detection
this
its
associated
agricultural
risks
are
essential
for
preventing,
intervening,
controlling,
mitigating
invasion
threats,
which
could
reduce
losses
damage.
However,
one
key
challenge
how
effectively
accurately
monitor
as
soon
possible
prior
their
establishment.
Here,
we
aimed
determine
effectiveness
four
different
methods
identifying
presence
FAW,
namely
DNA
metabarcoding,
field
survey,
light
trap,
sex
pheromone
trap.
We
collected
fecal
samples
six
bat
species
FAW
colonization
area,
including
Rhinolophus
pearsonii,
rex,
Ia
io,
Myotis
altarium,
pilosus,
chinensis.
then
utilized
through
metabarcoding
during
early
establishment
stages
compared
approach
three
traditional
surveillance
methods.
results
revealed
interspecific
differences
occurrence
frequency
species.
Furthermore,
successfully
monitored
nearly
month
advance
approaches,
coincides
adult
migration
time
larval
counterparts
found
based
on
effective
accumulated
temperature
calculations.
Our
showed
that
dietary
analysis
generalist
insectivorous
bats
can
be
an
effective,
noninvasive,
economically
viable
tool
monitoring
inform
management
decisions.