1、 Illumination

Illumination is one of the main reasons for the redness of fleshy bulbs. The most visible and effective way is to change the color of fleshy bulbs by illumination. Put it in a place where there is enough sunlight. Its color begins to darken, and then slowly turns red. Every autumn, the atmospheric concentration in the air becomes weaker, the visibility in the air becomes stronger and stronger, the solar irradiation intensity will also increase, and the intensity of ultraviolet rays will reach the highest value in a year. Therefore, autumn is the best time for the color change of fleshy bulbs. The color depth of the red fleshy bulb is closely related to the length and intensity of sunshine

2、 Temperature

When the temperature drops in winter, the color of meat bulb will deepen in the low temperature environment. At the beginning, the fleshy bulb turned red locally, and the color deepened slowly. Finally, the whole leaf turned red. This phenomenon is caused by the self-protection function of the meat bulb. The anthocyanin in the meat bulb has the function of preventing cold and keeping warm. In winter, the relatively high temperature during the day can meet the slow growth of fleshy bulbs and avoid hibernation. At night, the temperature decreases rapidly. The cold environment can promote the synthesis of anthocyanins. The lower the temperature, the higher and faster the anthocyanins are generated. When the anthocyanin in the fleshy bulb increases, it becomes more and more red

To sum up, the fact that meat bulb can change color is to change its color with the help of natural forces. Generally speaking, it is actually the change of pigment in the body of multi meat bulb. It is because different pigments in the body have chemical reactions under different reasons, which changes the proportion of their own pigments, resulting in discoloration. There are two main reasons for the change of pigment in meat bulb: light and temperature. Fleshy light bulb is a lovely little plant. You might as well try my method to make it change color