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Involvement Of K+ In Leaf Movements During Suntracking
Beginning of essay
Involvement of K+ in Leaf Movements During Suntracking
Introduction
Many plants orient their leaves in response to directional light signals.
Heliotropic movements, or movements that are affected by the sun, are common
among plants belonging to the families Malvaceae, Fabaceae, Nyctaginaceae, and
O ....
Middle of essay
....vement is temporarily transformed from diaheliotropic to
paraheliotropic. In doing so, the interception of solar radiation is maximized
during the morning and late afternoon, and minimized during midday. The leaves
of Crotalaria pallida also exhibit nyctinastic, or sleep, movements, in which
the leaves fold down at night. The solar tracking may also provide a
competitive advantage during early growth, since there is little shading, and
also by intercepting more radiant heat in the early morn.... |
| Number of words: 2307 |
Approximate pages: 9 |
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