Briefly describe the reason why maple leaves turn red (analysis of the decisive factors of maple leaves turning red)

The reason why maple leaves turn red is that the leaves contain a lot of anthocyanins and chlorophyll. When autumn comes, the temperature will gradually drop. At this time, chlorophyll will be destroyed by the temperature drop, while anthocyanins in leaves are gradually increasing, until only anthocyanins are left, so the color of maple leaves turns red.

What is the phenomenon that maple leaves turn red?

When autumn comes, leaves of many woody plants turn red, yellow or orange. Because of the different time and degree of color change, the whole forest presents many colors. Awaken the most intuitive memory of autumn for people on this planet.

Throughout the ages, maple leaves have been very popular. Ancient literati wrote poems praising it, such as "Du Mu in Tang Dynasty" and "The stone path in Hanshan Mountain is far away, and there are people in the depths of white clouds". Stop and sit in the maple forest late, and the frost leaves are red in February. "

Usually maple leaves turn red in autumn. Maple leaves in autumn, because the temperature drops, the green pigment of maple leaves turns red.

In northern China, autumn comes from August to 10, and the real autumn usually comes after September, so the maple leaves generally don't turn red until September 10. In the south of China, when it is cold later, the maple leaves will turn red later.

How does the maple leaf turn red?

I used to wonder why maple leaves are red. I thought it was that color. I didn't know why the maple leaves turned red until today. Is the reason why maple leaves turn red light or temperature?

There is an element called chlorophyll in the maple leaf, so in summer, the maple leaf is green.

When the temperature drops, chlorophyll will be destroyed by the temperature, and maple leaves also contain anthocyanins, which will appear red. So, after the temperature changes, its leaves turn red!

In fact, there are many environmental factors that affect maple leaves to turn red, and the most important factor is temperature. Temperature can significantly affect the contents of chlorophyll and anthocyanin in leaves, thus causing changes in leaf color.

Low temperature is beneficial to the decomposition of chlorophyll, and the temperature difference between day and night is beneficial to the formation and accumulation of anthocyanins.

The results show that the temperature difference between day and night is higher than 65438 05℃, which is beneficial to the leaf color presentation. Different temperature indexes have different effects on different tree species. Average temperature, minimum temperature, minimum temperature duration and temperature difference between day and night all have different effects on leaf discoloration.

In addition, light, humidity and soil all have different effects on the red color of maple leaves. These factors interact and affect the color change of maple leaves.