Culture methods and matters needing attention of Luohansong

Luohan pine is a kind of pine tree, which has high ornamental value. Today we would like to share with you the breeding methods and matters needing attention of Luohansong. I hope you will like it.

Culture method of Luohansong

1. Soil: a slightly acidic culture soil rich in humus, loose and fertile, and good drainage is required. In alkaline soil, the leaves are yellowed, the growth is slow, and the life span is long, up to hundreds of years, or even more than a thousand years.

2. Watering: Luohansong is not a plant of Pinaceae and is not resistant to drought. On the contrary, Luohansong is resistant to Yin and dampness, so it should be watered frequently during the growing period, but it should not be watered. Shunde area should pay attention to regular watering when it is sunny in summer, generally watering once in the morning and evening, and often spraying foliar water 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 not only accept strong light, but also 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 the tree is propitious to maintain its leaf shape under the condition of high temperature and strong light. Because of the tender tissue, the seedlings of Luohan pine should not be exposed to strong light for a long time, so it is suggested that they should be preserved in the shade.

4. Temperature: potted plants in the north should leave the room when the outdoor air temperature is about 10 ℃, keep it outside in the leeward direction, move to the semi-shady place after summer, enter the house when the temperature does not drop to 5 ℃ in winter, and control watering after entering the room, so as to 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, sprayed with 50% methyl topiramate wettable powder 500 times. Pests are harmful to shell insects, red spiders and coir moths, which can be sprayed with 1500 times omethoate EC.

Matters needing attention in breeding of Luohansong

The main results are as follows: (1) the basin soil is 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, we should pay attention to cut off too many roots and rotten fibrous roots, and at the same time cut off the dense 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.

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 was sown with multi-purpose strips, and the soil was covered with 2 cm thick. After sowing, the shade buds were unearthed in late April and could be planted separately after a year of cultivation.

(2) cuttage propagation

It is carried out more than in spring and autumn. If full-light seedlings are raised by automatic spray, twigs can be cut in June, with a survival rate of more than 80%. Cuttings should have a heel, and leaves should be removed at the base of about 15 cm long, using the general method of cutting, shading and watering in time after insertion. Spray water once a day, and the soil water content is not less than 70%. Spring planting can take root at the end of June, and autumn planting can take root at the end of October. Covered with straw or plastic arch shed in winter to keep warm, it can be planted in spring next year. Potted growers mix the same amount of sand with humus.