Application of Mealworm Frass in Organic Seedling Production of Allium cepa L., Beta vulgaris L., and Brassica rapa L.
Seeds,
Journal Year:
2025,
Volume and Issue:
4(1), P. 4 - 4
Published: Jan. 8, 2025
Horticulture
is
mainly
based
on
transplanting
seedlings
produced
by
specialized
nurseries.
The
recent
European
authorization
of
frass
in
organic
farming
presents
new
opportunities
for
the
development
seedling
production.
Frass,
a
by-product
insect
farming,
offers
innovative
solutions
this
sector.
It
consists
excrement,
exuviae,
and
uningested
feed.
Their
fertilizing
biostimulating
effects
have
been
demonstrated
various
pot
field
crops
experiments.
However,
current
knowledge
regarding
application
production
remains
insufficient.
This
study
aims
to
assess
optimal
dose
mealworm
germination
substrates
Allium
cepa
L.,
Beta
vulgaris
Brassica
rapa
L.
Germination
phytotoxicity
tests
were
carried
out,
with
evaluated
one
month
after
sowing
containing
at
concentrations
0.5%,
1%,
2%,
3%
frass.
test
revealed
that
dilution
1:100
phytostimulant
effect
A.
moderate
phytotoxic
B.
rapa.
concentration
0.5–1%
was
generally
most
effective
dose,
although
all
doses
substrate
resulted
whose
root
length,
leaf
number
leaves,
biomass
significantly
higher
than
control.
In
conclusion,
low
promising
allows
management
potential
phytotoxicity.
Language: Английский
Silicon-Mediated Interactions Between Plant Antagonists
Plants,
Journal Year:
2025,
Volume and Issue:
14(8), P. 1204 - 1204
Published: April 14, 2025
The
prolonged
arms
race
between
plants
and
their
antagonists
has
resulted
in
the
evolution
of
multiple
plant
defence
mechanisms
to
combat
attacks
by
pests
pathogens.
Silicon
(Si)
accumulation
occurs
mainly
grasses
provides
a
physical
barrier
against
antagonists.
Biochemical
pathways
may
also
be
involved
Si-mediated
resistance,
although
precise
mode
action
this
case
is
less
clear.
Most
studies
have
focussed
on
Si-based
effects
single
attackers.
In
review,
we
consider
how
resistance
operates
when
simultaneously
and/or
sequentially
attacked
insect
herbivores,
fungal
phytopathogens,
parasitic
nematodes
hormones
jasmonic
acid
(JA)
salicylic
(SA)
are
involved.
Si
mediate
both
intra-
interspecific
competition
facilitation.
been
found
impact
plant-mediated
interactions
herbivores
within
same
feeding
guild
across
different
guilds,
with
varying
patterns
JA
SA.
These
results
suggest
that
hormonal
crosstalk
play
role
effects,
finding
varied
studies.
While
some
reports
support
notion
linked
responses,
others
indicate
supplementation
reduces
production.
terms
SA
not
defences.
Improving
our
understanding
could
beneficial
for
sustainable
agriculture
under
future
climates.
Language: Английский