Why Do Leaves Change Color

Why Do Leaves Change Color?



Why Do Leaves Change Color

As days grow shorter and temperatures cooler, deciduous trees brace oneself for winter dormancy. Lacking spare light-weight and water, chemical action shuts down, and trees should live off food hold on throughout the season.

In spring, leaves lay the groundwork for his or her ending. A special layer of cells forms at the bottom of every leaf referred to as the abscission or separation layer. Its work is to move water to the leaf and take food, created by chemical action, back to the tree.

In autumn, the cells of this layer begin to swell and therefore the bottom of this layer forms a corklike substance that eventually cuts off all transfer between leaf and tree. Meanwhile, the highest of the layer begins to disintegrate, creating it straightforward for the leaf to detach.

As chemical action ceases, the leaves lose their pigment, which provides them their inexperienced color. while not pigment, alternative colors emerge. Yellow and orange, for instance, square measure unremarkably gift within the leaves however square measure overshadowed by the pigment.

Maple-leaf red happens as a result of aldohexose remains once chemical action shuts down. Drab oak-leaf brown represents wastes left within the leaves.


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