Cultivation Technique of Artemisia sphaerocephala

Artemisia halodendron belongs to the genus Artemisia of the genus Artemisia. It is perennial and semi-shrubs, and its main root is obvious. It is more than 3 meters into the ground, and its lateral roots are well developed. It is densely covered with sand of 10 cm to 70 cm. The stem is erect, the base is stout, and the height is 50 cm to 120 cm. From 10 to 30 clusters, when the skin is grayish brown from 1 to 2 years of age, the skin becomes gray-brown in adulthood, leaves grayish green, pubescent when young, large in lower leaves, and pinnatisect in two. Lobes linear, 1.5 cm to 3 cm long, 1 mm wide, upper leaves shorter, trifid or indehiscent. Most flower heads, 2 mm to 3 mm in diameter, arranged in complex racemes, with short stems and bar-shaped temporal lobes; total ovate, 3 mm long, sepals 3 to 4 layers, broadly ovate, Wide marginal membrane, more than 10 flowers, outer female, fertile, inner sex, infertility; achene fine, hairless, brown, the appearance of a layer of white adhesive structure of polysaccharide material, accounting for 20% of the seed weight With water, it can easily swell and form a cluster with sand grains to form natural large-grained seeds. It is easy to absorb water and store water, and is easy to germinate and emerge. When conditions are suitable, it can germinate and sprout in 3 days. The seed grain weight is 0.8g to 1.0g.
Characteristics of Forage Grass Artemisia sphaerocephala has strong anti-arid, drought-tolerant, cold-tolerant and thin-tolerant properties. It often mixes with flower buds, sand calluses, and sand rice, or forms a single dominant community. It grows on mobile and semi-mobile sand dunes. After the mobile sand dune was fixed. Seeds are highly viable. When buried in sand, the polysaccharides coated by the epidermis absorb water and form colloidal blisters. The amount of water absorbed can be equivalent to several times the seed weight, and the sprouting takes place very quickly. When the soil moisture content of sandy soil is less than 1%, the plants begin to wither. When the surface temperature of sand reaches above 60°C, they will not burn and die. In an arid environment with an annual rainfall of less than 100 mm, they can grow and develop normally. On the mobile sand dunes, the plant height can reach 150 cm, and the growth of the underground part is stronger than that of the aerial part. The root width of the 5th instar is 7.5 times that of the crown. Artemisia sphaerocephala grows slowly, generally returning to green in mid-March, and flowering on July 10th. Seeds mature in mid-September, and deciduous browns begin around November 10, with a fertility period of 120 days and a growth period of 180 days to 200 days.

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