The pigments of aquatic plants are composed of anthocyanins, chlorophyll and carotenoids, and the genes that make these pigments can regulate their synthesis, content and levels. Distribution, aquatic plants can be divided into red and green aquatic plants through the regulation of pigment genes. Many fish friends are very fond of red water plants. The red series is always the shining protagonist in the water plant tank, but it is difficult to cultivate moving red water plants. Atrophy will occur and cause whitening. The following article will follow you to understand it.

1. Why is it difficult to cultivate red aquatic plants?

1. Leaf type of red aquatic plants:

Among the leaf types of red aquatic plants, it can be roughly divided into broad leaves , thin leaves, pointed leaves. Colors are red, reddish brown, brown, etc. The degree of color rendering is affected by the environment, resulting in different concentrations of orange, light red, deep red, red, and purple.

2. Water plant pigment gene

3. Transmission of anthocyanin:

Light is the transmission signal for synthesizing anthocyanin. The production of anthocyanins through the anthocyanin synthesis pathway must be received after receiving light signals, so light is the most influential factor in the formation of anthocyanins among all environmental factors.

4. Sufficient light conditions:

According to common cultivation experience, under sufficient light conditions, its leaf color is easy to turn red, and when the light is weakened, the leaf color changes from red. Turning green, this phenomenon should be familiar to everyone, because light has an important influence on the formation of anthocyanins.

5. The phototropism is particularly strong:

The red aquatic plants are difficult to cultivate successfully. Among the red aquatic plants, its phototropism is particularly strong. Its planting and breeding require strong lighting and a large amount of carbon dioxide. Therefore, the suitable range is very small.

6. Carbon dioxide concentration:

Generally speaking, under the condition of sufficient supply of carbon dioxide, if the light is stronger, the photosynthesis will be more vigorous, and the aquatic plants will have more opportunities to accumulate more. The carbohydrates can lay a good foundation for the formation of anthocyanins.

7. Stem-positive aquatic plants:

We learned that the red and S stem-positive aquatic plants are almost all positive aquatic plants, and sufficient carbon dioxide addition is beneficial to their growth and stable. pH of water.

2. Precautions for the cultivation of red aquatic plants

1. Relying on strong light exposure:

Most of the red aquatic plants need to rely on strong light exposure to show a beautiful red color , some large red leaves of the genus Broadleaf, lack of strong light will not be able to show a rich deep red. There are bright and dark areas in the tank, plant red grass in the brightest areas.

2. Water temperature regulation:

The temperature should not be too high or too low, at around 20-23℃, the coloring of red water plants is the deepest. However, this temperature may not be suitable for every aquatic plant. For example, sangaris may not be able to breed. Therefore, the regulation of low temperature must be based on the adaptation conditions of aquatic plants.

3. Suitable for decoration:

In addition, the general aquatic plant tank is mainly green, and red only plays an embellishment role. In terms of landscaping, try to plant red aquatic plants at one-third of the length of the fish tank.

4. Installation of lighting tubes:

Most of the aquatic plants lighting adopts three-band integrated lamps (430nm, 555nm, 630nm before and after wavelengths). The most favorable light qualities for red plants are blue and green. Therefore, when planting red aquatic plants, it is necessary to install a blue and green band lamp.

5. Liquid fertilizer quality requirements:

This is the key to planting red grass. Red grass has a large demand for liquid fertilizer and requires high quality. Some red grasses look red, but they are actually dehydration caused by excess fertilizer. Observe whether the terminal buds are miniaturized and whether there is a powdery feeling on the color.

6. Reduce nitrogen and phosphorus derivatives:

It is recommended to use fertilizers that do not contain nitrogen and phosphorus, and feed less fish that need to be fed, which can reduce the amount of natural derivatives of nitrogen and phosphorus fertilizers. Change the water frequently to dilute the excess nitrogen and phosphate fertilizers. A moderate increase in iron fertilizer can control the phosphorus fertilizer at a low concentration.