How to deal with the blackening of banyan leaves? the solution of losing banyan leaves

Banyan bonsai is generally for the purpose of watching the peculiar stumps and branches of banyan trees, and the beauty of branches and stumps determines the quality of potted plants. Therefore, in the daily breeding of the family, we should pay attention to the maintenance of the branches and leaves of the banyan tree in order to have the right ornamental effect. So, what if the leaves of the banyan tree turn black? How to solve the problem of losing leaves?

What if the leaves of the banyan tree turn black?

1. Relatively high humidity

Improper water does great harm to the banyan tree, too much watering or high environmental humidity will cause the root system of the banyan tree to rot and cause a large area of fallen leaves. The cultivation of banyan trees in the north is more difficult, the humidity in the family should be controlled well, and too low humidity will also cause yellow leaves.

Second, the temperature difference is large.

The banyan tree is suitable to grow in an environment with small temperature difference between day and night, and the environment of wearing leather jacket and gauze at noon as in Xinjiang is not suitable for the growth of banyan tree at all. When the temperature difference is more than 10 ℃, there will be a large area of yellow leaves and black leaves.

Therefore, in the usual maintenance process, the potted plants should be placed in a ventilated and transparent position and shaded in time in summer.

III. Diseases and insect pests

The main diseases and insect pests of banyan tree are: aphids, red spiders, scale insects and so on. When diseases and insect pests occur, the plants will be damaged to varying degrees, resulting in root rot or damage, resulting in yellowing leaves.

When the leaves of the plant turn yellow, check the growth of the roots to see if there are dead roots, rotten roots, root injuries and so on. Spray chemicals in time for prevention and control.

IV. Improper fertilization

The banyan tree likes fertilizer, but the times of fertilization or more will do harm to the growth of the banyan tree. The light leaves are yellow and the heavy ones are rotten roots.

During the growth period of the banyan tree, the amount of fertilizer varies according to the season, and fertilization is reduced or not in winter. Once a month in other seasons, choose to use thin fat and water, mainly to class fees, rather light than thick.

The solution of losing leaves in banyan trees

1. Improper watering

In fact, the root system of the banyan tree is very developed, and it will not do much harm to dry the soil in a short time. If you go too far, it is hard to say. After not giving water and falling leaves for more than a month, do not flood at one time, but step by step and water little by little, otherwise it is easy to cause poor root growth.

2. Improper fertilization

Fertilization should be in accordance with the method of frequent application of thin fertilizer, to avoid the use of high concentration of chemical fertilizer or unmature organic fertilizer. Water in time the next day after fertilization to dilute the fertilizer in the basin soil. If you apply too much fertilizer, you can use the method of watering to let the excess fertilizer flow out from the bottom of the basin with the water, and then dry the basin soil.

3. Lack of light

Adjust the light time according to the seasonal changes, strong light in summer, 50% shade at noon, normal light in other seasons, and no shade when the temperature is lower than 32 ℃.

4. Diseases and insect pests

Wash the worms with water and spray mites with insecticides. Or choose laundry powder or wind oil essence to spray, non-toxic, the prevention and control effect is very good.

Watering method of banyan tree

1. If the potted banyan tree is not watered for a long time, the plant will wilt due to lack of water, so it is necessary to observe the growth of the plant in time and water it timely according to the soil. When watering, it is watered until there is water flowing out from the drainage hole at the bottom of the basin, and then wait for the soil surface to become white and then irrigate again after watering once.

2. When the humidity of the environment is low, you can put a small slot on the low pad of the flowerpot and install a little water properly, which is helpful to increase the humidity. Always spray water at ordinary times, especially in the hot season of disaster.

Matters needing attention in banyan culture

1. Banyan tree pruning is mostly carried out during the dormant period. In the process of early pruning, the knife must be sharpened to avoid too many wounds.

2. For any potted plant, the nutrients in the potted soil will be exhausted one day, so the pot should be changed every two years, adding a small amount of base fertilizer when changing the pot, and the best time to change the pot is early spring or late autumn.

Banyan bonsai can adapt to flood and fertilizer, can withstand both drought and moisture, and can grow not only in the root of the stone wall, but also in the water. Therefore, the banyan tree does not have high requirements for the growth environment. However, in daily maintenance, we should also follow the growth habits of banyan bonsai carefully, banyan bonsai can grow more beautiful.