Wasit Journal of Pure sciences,
Год журнала:
2024,
Номер
3(4), С. 260 - 272
Опубликована: Дек. 30, 2024
The
present
study
undertakes
the
phytochemical
analysis
of
Onopordum
acanthium
L.,
commonly
named
Scotch
thistle,
collected
from
five
different
places
in
western
region
Iraq,
for
its
antioxidant
activities.
Consequently,
an
attempt
to
identify
chemical
composition
plant
Al-Karmah,
Ramadi,
Hit,
Fallujah,
and
Al-Qaim,
respectively,
was
stated
on
strength
GC-MS
technology.
outcomes
showed
a
region-inducing,
high
variability
profile
this
with
active
compounds
range
18
29,
which
is
highest
number
Hit
indicating
richer
biodiversity
or
favorable
environmental
conditions
area.
Compounds
detected
all
regions
included
neovitadiene
hexadecanoic
acid
methyl
ester,
are
critical
building
blocks
plant's
metabolic
framework
survival
at
scales.
Antioxidant
activity
O.
also
performed,
sample
Ramadi
presented
scavenging
activity,
86%
±
0.05,
reflecting
higher
potential.
In
contrast,
lowest
found
samples
51%
0.32,
probably
due
less
appropriate
conditions.
underlines
importance
regional
factors
affecting
biosynthesis
secondary
metabolites
acanthium.
such
have
pronounced
impact
properties
plant,
might
be
interest
pharmacy
agriculture.
Also,
presence
ascorbic
shows
that
can
very
useful
natural
antioxidants;
thus,
other
studies
could
developed
medicinal
nutritional
use.
Plants,
Год журнала:
2024,
Номер
13(22), С. 3162 - 3162
Опубликована: Ноя. 11, 2024
The
invasion
of
non-native
plant
species
presents
a
significant
ecological
challenge
worldwide,
impacting
native
ecosystems
and
biodiversity.
These
invasive
significantly
affect
the
ecosystem.
threat
having
harmful
effects
on
natural
ecosystem
is
serious
concern.
Invasive
produce
secondary
metabolites,
which
not
only
help
in
growth
development
but
are
also
essential
for
spread
these
species.
This
review
highlights
important
functions
metabolites
invasion,
particularly
their
effect
allelopathy,
defense
system,
interaction
with
micro
soil
biota,
competitive
advantages.
Secondary
produced
by
play
an
role
affecting
allelopathic
interactions
herbivory.
They
sometimes
change
chemistry
to
make
viable
condition
proliferation.
inhibit
changing
resources
available
them.
Therefore,
it
necessary
understand
this
complicated
between
invasion.
mainly
summarizes
all
known
species,
emphasizing
significance
integrated
weed
management
research.
ACS Agricultural Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Globally,
food
security
has
become
a
severe
issue
with
the
increase
in
world
population.
Infestations
of
weeds
are
well
acknowledged
as
significant
biological
constraint
to
crop
yield
across
agroecosystems
and
seasons.
However,
high
labor
costs
have
led
decline
use
conventional
manual
weeding
methods,
this
trend
been
mirrored
worldwide
by
an
synthetic
herbicides.
Continuous
herbicides
increases
possibility
herbicide
resistance,
contaminated
agricultural
goods,
adverse
impacts
on
environment
human
health.
Because
these
issues,
researchers
now
interested
finding
alternatives
There
is
no
single
effective
solution
for
combating
weeds;
therefore,
review
focuses
developing
implementing
more
sustainable
weed
management
that
involves
cultural,
mechanical,
control,
efficient
chemical
artificial
intelligence.
The
synthesizes
findings
from
wide
range
peer-reviewed
studies,
case
reports,
extension
documents.
By
examining
current
state
offers
valuable
insights
both
organic
growers
seeking
manage
populations
while
minimizing
environmental
impact.
Ultimately,
it
aims
contribute
global
promoting
resilient
practices.
Grassroots Journal of Natural Resources,
Год журнала:
2024,
Номер
7(1), С. 1 - 20
Опубликована: Март 7, 2024
This
study
investigates
the
allelopathic
effects
of
root
exudate
extracts
from
Chromolaena
odorata
on
germination
and
growth
six
crop
species.
The
results
reveal
variable
sensitivity
among
species,
with
control
treatment
consistently
exhibiting
superior
percentages.
Initially,
some
including
Abelmoschus
esculentus
(okra),
Solanum
lycopersicum
(tomato),
Cicer
arietinum
(chickpea),
experienced
a
substantial
decline
in
germination,
indicating
potential
inhibitory
effect
exudates,
although
partial
recovery
was
observed
subsequent
treatments.
Phaseolus
vulgaris
(common
bean)
displayed
moderate
decrease,
while
Zea
mays
(corn)
exhibited
most
significant
drop
rates,
albeit
slight
at
higher
concentrations
exudates.
Conversely,
Cucumis
sativus
(cucumber)
appeared
least
affected
by
Moreover,
all
species
demonstrated
reductions
shoot
lengths
increasing
Chlorophyll
content
analysis
revealed
reduction
across
treatments,
highlighting
concerns
regarding
photosynthetic
efficiency
overall
plant
health.
species-specific
response
to
exudates
suggests
varying
metabolic
or
adaptive
mechanisms
crops.
Additionally,
malondialdehyde
(MDA)
levels,
indicative
oxidative
stress,
varied
A.
P.
showing
dose-dependent
increase,
S.
peak
intermediate
levels.
Z.
marginal
elevation
MDA
content,
potentially
presence
protective
compounds
within
C.
showed
steady
increase
MDA,
suggesting
limited
mitigation
effects.
These
findings
feature
complexity
interactions
highlight
need
for
further
research
into
active
their
modes
action
develop
sustainable
weed
management
strategies
safeguarding
Understanding
these
dynamics
is
crucial
maximizing
benefits
allelopathy
agriculture.
