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Plant Hormones - Commercial Uses
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Which of the following are plant hormones?
Gibberellin
Auxin
Ethene
What are auxins?
A
family
of
plant
hormones
What are three uses of auxins in agriculture and horticulture?
In
weedkillers
, rooting
powders
and to
promote
growth
in
tissue
culture
Auxins stimulate cells to grow and divide, so how can they be used as weedkillers?
If
large
amount
of auxins are
added
to
plants
, it can
disrupt
their
growth
process
by
overstimulating
them. This can
kill
the
plant.
What is the benefit of selective weedkillers?
They
kill
some
plants
but not
all
describe dormancy?
Seeds
are
inactive
and do not
grow
or
develop
Which option below is describing the process of germination?
Seeds
begin to
develop
and
grow
Which plant hormone can stimulate a plant to geminate?
Gibberellin
Which hormone is responsible for inducing fruit to ripen?
Ethene
Explain how ethene is used in the transport of food.
Ethene
stimulates
fruit to
ripen
Fruit is
picked
unripe
so that it's still
hard
which means it isn't
damaged
during
transport
or
storage
Ethene
can then be
used
to
ripen
the
fruit
so that it's
soft
for
consumers
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