What is the role of Araucaria?

Cunninghamia lanceolata is one of our very common plants. Large trees are generally planted in parks, roadsides, home courtyards, and other places. Small-plant potted plants are used to afforest and beautify homes. Let's find out the specific functions of Cunninghamia lanceolata:

I. the function of Cunninghamia lanceolata

1. Purify the air

Cunninghamia lanceolata, like other green plants, is good for air purification, and sequoia has a better effect on purifying dust in the air.

2. Embellish the environment

Cunninghamia lanceolata has small plant type varieties, potted plants are suitable for the living room, corridor, study and other environmental decoration of ordinary families, which is very elegant, and can also be used to decorate various forms of meeting rooms, exhibition halls and so on.

3. Giving gifts

Nanyang fir tree shape is more beautiful, can be potted to plant gifts, can be used as a gift for friends and relatives to start business, housewarming gifts.

4. Wood application

Cunninghamia lanceolata is a famous landscape tree with excellent quality, and it is also an important timber tree species in Australia and South Africa, which can be used for buildings, appliances, furniture and so on.

2. Cultivation and management techniques of Cunninghamia lanceolata

1. Potted Cunninghamia lanceolata should be cultivated with humus soil, garden soil and 20% river sand with a small amount of base fertilizer.

2. Potted southern fir should be watered properly to keep the potted soil warm and moist. In the thick season, high temperature and drought season, water should often be sprayed on the leaf surface to increase air humidity and help to keep the leaf color bright.

3. After the new buds germinate in spring and enter the vigorous growth season, it is necessary to apply the thin fertilizer and water of maturity and fermentation once a month to supplement the absorption and utilization of nutrients. Young trees need to change their pots every 1-2 years and add new culture soil.

4. Cunninghamia lanceolata is not resistant to high temperature and hot sun exposure, it needs proper shade in summer and needs to turn the basin every half a month or so to prevent the tree from growing too long. Cunninghamia lanceolata should be moved indoors in winter, watering should be controlled, fertilization should be stopped, it should be placed in a sunny place and the room temperature should be kept above 10 ℃, so that it can survive the winter safely.

3. The propagation mode of Cunninghamia lanceolata

Sowing and reproduction

Because the seed coat is solid and the germination rate is low, it is best to break the seed coat before sowing in order to promote its germination. In addition, the seeded seedlings are vulnerable to diseases and insect pests, so the soil used should be strictly disinfected. Seeds had better be germinated by sand bed or the above-mentioned shell-breaking sowing method to improve the germination rate of seeds, which can germinate in about 30 days.

Cuttage propagation

It is easy to breed and is widely used. Generally, the cuttings are carried out in spring and summer, but the main branches must be selected as cuttings, and the plants grown with lateral branches as cuttings are skewed but not straight and straight. The cuttings are 10 to 15 m long and can take root in about 4 months under the conditions of 18 ℃ to 25 ℃ and high air humidity. If the base of cuttings is soaked in 200ppm indolebutyric acid (IBA) for 5 hours before cutting, it can promote its rooting ahead of time.

Nanyang fir plant type is beautiful, pot planting can beautify the home, purify the air, but also can be used to give gifts, a wide range of functions, like Nanyang fir this foliage plant might as well try to plant in the courtyard and other places.