Kudingcha is an evergreen tree known for its strong adaptability and resilience. While there are various types such as large-leaf Kuding, small-leaf Kuding, and others, there is currently no universally accepted scientific classification for the plant. In terms of population, wild varieties are more common than cultivated ones, which means that the cultivation of Kudingcha has largely followed a process of domestication from the wild. Common propagation methods include sowing, cutting, and grafting.
Sowing is one of the most traditional methods. The fruits of Kudingcha are oval-shaped and typically mature around November, depending on the altitude. At maturity, the skin turns black. Once harvested, the fruits are left to dry for a few days (while ensuring they don’t get too hot), then washed in water to remove the flesh and outer layer. The cleaned seeds are then dried and stored in moist sand, making sure the sand isn’t too wet or too dry. Before sowing, the soil should be well-prepared, with furrows created at about 5 feet apart. Seeds are sown densely on the raised beds, covered with a thin layer of fine soil, and watered thoroughly. A plastic cover is then placed over the bed, sealed on all sides, similar to how rice seedlings are protected. Regular monitoring of temperature and humidity is essential. If it gets too hot, the ends of the cover can be opened for ventilation; if the air is too dry, the cover can be removed briefly to water. When the seedlings reach about 10 cm in height, they are transplanted during rainy weather. This method is simple and effective, but obtaining quality seeds can be challenging due to their scarcity.
Cutting is another common propagation technique. In mountainous regions, cuttings are often taken from rare wild Kuding tea trees. Although cuttings can be done in both spring and autumn, many prefer to do it in early spring, around February or March. Since Kuding tea is prone to dehydration, cuttings must be used immediately after being taken. Old branches are preferred for cuttings, ideally 12–20 cm in length. Before planting, the cuttings are soaked in ABT rooting powder according to the instructions—older shoots need longer soaking times, while younger ones require less. After cutting, about three-quarters of the stem is buried in the soil, leaving one-quarter exposed, with two leaves retained. Each leaf should be cut in half to reduce water loss. Cuttings are then planted in a shaded area under plastic covers, following similar management practices as seedlings. However, based on recent experience, the survival rate of cuttings is usually below 30%, and root development is slow. Therefore, large-scale propagation via cuttings is not yet practical.
Grafting is a more complex but efficient method. It takes about two years for grafted seedlings to emerge, but the success rate is high. The best rootstock is either *Ligustrum lucidum* or *Ligustrum robustum*. In the first year, seedlings of these species are grown and transplanted. In the following spring, grafting is performed. Grafting time depends on local climate and altitude. In the author’s area, located at 1,440 meters above sea level, grafting is done within 20 days from the first day of February to the second lunar month. The germination rate is usually above 90%. Scion collection is also critical. Fresh, unopened annual branches are ideal, but even budding branches or single buds can be used. To maintain freshness, cuttings are immediately stripped of leaves, bundled, wrapped in damp straw, and kept in a shaded area. They can remain viable for over seven days.
After grafting, Kudingcha grows quickly, and new shoots can be seen within 15 days. During this period, weeds should be removed, and any unwanted buds on the rootstock should be wiped off. If diseases occur, fungicides like carbendazim or thiophanate can be applied. Once the shoots reach 20 cm, they can be watered with diluted solutions. Due to the dense growth of seedlings, they are prone to powdery mildew and pests during prolonged drought or heavy rain. Pesticides like "Topozin" can be used to control both diseases and insects. With proper care, grafted seedlings can grow up to 50 cm in height.
When planting grafted seedlings, the tape around the graft site should be removed. The planting hole should be slightly deeper, and the soil should be packed twice. First, cover the grafting point with soil and water it, then compact the soil. Second, cover the soil up to 8 cm above the grafting interface and water again. After one year, the scion will have developed roots, while the original rootstock dies naturally. This process does not affect the quality of the Kudingcha, and the plant grows vigorously with high yields.
Pharmaceutical Grade
Shikonin is a kind of organic substance, which is insoluble in water, soluble in ethanol, organic solvent and vegetable oil. It is easy to dissolve in alkali water and precipitate when meeting acid. It can be used in the treatment of acute icteric or non icteric hepatitis, chronic hepatitis and verruca plana. It is also effective for cirrhosis (ascites) and verruca vulgaris. It has anti-cancer, anti-inflammatory, antibacterial and other effects. It is used in the treatment of acute and chronic hepatitis and cirrhosis (ascites). The Department of Dermatology and Hepatology is used for the treatment of verruca plana and psoriasis, local application for the treatment of burns and promoting wound healing. Eye drops are effective in the treatment of herpes simplex keratitis.
Product Name: Shikonin
Other Name : Shikonin Powder
Specification: 10%/30%/ 98%
Appearance: Dark Red Purple Powder
Form: Powder
Storage: Store in cool and dry places, keep away from strong light.
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1.Shikonin extract shikonin with the function of anti-tumor effects;
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2.Shikonin extract shikonin acts the main role of the cardiovascular system;
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3.Shikonin extract shikonin with acne and anti-inflammatory cosmetic effects;
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4.Shikonin extract shikonin is mainly used for hepatitis, dermatitis and baby, women vaginitis, cervicitis, and other drugs
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5.Shikonin has antimicrobial, anticancer and anti-inflammatory effect.
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6.Shikonin is used in treating chronic hepatitis, oxyhepatitis and cirrhosis.
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7.Shikonin is used in treating verruca plana and psoriasis.
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8.Shikonin is also known to have wound healing, antitumor, and antithrombotic properties.
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9.Shikonin works as colorant in cosmetic and food products.
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