JURNAL HUTAN LESTARI,
Год журнала:
2023,
Номер
11(1), С. 177 - 177
Опубликована: Март 17, 2023
Sengon
is
commonly
developed
by
community
forest
farmers
because
it
a
fast-growing
species
and
the
demand
for
wood
quite
high.
The
development
of
sengon
constrained
attack
gall
rust
disease
caused
fungus
Uromycladium
falcatarium.
Efforts
to
obtain
disease-resistant
plants
can
be
done
through
mutation
breeding,
one
which
using
gamma
rays.
This
study
aims
assess
resistance
M1
generation
disease.
seeds
were
irradiated
rays
at
doses
0,
25,
75,
125,
175
Gy.
that
had
been
germinated
sown
up
2
months
age.
Inoculation
U.
falcatarium
was
carried
out
on
seedlings
(1st
mutant)
M0
(control)
generations,
old.
number
used
in
each
dose
five
with
four
replications.
randomized
block
design
(RBD).
Observation
severity,
mortality
rate,
Data
analyzed
analysis
variance
(ANOVA)
then
least
significant
difference
(LSD)
level
5%.
results
showed
irradiation
effect
severity
17,
27,
37
days
after
isolation
(DAI).
levels
generations
(doses
125
Gy)
from
7
–
DAI
very
resistant-moderately
susceptible
category,
while
Gy
tended
resistant-resistant.Keywords:
rust,
irradiation,
breeding.
AbstrakSengon
umum
dikembangkan
petani
hutan
rakyat
karena
termasuk
jenis
cepat
tumbuh
dan
permintaan
kayunya
cukup
tinggi.
Pengembangan
terkendala
dengan
adanya
serangan
penyakit
karat
tumor
yang
disebabkan
oleh
jamur
Upaya
untuk
memperoleh
tanaman
tahan
dapat
dilakukan
melalui
pemuliaan
mutasi,
salah
satunya
sinar
gamma.
Penelitian
ini
bertujuan
mengaji
ketahanan
generasi
terhadap
tumor.
Benih
diiradiasi
menggunakan
dosis
telah
dikecambahkan
dipelihara
hingga
umur
bulan.
Inokulasi
pada
bibit
(mutan
ke-1)
(kontrol)
berumur
Jumlah
digunakan
masing-masing
sebanyak
5
empat
kali
ulangan.
disusun
rancangan
acak
kelompok
(RAK).
Pengamatan
meliputi
keparahan
penyakit,
tingkat
kematian,
resistensi
dianalisis
sidik
ragam
kemudian
analisis
beda
nyata
terkecil
(BNT)
taraf
Hasil
penelitian
menunjukkaan
bahwa
dosisi
iradiasi
berpengaruh
HSI.
Tingkat
(dosis
dari
HSI
masuk
dalam
kategori
sangat
resisten-cukup
rentan,
sedangkan
cenderung
resisten-resisten.Kata
kunci:
tumor,
gamma,
mutasi.
Microbial Cell Factories,
Год журнала:
2024,
Номер
23(1)
Опубликована: Фев. 26, 2024
Abstract
Owing
to
the
growing
need
for
natural
materials
in
different
fields,
studying
melanin
production
from
biological
sources
is
imperative.
In
current
study,
extracellular
pigment
was
produced
by
fungus
Curvularia
soli
AS21
ON076460.
The
factors
that
affect
of
were
optimized
Plackett-Burman
design
(P-BD).
effect
gamma
irradiation
on
productivity
investigated.
maximum
yield
(3.376
mg/L)
elicited
a
stimulus
at
1.0
kGy.
results
evoked
that,
ON076460
exhibited
excellent
antimicrobial
activity
against
all
tested
bacteria
and
fungi.
Klebsiella
pneumoniae
ATCC
13883
P.
digitatum
mostly
affected
registering
inhibition
zone
diameters
37.51
±
0.012
44.25
0.214
mm,
respectively.
Moreover,
indicated
significant
antiviral
efficacy
(77%
inhibition)
Herpes
simplex
virus
(HSV1).
showed
antioxidant
activities
with
IC
50
42
0.021
17
0.02
µg/mL
DPPH
NO,
Melanin
had
cytotoxic
action
human
breast
cancer
skin
cell
lines
(Mcf7and
A431)
as
well
exerting
low
percentage
death
normal
(Hfb4).
effective
wound
management
cells
63.04
1.83%
compared
control
(68.67
1.10%).
novelty
study
attributed
possibility
using
rays
safe
method
small
economic
doses
stimulate
fungi
have
been
isolated.
summary,
has
encourage
its
usage
supportive
medical
route.
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Июнь 30, 2022
Nuclear
technology
is
currently
used
as
a
tool
in
mutation
breeding
to
improve
crops
by
increasing
genetic
variation.
The
ionization
of
gamma
rays
produces
large
amounts
free
radicals,
simulating
stressors
the
natural
environment.
To
avoid
gamma-ray-induced
oxidative
stress,
plants
use
antioxidant
defense
systems.
Exposure
irradiation
can
affect
germination,
growth,
and
production
metabolites.
Plants'
sensitivity
depends
on
environmental
factors
such
moisture
content.
For
this
purpose,
effects
different
doses
[0,
100,
200,
300,
400
Gray
(Gy)]
seed
contents
(7,
13,
19%)
traits
seedling
molecular
biochemical
alterations
enzymes
were
examined
current
study.
Based
results,
highest
germination
percentage
was
observed
interaction
effect
at
13%
with
an
dose
Gy
(98.89%).
Seedling
survival
percent
length
decreased
contents.
Increasing
reduced
root
stem
fresh
dry
weight,
length.
level
catalase
enzyme
activity
expression
200
300
peroxidase
polyphenol
oxidase
gene
all
compared
control.
It
be
concluded
that
200-300
plant
growth
30%
terms
weight
plants,
well
enhanced
enzymes.
results
study
could
help
breeders
select
appropriate
rate
wheat
for
further
research.
International Journal of Radiation Biology,
Год журнала:
2024,
Номер
100(5), С. 678 - 688
Опубликована: Март 7, 2024
Purpose
To
provide
an
updated
summary
of
recent
advances
in
the
application
gamma
irradiation
to
elicit
secondary
metabolism
and
for
induction
mutations
plant
cell
organ
cultures
production
industrially
important
specialized
metabolites
(SMs).
Horticulturae,
Год журнала:
2024,
Номер
10(8), С. 837 - 837
Опубликована: Авг. 7, 2024
The
acceleration
of
the
climate
crisis
and
increased
demand
for
water
have
caused
stress
in
many
agricultural
lands
worldwide.
This
issue
is
utmost
importance
as
represents
one
most
crucial
challenges
sector
food
security,
affecting
growth
yield
crops.
Developing
strategies
to
mitigate
adverse
effects
improve
crop
tolerance
therefore
crucial.
review
aimed
analyze
effect
practices
such
elicitation
biostimulation
on
mitigating
vegetables.
manuscript
provides
relevant
recent
information
about
studied
various
vegetable
species
their
responses
under
deficit
non-agricultural
stress,
highlighting
use
elicitors
biostimulants.
Inclusion
criteria
were
scientific
reports
book
chapters
published
from
2000
2024,
including
keywords
follows:
+
vegetables,
effects,
drought
management,
eustressors
biostimulants
mitigation.
According
reported
literature,
it
was
found
that
physiological,
biochemical,
molecular
vegetables
depended
factors
severity
duration
deficit,
plant
species,
phenological
state
plants.
Traditional
agronomic
tillage,
mulching,
intercropping
management
evaluated.
Recently,
alternative
gained
significant
interest,
exogenous
application
phytohormones
osmoprotectants,
nutrient
UV-B
light,
radiation,
acoustic
waves,
among
others,
whose
eustressive
(as
elicitors)
been
demonstrated.
Among
these
eustressors,
those
physical
origin
show
great
potential
stress.
To
individual
mitigation,
we
proposed
combination
hormones
gamma
rays,
He-Ne
laser,
UV-B.
Further
exploration
required
establish
doses,
conditions,
mitigation
yield,
underscoring
ongoing
nature
this
research.
Results in Physics,
Год журнала:
2024,
Номер
64, С. 107949 - 107949
Опубликована: Сен. 1, 2024
The
use
of
geopolymer
in
place
ordinary
Portland
cement
for
concrete
design
and
constructure
is
gaining
attraction
due
to
environmental
health
considerations.
Geopolymers
must
have
high
gamma
radiation
shielding
competence
order
them
be
useful
concrete.
In
an
attempt
improve
the
absorption
capacity
a
metakaolin-based
matrix,
10
%
(GEO-10Y),
20
(G-20Y)
yttria
(Y2O3)
was
mixed
with
GEO
through
solid-state
reaction
process.
this
study,
influence
adding
on
physical
parameters
investigated.
densities
GEO,
GEO-10Y
GEO-20Y
were
obtained
as
2.28,
2.52
2.37
g/cm3,
respectively.
Through
simulation
using
FLUKA
code,
mass
attenuation
coefficients
(MAC)
other
relevant
quantities
estimated.
MACs
GEO-10Y,
within
range
0.0213–6.6429
cm2/g,
0.0282–13.3923
0.0291–14.5136
addition
improved
photon
by
increasing
MAC
reducing
buildup
factors
15
keV–15
MeV
energy
range.
effectiveness
yttria-doped
compares
well
conventional
materials.
Yttria-doped
can
used
produce
effective
environmentally-friendly