What is the use of white pine?

White bark pine alias white bone pine, three needle pine, white fruit pine, tiger skin pine, etc., Pinus elliottii is an evergreen tree, mostly born in the area of 500-1800 meters above sea level, up to 30 meters high, young tree bark gray-green, big tree bark light brown gray, peeling gray-green white, to the upper part gradually become pink-white, let's take a look at the use of white pine!

Where is the origin of Pinus bungeana?

Pinus elliottii is a tree species endemic to China, produced in Shanxi (Luliang Mountain, Zhongtiao Mountain, Taihang Mountain), western Henan, Qinling Mountains in Shaanxi, southern Gansu, Maiji Mountain in Tianshui, Jiangyou Guanwu Mountain in northern Sichuan and western Hubei. It is artificially cultivated in the north and south of the Yangtze River, south of Hohhot in Inner Mongolia and Nanjing, Changsha and Kunming in the south.

What is the use of white pine?

1. Medical value: the fruit of Pinus elliottii has bitter taste and warm nature. it has the effects of antitussive, expectorant and antiasthmatic, and has a significant effect on people with frequent discomfort in the throat, especially the phenomenon of coughing with phlegm. It can be collected and soaked in hot water.

2, economic value: the trunk texture of Pinus elliottii is very good, and the wood also belongs to the light and soft type, and the use of wood furniture is also very long. If it is to build a scenic wooden house, the wood characteristics of Pinus elliottii are also in line with the requirements, after deep processing will appear unique luster, cabinetwork its pattern is absolutely beautiful.

3. Garden value: White bark pine has the indomitable character of pine trees, and the white bark also forms a school of its own. Whether it is planted in a large area or alone on both sides of the road, it is the most beautiful scenery. There is a good chance of survival in any soil, so there is no difference in the ability to improve the soil and purify the environment.

Cultivation techniques of Pinus elliottii

1. Nursery site selection: nursery land with good drainage, irrigation conditions, flat terrain, deep sandy loam or loam, heavy rootstock soil, saline-alkali soil or low-lying stagnant water can not be selected as seedling land.

2. Seed treatment: Pinus bungeana seeds have a long dormancy period and should be soaked in Bordeaux solution for disinfection. Before sowing, seeds are soaked in warm water (50 ℃ to 60 ℃) or stratified with mixed sand. Seeds can be sowed when the number of grinning seeds reaches 50% of the total number of seeds. It can also be accelerated by low temperature stratification and high temperature every other year, and sow when 40% of the seed coat is cracked.

3. Sowing method: sowing in spring is often adopted, and sowing within 10 days after soil thawing is the most suitable. White bark pine is afraid of waterlogging, so it should adopt high bed or high ridge to raise seedlings, pour sufficient bottom water before sowing, strip sowing, sowing amount is 70,100kg / mu, orange soil thickness is 1cm 1.5cm after sowing, and wet saw powder of 1cm can be used for heat preservation and moisturizing.

4. Seedling management: after sowing, the seedlings are unearthed with seed shells and fall off in about 20 days. during this period, birds should be prevented, the seedlings should be buried in the soil to prevent cold, and the bare roots of 2-year-old seedlings should be transplanted. It is best to plant as they are dug and watered after planting. Seedlings should be closely planted, large seedlings should be sparsely planted, and soil should be taken for the second transplant or afforestation in about 5 years.