ChatterBank0 min ago
Japanese Maples - Changing Colour
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I have seen your explanation for how normal green leaves get their colour and how they then change to yellow/red.
What chemical does a Japanese maple or Copper Beech produce to get its main red colour and how do they change colour in the autumn?
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No best answer has yet been selected by RangerNige. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.I'm not sure about the chemical bit but autumn colour in deciduous trees such as beech and maples (common maples can be just as nice in autumn) is usually caused by a chain of events such as cold nights and shorter day lengths which help to break down the proteins in the leaves and kill the chlorophyll (green stuff in leaves), leaving a brightly coloured leaf. I think !!!!!!!! |
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