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Why do some leaves turn red in autumn? Analysis of the reason why leaves turn red in autumn

In autumn, many trees have to fall leaves. Before falling leaves, the leaves often turn yellow, but a few trees turn scarlet, which is called 'red leaves'. So, do you know why the leaves turn red in autumn? Let's take a look.

Why do some leaves turn red in autumn? Analysis of the reason why leaves turn red in autumn

We know that leaves contain many pigments, such as chlorophyll, lutein, carotene and so on. The color of chlorophyll is dark. In summer, it often covers other pigments and shows the shade and oil green color. However, when autumn comes, the sun is still strong, but the temperature is slowly decreasing, and the chlorophyll will gradually disappear because of damage. At this time, the Yellow lutein and carotene will show up. That's why the leaves turn yellow in autumn.

Why do some leaves turn red in autumn? Analysis of the reason why leaves turn red in autumn

There are also some plants in strong light, low temperature, drought conditions, the leaves will produce a lot of red anthocyanins before falling, which is the reason for the formation of red leaves. According to statistics, there are about thousands of trees whose leaves can turn red. The leaves of most plants have a life span of only a few months from birth to death.