Identification and cultivation of wood pass
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It is a dried cane of Akebia quinata (Thunb.) Decne. It is a commonly used traditional Chinese medicine. Since the beginning of the 1930s, due to the scarcity of wild resources and the market, it has often been replaced by Guan Mutong. Since 2003, the National Food and Drug Administration banned Guan Mu Tong, which is toxic to the kidneys. Mu-Tong was able to get its name, and its market prospects have continued to be good. Currently, it has been cultivated as a Chinese herbal medicine with prospects for development in some areas. The wood pass is deciduous or semi-evergreen. Branches gray, striped, lenticels prominent. Palmate compound leaves, usually 3–5 leaves clustered on branches or alternate, petiole slender, leathery, lobules 5, obovate or long obovate, 3–6 cm long, apex rounded, slightly concave or apical, base broad Wedge or round, full, slightly pink below. Flowers unisexual and sessile, racemes axillary; males on upper inflorescences, tepals 3, lavender, stamens 6; females on lower inflorescences, perianth 3, staminodes 6, pistils 6. The fruit is of succulent, oblong, rounded at both ends and cracks along the abdominal suture at maturity. Flowering from April to May and fruiting from March. Mutongxi is moist, closed, and cold-resistant. It was born on the slopes, shrubs, or ditch. It is suitable for cold winter and hot summer mountain climate. Plants grow on trees or shrubs. 1 Identification of wood is a commonly used traditional Chinese medicine, often closed before the closure of the wood through the wood pass, Chuanmu pass substitution. However, different types have different chemical compositions, different functions and toxicities, and need to be carefully identified. 1.1 Identification of the original plant 1.1,1 The wood-passage is a wood-pass, plant-leaf, or white-leaf cane of the wood-leaf family, all of which are authentic wood-passages. All three are deciduous wood-wrapped vines, 3 to 15 meters long. The specific differences are: Mutong: Mainly produced in East China. Palmate compound leaves, 5 leaflets, obovate or elliptic, 3–6 cm long. A. trifolia: mainly produced in Zhejiang and other places. 3 out of the compound leaves, leaflets oval or long oval, length and width vary greatly, edge shallow, wavy. Bai Mutong: Mainly produced in Sichuan and other places. Amorphous form of A. trifoliate, but the entire leaflet has a thick texture. 1.1.2 Chuanmutong is a plant of Ranunculus, which is a genus of clematis (Helianthus) or Koji, which are all woody vines. They are 6 to 8 meters long and have a cylindrical stem with vertical stripes. Branchlets have ribs and short hairs. Leaves opposite, are three compound leaves. The specific differences are: Hydrangea vine: mainly produced in Sichuan, Tibet, Yunnan, Guizhou, Taiwan and other places. Leaf blade ovate, broadly ovate or elliptic, 2 to 7 cm long, 1 to 5 cm wide, apex acute or acuminate, 3-lobed, margin serrate. Xiao Mu Tong: Mainly produced in Shaanxi, Gansu, Fujian and other places. Leaves leathery, ovate-lanceolate, ovate or lanceolate, 4 to 16 cm long, 2 to 8 cm wide, apex acuminate, base rounded or shallowly cordate, entire. 1.1.3 Guan Mu Tong is the cane of Aristolochiaceae, which is also known as Tohokuki. Mainly produced in Northeast China, Shaanxi, Gansu, Shanxi and other places. Woody vines, stems with gray cork, longitudinal wrinkles. The leaves are alternate, the leaves are heart-shaped, 10 to 20 cm long, 15 to 23 cm wide, and the base is heart-shaped, full or microwave-shaped. 1.2 Identification of Herbal Medicine and Herbal Medicine 1.2.1 The cane herbs are all cylindrical, twisted, gray or brown on the surface, the skin is easily peeled off from the wood; the wood is grayish or yellowish-white, and the conduits are fine in cross-section, irregularly arranged, central The pith is round and large. The pieces are irregular flakes, light brown or brownish in appearance, with vertical stripes around them, grayish green or grayish brown. Gas slightly, bitter. 1.2.2 Chuanmutong herbs cane is cylindrical, with fine longitudinal grooves and ridges on the surface. The outer skin layer has longitudinal groove tears, section enlargement, cross-section with ridges and duct holes, pith yellow-white or yellow-green, There is a gap. The pieces are round slices with yellowish or yellowish surface, radial textures and fissures, small holes, small white pith, occasional cavities, brownish surrounding, longitudinal grooves and ridge lines. Hard, odorless and tasteless. 1.2.3 Guan Mu Tong herbs cane is long cylindrical, diameter of 1 ~ 6cm, the surface is grayish yellow or light brown-yellow, there are shallow longitudinal grooves and patches of light brown cork skin marks. Lightweight, hard, yellow-white or yellow cross-section, narrow skin, wide wood, mostly pinhole, or multi-layered concentric rings, with white ray like spider's web, small pith, narrow Strips. The pieces are round slices, and the wood is wide. There are multiple layers arranged in circular holes and radial textures. The pith is not obvious and the skin is thin. Lightweight and hard. Gas slightly, bitter. 2 Cultivation points 2.1 The cultivation site should be selected from fertile brown forest soil and sandy soil with convenient irrigation, well-drained mixed forests, or secondary forest mountain valleys and gentle slopes (less than 10 to 15 slopes). Soil preparation before sowing. 2.2 Propagate at the right time with seeds. Suitable planting time is from April to October. Select the rainy day or sunny afternoon when the sun is skewed, according to the spacing of 20 ~ 25cm trenching, plant spacing can be soil fat, management thickness, drainage and irrigation is easy and set. After the seeds were sown in the ditch, the cover soil was 2 to 3 cm in diameter and was suppressed. 2.3 Field Management 2.3.1 Keep the soil moist after sowing, and pay attention to drainage during the seedling growth period. 2.3.2 Early introduction of vine seedlings with a height of more than 30 cm should be framed and introduced, and a variety of branches can be used to form a fence bracket. 2.3.3 Fertilizer application period Fertilizer farmer 2 or 3 times. 2.4 Pest Control 2.4.1 Papilion larvae eat leaves and stems from July to September. Control methods: manual killing or spraying with 90% of trichlorfon 500-800 times. 2.4.2 Locusts damage the leaves. Control method: Spray with 40% Dimethoate 2000 times. 3 Harvest processing The autumn and winter seasons harvest the base, remove the head and tail and young shoots, scrape off the rough surface of the wood and dry it. During the drying process, the cane is straightened, and 7 to 80% dry, according to the diameter of coarse subdivided bundles, and then continue drying and Serve. 4 Seeds are seeded with seeds that are large, full, and free from pests and diseases.