Agronomy,
Journal Year:
2022,
Volume and Issue:
12(5), P. 1043 - 1043
Published: April 27, 2022
The
biostimulant
segment
is
becoming
increasingly
important
worldwide.
One
of
the
reasons
for
this
that
fewer
plant
protection
products
are
placed
on
market
in
European
Union,
and
environmental
sustainability
also
plays
an
role
their
use.
Biostimulants
often
used
several
horticultural
sectors,
including
ornamentals,
to
strengthen
plants,
achieve
commercial
standards,
produce
quality
goods,
increase
vitality,
aid
harvesting.
This
paper
presents
latest
results
use
biostimulants
horticulture,
with
special
emphasis
ornamental
production.
legal
regulation
regulatory
mechanisms
described
detail
review.
main
groups
discussed.
response
plants
abiotic
stress,
particular
physiological,
anatomical,
genetic
changes,
regard
application
detailed.
Focus
given
areas
crop
production,
such
as
sexual
asexual
propagation,
cultivation,
harvesting,
where
used.
Plants,
Journal Year:
2021,
Volume and Issue:
10(3), P. 531 - 531
Published: March 12, 2021
The
use
of
seaweed-based
bioproducts
has
been
gaining
momentum
in
crop
production
systems
owing
to
their
unique
bioactive
components
and
effects.
They
have
phytostimulatory
properties
that
result
increased
plant
growth
yield
parameters
several
important
plants.
phytoelicitor
activity
as
evoke
defense
responses
plants
contribute
resistance
pests,
diseases,
abiotic
stresses
including
drought,
salinity,
cold.
This
is
often
linked
the
upregulation
defense-related
genes
pathways
system,
priming
defenses
against
future
attacks.
also
phytohormonal
due
specific
interaction
with
regulation.
Treatment
by
seaweed
extracts
products
causes
significant
changes
microbiome
soil
support
sustainable
growth.
Seaweed
contain
a
plethora
substances
which
are
mostly
organic,
but
trace
levels
inorganic
nutrient
elements
present.
Fractionation
into
respective
bioassays,
however,
not
yielded
favorable
Only
whole
consistently
proven
be
very
effective,
highlights
role
multiple
complex
interactive
effects
on
processes.
Since
highly
they
ideally
suited
for
organic
farming
environmentally
sensitive
production.
compatible
other
inputs,
paving
way
an
integrated
management
approach
geared
towards
sustainability.
current
review
discusses
functional
evoked
modes
mechanisms
action
responsible
elicitor
activities.
further
analyses
potential
value
Ecotoxicology and Environmental Safety,
Journal Year:
2020,
Volume and Issue:
207, P. 111225 - 111225
Published: Sept. 8, 2020
Hormesis
is
a
favorable
response
to
low
level
exposures
substance
or
adverse
conditions.
This
phenomenon
has
become
target
achieve
greater
crop
productivity.
review
aimed
address
the
physiological
mechanisms
for
induction
of
hormesis
in
plants.
Some
herbicides
present
hormetic
dose
response.
Among
them,
those
with
active
ingredients
glyphosate,
2,4-D
and
paraquat.
The
application
glyphosate
as
promoter
therefore
showing
promess
.
Glyphosate
prominent
role
shikimic
acid
pathway,
decreasing
lignin
synthesis
resulting
improved
growth
productivity
several
crops.
Further
studies
are
still
needed
estimate
optimal
doses
other
crops
agricultural
interest.
Biostimulants
also
important,
since
they
promote
effects
on
secondary
metabolic
pathways
production
reactive
oxygen
species
(ROS).
When
ROS
produced,
hydrogen
peroxide
act
signaling
molecule
that
cell
walls
malleability
allowing
inward
water
transport
causing
expansion.
Plants'ability
overcome
abiotic
stress
conditions
desirable
avoid
losses
economic
losses.
compiles
information
how
plants
can
be
used
new
levels.
Biomolecules,
Journal Year:
2021,
Volume and Issue:
11(5), P. 698 - 698
Published: May 7, 2021
Biostimulants,
are
a
diverse
class
of
compounds
including
substances
or
microorganism
which
have
positive
impacts
on
plant
growth,
yield
and
chemical
composition
as
well
boosting
effects
to
biotic
abiotic
stress
tolerance.
The
major
biostimulants
hydrolysates
animal
protein
other
that
contain
nitrogen,
humic
substances,
extracts
seaweeds,
biopolymers,
microbial
origin,
phosphite,
silicon,
among
others.
mechanisms
involved
in
the
protective
varied
depending
compound
and/or
crop
mostly
related
with
improved
physiological
processes
morphology
aspects
such
enhanced
root
formation
elongation,
increased
nutrient
uptake,
improvement
seed
germination
rates
better
establishment,
cation
exchange,
decreased
leaching,
detoxification
heavy
metals,
stomatal
conductance
transpiration
stimulation
immune
systems
against
stressors.
aim
this
review
was
provide
an
overview
application
different
crops
within
framework
sustainable
management,
aiming
gather
critical
information
regarding
their
growth
yield,
quality
final
product.
Moreover,
main
limitations
practice
future
prospects
research
will
be
presented.
Biomolecules,
Journal Year:
2021,
Volume and Issue:
11(8), P. 1096 - 1096
Published: July 25, 2021
As
the
world
develops
and
population
increases,
so
too
does
demand
for
higher
agricultural
output
with
lower
resources.
Plant
biostimulants
appear
to
be
one
of
more
prominent
sustainable
solutions,
given
their
natural
origin
potential
substitute
conventional
methods
in
agriculture.
Classified
based
on
source
rather
than
constitution,
such
as
humic
substances
(HS),
protein
hydrolysates
(PHs),
seaweed
extracts
(SWE)
microorganisms
have
a
proven
improving
plant
growth,
increasing
crop
production
quality,
well
ameliorating
stress
effects.
However,
multi-molecular
nature
varying
composition
commercially
available
presents
challenges
when
attempting
elucidate
underlying
mechanisms.
While
most
research
has
focused
broad
effects
crops,
recent
studies
at
molecular
level
started
unravel
pathways
triggered
by
certain
products
cellular
gene
level.
Understanding
influences
involved
could
lead
further
refinement
these
treatments.
This
review
comprises
findings
regarding
use
plants,
particular
focus
reports
influence.
Antioxidants,
Journal Year:
2024,
Volume and Issue:
13(3), P. 318 - 318
Published: March 6, 2024
Modern
agriculture
is
being
challenged
by
deteriorating
edaphoclimatic
conditions
and
increasing
anthropogenic
pressure.
This
necessitates
the
development
of
innovative
crop
production
systems
that
can
sustainably
meet
demands
a
growing
world
population
while
minimizing
environmental
impact.
The
use
plant
biostimulants
gaining
ground
as
safe
ecologically
sound
approach
to
improving
yields.
In
this
review,
obtained
from
different
higher
sources
are
presented
under
term
plant-derived
(hPDBs).
Their
mechanisms
action
regulate
physiological
processes
in
plants
germination
fructification,
conditioned
responses
induced
mineral
nutrition
primary
metabolism,
specialized
photosynthetic
processes,
oxidative
signaling-related
processes.
aim
review
collect
unify
abundant
information
dispersed
literature
on
effects
these
biostimulants,
focusing
crops
subjected
abiotic
stress
underlying
action.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: July 17, 2024
The
best
environment
for
plant
growth
and
development
contains
certain
essential
metabolites.
A
broad
category
of
metabolites
known
as
"plant
biostimulants"
(PBs)
includes
biomolecules
such
proteins,
carbohydrates,
lipids,
other
secondary
related
to
groups
terpenes,
specific
nitrogen-containing
compounds,
benzene
ring-conjugated
compounds.
formation
depends
on
both
biotic
abiotic
factors,
the
release
PB
by
plants,
animals,
microorganisms,
or
it
can
result
from
control
temperature,
humidity,
pressure
in
atmosphere,
case
humic
substances
(HSs).
Understanding
genomic
outputs
concerned
organism
(may
be
plants
others
than
them)
becomes
crucial
identifying
underlying
behaviors
that
lead
synthesis
these
complex
For
purposes
achieving
objectives
sustainable
agriculture,
detailed
research
PBs
is
because
they
aid
increasing
yield
patterns
agro-economic
crops.
regulation
homeostasis
plant-soil-microbe
system
survival
humans
animals
mediated
action
biostimulants,
considered
plants.
size
gene
operons
functional
have
so
far
been
revealed
through
technological
implementations,
but
important
annotations
are
still
lacking,
causing
a
delay
revealing
information.
Next-generation
sequencing
techniques,
nanopore,
nanoball,
Illumina,
troubleshooting
information
gaps.
These
technical
advancements
greatly
expanded
candidate
openings.
being
precursors
need
studied
much
wider
scale
accurate
calculations
biochemical
reactions,
taking
place
inside
outside
synthesized
living
cell.
present
review
highlights
techniques
provide
foundation
opportunity
generation
agricultural
sustainability.
Agronomy,
Journal Year:
2019,
Volume and Issue:
9(2), P. 105 - 105
Published: Feb. 22, 2019
The
use
of
biostimulants
with
plant
growth-promoting
properties,
but
without
significant
input
nutrients,
is
discussed
as
a
strategy
to
increase
stress
resistance
and
nutrient
efficiency
crops.
However,
limited
reproducibility
under
real
production
conditions
remains
major
challenge.
combination
products
based
on
microbial
non-microbial
or
consortia,
the
aim
exploit
complementary
synergistic
interactions
flexibility
responses
different
environmental
conditions,
potential
overcome
this
problem.
This
study
aimed
at
comparing
selected
single-strain
inoculants
proven
plant-growth
promoting
versus
consortium
in
large-scale
tomato
cultivation
systems,
exposed
challenges.
In
protected
greenhouse
system
Timisoara,
Romania,
composted
cow
manure,
guano,
hair-,
feather-meals
fertilizers,
fungal
bacterial
inoculants,
well
products,
showed
very
similar
beneficial
responses.
Nursery
performance,
fruit
setting,
size
distribution,
seasonal
yield
share,
cumulative
(39–84%
compared
control)
were
significantly
improved
over
two
growing
periods.
By
contrast,
superior
performance
consortia
(MCPs)
was
recorded
more
challenging
an
open-field
drip-fertigated
Negev
desert,
Israel
mineral
fertilization
high
pH
(7.9),
low
fertility,
sandy
soil.
reflected
by
phosphate
(P)
acquisition,
stimulation
vegetative
shoot
biomass
increased
final
P
supply.
Moreover,
MCP
inoculation
associated
selective
changes
rhizosphere-bacterial
community
structure
particularly
respect
Sphingobacteriia
Flavobacteria,
reported
salinity
indicators
drought
protectants.
Phosphate
limitation
reduced
diversity
populations
root
surface
(rhizoplane)
effect
reverted
inoculation,
reflecting
status
plants.
results
support
hypothesis
that
can
BS-assisted
strategies
for
crop
production,
conditions.
Agronomy,
Journal Year:
2019,
Volume and Issue:
9(8), P. 450 - 450
Published: Aug. 14, 2019
Plant-derived
protein
hydrolysates
(PHs)
are
gaining
prominence
as
biostimulants
due
to
their
potential
improve
yield
and
nutritional
quality
even
under
suboptimal
nutrient
regimens.
In
this
study,
we
investigated
the
effects
of
foliar
application
a
legume-derived
PH
(0
or
4
mL
L−1)
on
greenhouse
baby
spinach
(Spinacia
oleracea
L.)
four
nitrogen
(N)
fertilization
levels
(0,
15,
30,
45
kg
ha−1)
by
evaluating
morphological
colorimetric
parameters,
mineral
composition,
carbohydrates,
proteins,
amino
acids.
The
fresh
in
untreated
biostimulant-treated
plants
increased
response
an
increase
N
from
1
up
30
ha−1,
reaching
plateau
thereafter
indicating
luxury
consumption
at
ha−1.
Increasing
rate,
independently
PH,
lead
significant
all
acids
with
exception
alanine,
GABA,
leucine,
lysine,
methionine,
ornithine
but
decreased
polyphenols
content.
Interestingly,
0
15
ha−1
was
clearly
greater
PH-treated
compared
33.3%
24.9%,
respectively.
This
associated
presence
small
peptides
‘Trainer®’,
which
act
signaling
molecules
eliciting
auxin-
and/or
gibberellin-like
activities
both
leaves
roots
thus
inducing
“nutrient
acquisition
response”
that
enhances
nutrients
assimilation
(high
P,
Ca,
Mg
accumulation)
well
photochemical
efficiency
activity
photosystem
II
(higher
SPAD
index).
Foliar
applications
commercial
content,
other
hand
strongly
total
acid
content
(+45%,
+82%,
+59%
0,
respectively)
not
45-kg
ha−1-rate.
Overall,
use
could
represent
sustainable
tool
for
boosting
coping
soil
fertility
problems
low
input
