Causes and solutions of poor coloring of strawberries

After the strawberries are fully ripe, the appearance is bright red, which makes people want to eat them in one bite, but most of the strawberries planted by many people are bluish red and look as if they are not ripe. So what is the reason for the poor coloring of strawberries? is there any solution? let's take a look at the pro-agricultural network.

1. Lack of nutrition

During the fruit expansion period, the quality of coloring is closely related to nutrition, too much nitrogen fertilizer is applied during fertilization, but when potassium fertilizer and boron fertilizer are lacking, the fruit will not be colored well.

Solution: applying more nitrogen fertilizer before strawberry growth can promote plant growth and development, but there is little demand for nitrogen fertilizer in the fruit stage. At this time, it is necessary to apply potassium fertilizer, boron fertilizer, calcium and other elements also promote the coloring of strawberries, so fertilization should be balanced, it is recommended to apply organic fertilizer.

2. Temperature and light

Strawberry coloring is mainly a kind of anthocyanin pigment synthesis, this substance is formed in the environment of 20-25 degrees, if the temperature is too high or too low will affect its formation, so the phenomenon of poor coloring occurs. In addition, the lack of light, the accumulation of sugar in the fruit is not enough, there will be physiological ginkgo phenomenon, and finally the fruit becomes yellowish white, and the taste is lighter, the fruit is soft and easy to rot, not easy to store.

Solution: strictly control the temperature and light conditions, control it at 20-25 degrees during the day and 15-20 degrees at night, keep the light between 12-15 hours a day, prune the stems and leaves to enhance the ventilation and light transmittance of the plant.

3. The fruit is in contact with the ground for a long time

Because the strawberry plant is short and the stem is prostrate on the ground, most of the fruit is in contact with the ground, which also shows that part of the fruit is red and part of the fruit is green, which is due to the fact that the parts in contact with the ground are not exposed to light.

Solution: this problem can be avoided by turning the fruit regularly during the color conversion period so that the side near the ground can also be exposed to sunlight, or if the plant height is too high when planting.

4. Excessive use of hormones or dilators

In order to get on the market earlier and increase the yield, some fruit growers often use hormones or expanding agents to promote the rapid expansion of the fruit during the fruit expansion period, so the fruit is indeed very large, but its anthocyanin formation takes time, so it leads to large fruit, but the coloring is not good.

Solution: try to use little or no hormones and expansion agents, these things have a certain harm to the human body, we should reasonably control the temperature, light conditions, scientific fertilization, so as to make the fruit big and sweet.

The above are the reasons and solutions for the poor coloring of strawberries brought by the pro-agricultural network. In addition, when planting, we should also pay attention to the planting density, too high density, poor permeability between plants will also lead to poor coloring, the formation of deformed fruit, more agricultural knowledge, please pay attention to the pro-agricultural network.