Panax notoginseng-- Ju Sanqi
Alias red back Panax notoginseng, earth Panax notoginseng, broken blood Dan.
The source is Gynurasegetum (Lour.) Merr. The root.
Plant morphology perennial herbs, 1-1.5 m high. Stem erect, fleshy, finely angled. Basal leaves fascicled, spatulate, entire or serrate or pinnately divided, purplish green below; cauline leaves alternate, long elliptic, long 10~25cm, wide 5~10cm, pinnatifid, lobes ovate to lanceolate, margin lobed or sparsely serrate, petiole base with pseudostipules 1 pairs. Heads arranged into corymbose; involucral bracts Terete, bracts 2-layered, outer layer filiform; tubular flowers golden, bisexual. Achenes narrowly Terete, brown, angled, with numerous crown hairs. The florescence is from September to October.
Born in damp and fertile places; or cultivated. Produced in Sichuan, Yunnan, Guangdong, Guangxi, Jiangxi, Jiangsu, Hunan.
The roots were dug in autumn and cultivated in the second year, fresh or dried.
The root of the character is grayish brown or yellowish brown on the surface, with tuberous protuberances and intermittent arc grooves in all, stem or bud marks at the top of the protuberance, and fibrous roots or broken roots in the lower part. The quality is solid, not easy to break, white when fresh, light yellow when dry, with chrysanthemum heart. The taste is light and bitter.
The chemical constituents include chrysanthemum notoginseng alkali A (seneciphyllinine) and Panax notoginseng alkali B (seneciphylline).
The nature is warm, sweet and bitter.
The main function is to break blood and disperse blood stasis, stop bleeding and detumescence. For fall injury, traumatic bleeding, hematemesis, postpartum blood gas pain.
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Diseases of Panax notoginseng at seedling stage and its control
Because Panax notoginseng grows in a shady and humid environment all the year round, many diseases such as black spot, round spot, blight, rot, powdery mildew and other diseases are seriously harmed, and the perennial losses caused by various diseases amount to 30% to 40%, and the serious ones reach more than 80%. In the stage of emergence and long leaves of Panax notoginseng, the plant is tender, the root system is underdeveloped and the stress resistance is poor, which is an important period for the first infection of many kinds of pathogens. If the spring rain is early and frequent, the disease will spread rapidly and the damage will be serious. It usually takes 60 to 75 days from sowing to emergence of Panax notoginseng.
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Planting and Management of Panax Notoginseng
(1) to summarize the aliases Tian Qi and Jinbu. Panax notoginseng (Panaxpseudo-ginsengWall.), a plant of Araliaceae, is used as medicine with root and rhizome. Is a valuable traditional Chinese medicine, raw use can stop blood stasis, swelling and pain, Yunnan Baiyao is the main ingredient, the flowers and leaves of the same plant can also be used as tea. It is also cultivated in Yunnan, Guangxi, Sichuan, Hubei, Jiangxi and other provinces. It was successfully introduced to the south of Qinling Mountains in Shaanxi Province. (2) Plant characteristics perennial herbs. The stem is erect, 30 to 100 in height.
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