Market price of yew trees

Taxus belongs to shallow root plant, its main root is not obvious, lateral root is developed, it is recognized as a natural rare anti-cancer plant on the verge of extinction in the world, it is an ancient relict tree species left over by Quaternary glacier, and it has a history of 2.5 million years on earth. Taxus grows slowly under natural conditions and has poor regeneration ability. Below, the editor of Qiannong Network will introduce the market reference price of Taxus trees.

Market price of yew trees

Category size price category size price of Taxus chinensis var. mairei 1 cm 18.00 yuan / tree Taxus mairei 2cm 20.00 yuan / tree Taxus mairei 3 cm 28.00 yuan / tree Taxus mairei 4cm 45.00 yuan / tree Taxus mairei 5cm 90.00 yuan / tree Taxus mairei 6 cm 180.00 yuan / tree Taxus mairei 7 cm 380.00 yuan / tree Southern Red Taxus chinensis 8 cm 650.00 yuan / tree Taxus mairei 9 cm 980.00 yuan / tree Taxus mairei 10 cm 1200.00 yuan / tree Taxus mairei 11 cm 1800.00 yuan / tree Taxus mairei 12 cm 2200.00 yuan / tree Taxus chinensis var. mairei 13 cm 2800.00 yuan / tree Taxus mairei 14 cm 3200.00 yuan / tree Taxus mairei 15 cm 4500.00 yuan / tree

The main value of Taxus

1. Economic value: according to the report of the fifth edition of People's Daily on October 17, 2001, the price of high-quality paclitaxel in the international market in 2000 was as high as 180000 US dollars per kilogram. Heartwood orange-red, sapwood yellowish brown, straight texture, fine structure, specific gravity 0.55-0.76, solid and durable, less cracking after drying. It can be used for construction, vehicles, furniture, utensils, agricultural tools and stationery.

2. Medicinal value: the main medicinal value of Taxus chinensis is its extract-secondary metabolite-paclitaxel. Paclitaxel is the first anti-tumor component isolated from the bark of Taxus chinensis var. mairei. It is one of the best drugs for the treatment of metastatic ovarian cancer and breast cancer. it also has a significant effect on lung cancer and esophageal cancer and can significantly inhibit glomerulonephritis and parvovirus inflammation. The roots, stems and leaves of the yew can be used as medicine to treat dysuria, eliminate swelling and pain, and have therapeutic effects on diabetes, irregular menstruation and increased blood volume. Taxus can also be used for postpartum recuperation and has a certain therapeutic effect on female diseases.

3. Garden ecology.

① landscaping: in landscaping, indoor bonsai also has a very broad development prospects, such as the use of rare yew trees to make high-grade bonsai. The bonsai shape of Taxus mairei treated by dwarfing technology is simple and elegant, the branches and leaves are compact but not dense, stretched but not loose, red stem, red branch, green leaf and red bean make it have multiple ornamental value of stem, branch, leaf and fruit.

② purifies the air: the yew can purify the indoor air very well, absorb the indoor poison gas such as formaldehyde during the decoration of the new house can be well absorbed, and reduce the content of the poison gas indoors. The yew itself can absorb carbon dioxide and release oxygen. It is a natural oxygen bar that can be used day and night. It belongs to the CAM tree species, which can prevent respiratory diseases and keep the air clean and safe. It has been proved by modern environmental monitoring that yew can absorb many poisonous gases such as sulfur dioxide and carbon monoxide into the body and purify the indoor air.

Protection status of Taxus mairei

Because the bark of the yew has an anticancer substance, paclitaxel, many people go into the forest to peel the bark, resulting in a sharp decline in the number of yew.

The reason for the extinction of the yew is that in the early 1990s, an American company discovered that paclitaxel in the bark of the yew has an anti-cancer effect. When the news spread to China and Yunnan, people suddenly realized that the treasure was around, people were frantically peeling yew, and no one paid attention to the detailed regulations on the Protection of Precious Tree species in Yunnan Province. the lives of more and more yew came to an abrupt end overnight.

The State Forestry Administration has made clear instructions on the "yew project": "Taxus is a first-class protected tree species in China, with good ecological benefits and extremely high economic value. The state supports vigorously building a yew forest in an appropriate range, and all sectors of society to participate in the afforestation and greening cause in the form of contracting, leasing, auction, stock cooperation and other forms should be promoted and encouraged."

Growth habits of Taxus chinensis

Taxus chinensis var. mairei is suitable to be planted in the north and south of China, and it has the characteristics of shade, drought and cold resistance, and the soil pH value is required to be 5.5-7.0. The environment is shady, can also grow under the dense forest, perennial, can not become a forest. It is more common in the coniferous and broad-leaved mixed forest dominated by Korean pine. Born on stony or barren soil on the top of the mountain, most of them are shrubby. Mostly scattered under the moist, fertile coniferous and broad-leaved mixed forest on shady or semi-shady slopes. Sex likes cool and humid climate, can withstand low temperature below minus 30 ℃, strong cold resistance, the optimum temperature is 20: 25 ℃, it belongs to negative tree species. Like moist but afraid of waterlogging, suitable for planting on loose, moist and well drained sandy loam.