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Abscission (from
Latin ab- 'away', and scindere 'to cut') is the
shedding of
various parts of an organism, such as a
plant dropping a leaf, fruit, flower...
- lose all of
their leaves for part of the year. This
process is
called abscission. In some
cases leaf loss
coincides with winter—namely in
temperate or...
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process termed abscission, the last step of cytokinesis. The
process of
abscission physically cleaves the
midbody into two.
Abscission proceeds by removal...
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cellular processes including multivesicular body (MVB) biogenesis,
cellular abscission, and
viral budding.
Multivesicular body (MVB)
biogenesis is a process...
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produce tumbleweeds. In
Psoralea the
tumbleweed detaches from the
plant by
abscission of the stem. In the Plantaginaceae,
Plantago cretica forms tumbleweeds...
- closure. It was so
named because it was
originally thought to
control abscission.
Ethylene is a
gaseous hormone that is
produced in all
higher plant tissues...
- wilt due to
water evaporation still exceeding water supply. Leaf loss (
abscission) will be
activated in more
severe stress conditions.
Drought deciduous...
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veins carrying the sap
slowly close until a
layer of
cells called the
abscission layer completely closes off the vein
allowing the tree to rid
itself of...
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progress into
abscission. The
formation of
abscission layer between the stem and the leaf
petiole signifies the
initiation of
abscission.
Abscission layer is...
- do not need
added energy, they act p****ively. However,
during the pre-
abscission phase, the
metabolic levels of a leaf are high.
Plants also
excrete some...
