Effects of Selenium Foliar Spraying on Seedling Growth and Stem Sheath Hardness in Fragrant Rice
Agriculture,
Год журнала:
2025,
Номер
15(3), С. 335 - 335
Опубликована: Фев. 3, 2025
Previous
studies
have
shown
that
selenium
(Se)
can
influence
rice
growth
and
yield.
However,
the
Se
effect
on
lodging
remains
unknown.
This
study
aimed
to
investigate
impact
of
different
treatments
seedling
stem
sheath
hardness
in
fragrant
rice.
A
hydroponic
experiment
was
conducted
using
two
varieties,
Yuxiangyouzhan
Xiangyaxiangzhan,
as
experimental
materials.
Two
forms
fertilizers
(amino
acid-chelated
sodium
selenite)
were
used.
There
five
foliar
spraying
fertilizer
(CK:
no
fertilizer;
T1:
4
μmol·L−1
amino
selenium;
T2:
8
T3:
selenite;
T4:
selenite),
effects
studied.
Significant
treatment
root
fresh
weight,
dry
plant
height,
length,
number
leaves,
chlorophyll
content,
hardness,
peroxidase
activity
leaf
sheaths,
lignin
content
roots
detected.
significant
variety
interaction
observed.
The
forms/levels
affected
differed.
improved
significantly
sheaths.
Compared
with
CK
treatment,
increased
total
weight
seedlings
Xiangyaxiangzhan
by
ranges
25.43–52.77%
18.97–30.09%,
respectively.
T2–T4
values
21.6–54.7%
38.3–146.6%,
respectively,
compared
treatment.
had
a
promoting
physiological
indexes
such
sheath,
matter
accumulation
tissues,
thereby
increasing
weight.
an
inhibitory
b
whilst
it
a/b
ratio,
which
turn
photosynthesis
Therefore,
appropriate
(the
application
selenium,
selenite,
could
improve
related
parameter
changes,
pigments,
activity.
These
findings
suggest
positively
regulate
resistance
growth.
provide
theoretical
support
for
fertilizer.
Язык: Английский
Phosphogypsum and cadmium remediation agents: A synergy for mitigating Cd contamination and CH4 emissions in rice paddies
Acta Geochimica,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 18, 2025
Язык: Английский
Selenium’s Role in Plant Secondary Metabolism: Regulation and Mechanistic Insights
Agronomy,
Год журнала:
2024,
Номер
15(1), С. 54 - 54
Опубликована: Дек. 28, 2024
Selenium
(Se)
is
an
indispensable
trace
element
for
humans
and
other
animals.
Various
studies
have
demonstrated
the
beneficial
effects
of
Se
on
plants,
including
promotion
growth,
accumulation
secondary
metabolites,
enhancement
antioxidant
capacity,
thereby
improving
plant
stress
resistance.
Consequently,
biofortification
has
emerged
as
effective
strategy
to
elevate
content
nutritional
quality
in
attracting
widespread
attention.
The
mechanism
selenium
at
metabolic
level
not
yet
been
fully
elucidated,
it
remains
unanswered
question
how
affects
pathways
these
respond
biofortification.
Although
shown
that
can
affect
system
defense
mechanisms
detailed
selenium’s
action
pathways,
its
specific
enzymes
regulatory
genes,
still
need
be
revealed
by
further
in-depth
studies.
present
study
aims
elucidate
absorption,
transport,
metabolism
plants
under
Se-rich
conditions
investigate
impact
various
methods
metabolites.
By
integrating
existing
research
progress,
this
paper
will
delve
into
potential
molecular
metabolism,
aiming
unravel
interplay
between
metabolism.
This
provides
a
novel
perspective
direction
future
biological
utilization
Se.
Язык: Английский