Many people have made mistakes in the breeding methods and matters needing attention of Luohansong.

Aquaculture requires that the soil is rich in humus, loose and fertile, and good drainage. During the growing period, we should pay attention to often watering. In addition, we should often spray foliar water, which can accept strong light, and can also grow in a shady environment. We should apply thin fertilizer frequently, fertilizer is mainly nitrogen fertilizer, and we can add appropriate amount of black alum. When the outdoor temperature is lower than 5 ℃, we should enter the room. During the growth period, we should pay attention to pruning and coring the formed plants to prevent the branches and leaves from growing.

Propagation method of Pinus elliottii

(1) planting and propagation:

After the seeds are ripe in August, they can be planted as they are picked, or they can be dried in the shade. The seeds will be sown in March next spring, and the fresh seeds will weigh 312 grams. Before sowing, the bed soil will be loose, multi-purpose strip sowing, covering soil 2 cm thick, setting up a shed for shade after sowing, shade buds will begin to be unearthed in late April, and can be planted after a year of cultivation.

(2) Cuttage propagation:

It is more than in spring and autumn. If automatic spray is used to raise seedlings in full light, it can be done in June. For softwood cuttings, the survival rate is more than 80%, cuttings with heel, about 15 cm long base to remove leaves, with general cutting method, timely shade and watering. Covered with straw or plastic arch shed in winter to keep warm, it can be planted in spring next year. Potted growers use sand, which is mixed with humus in the same amount.

The culture method of Luohansong:

1. Soil:

The slightly acidic culture soil rich in humus, loose, fertile and well drained is required to yellowing leaves, slow growth and long life in alkaline soil, which can reach hundreds of years, or even more than a thousand years.

2. Watering:

It is not a pine plant and is not resistant to drought. Shunde area should pay attention to regular watering on sunny days in summer, generally watering once in the morning and evening. In addition, it is also necessary to spray foliar water frequently to make the leaves bright green and grow well. Rain Water is usually more in summer. Luo Hansong is not resistant to waterlogging, so we should pay attention to prevent stagnant water for a long time.

3. Sunshine:

Pinus elliottii is a neutral and negative tree species, which can accept strong light and grow in a shady environment. Although the temperature is high and the sun is strong in summer, it is not necessary to shade the tree in summer because it helps to maintain the leaf shape of the tree under the condition of high temperature and strong light. Because of the tender tissue, the seedlings of Luohan pine should not be irradiated by strong light for a long time, so it is suggested that they should be preserved in the shade.

4. Temperature:

For potted plants in northern China, when the outdoor temperature is stable, leave the room at about 10 ℃, put the outdoor leeward, maintain in the sunny place, move to the semi-shady place after summer, enter the room when the temperature does not drop to 5 ℃ in winter, control watering after entering the room, and survive the winter safely under the condition of no icing.

5. Fertilization:

Luohansong likes fertilizer, should be thin fertilizer frequently, fertilizer is mainly nitrogen fertilizer, can add appropriate amount of black alum, retting into alum fertilizer water. During the growing period, fertilization can be applied once every two months, and fertilization can be combined with watering at the same time (the ratio of water and fertilizer is 9:1).

6. Insect pests:

There are mainly leaf spot disease, and anthrax harm, with 50% methyl thiophanate wettable powder 500 times liquid spray. Pests are harmful to shell insects, red spiders and coir moths, which can be sprayed with 1500 times omethoate EC.

Matters needing attention in culture:

The main results are as follows: (1) it is better for the basin soil to be slightly dry in the growing season, if the basin soil is watered too much and the basin soil is moist for a long time, it will lead to rotten roots and yellow leaves. In severe cases, a large number of leaves fall off, and the plant eventually dies. However, there is more water demand in summer, watering should be sufficient, and the pot soil is easy to scorch if the leaves are too much.

(2) during the growth period, attention should be paid to pruning and coring the molded plants to prevent the branches and leaves from growing, and to maintain the graceful posture of Luohansong. When changing the basin, you should pay attention to cutting off too many roots and rotten fibrous roots, and at the same time cutting off overdense branches and growing branches.

(3) when the outdoor temperature drops to 5 ℃ in winter, it should be moved indoors, watering should be controlled and fertilization should be stopped after entering the house. Generally every 2 years to change the basin, the time to change the basin in spring and autumn. When changing the basin, pay attention to properly cut off the excessive root system and rotten fibrous root, cut off the overdense branches and add new culture soil.

(4) potted Luohansong is usually placed on a high platform or stone, so that insects such as ants and earthworms can be reduced to drill into the flowerpot from the bottom hole of the flowerpot, harming the plant.