Huang Jing cultivation technology

Huangjing is a dried rhizome of the lily family P. sibircum Red, P. Cyrtonema Hua, or P. Kingianum Coll. et Hemsl. According to the different properties of medicines and herbs, they are known as "Chicken Huang Jing." "Ginger-shaped yellow essence." Huang Jing is flat and sweet. With spleen and lungs, Qi and Yin effect. Huang Jing is mainly produced in Hebei, Inner Mongolia, Shaanxi Province and other provinces. The multifloral Huang Jing is mainly produced in Guizhou, Hunan, Yunnan, Anhui, Zhejiang and other provinces. Huang Zhijing is produced mainly in Guizhou and Guangxi. Yunnan and other provinces.
(A) Morphological characteristics Huang Jing is a perennial herb, with the rhizomes traversing away, fleshy, and pale yellow, with the tip sometimes protruding like a chicken-like head with its stem erect and 50-90 cm high. The impeller is born with 4-6 pieces per round, linearly lanceolate, 8-15 cm long, 0.4-1.6 cm wide, and tip curled. Flowers axillary, often 2-4 flowers, pendulous, peduncle length l-2 cm; perianth tube, white to pale yellow, 0.9-1.2 cm long, apex 6 lobed, stamens 6, filaments Short, 0.5-1 mm long, style 1.5-2 times longer than ovary, berry spherical, black when mature. Flowering from May to June, fruiting from July to September. The main characteristics of the multifloral polygonatum are stem height 40-100 cm, leaf alternate, elliptic, ovate-lanceolate to oblong-lanceolate, veins 3-5. Pedicel flowers 2-7, arranged in an umbrella on the pedicel; perianth yellow-green, 1.8-2.5 cm long; filaments papillose or hairy, apical bulge to the top. The main characteristics of P. sibiricus are: stem height 1–3 m, apex often writhing, impellers growing, 4–8 per round, leaf linear to linear stipitulate, 6–20 cm long, 0.3–3 Centimeter, tip acuminate and climb. Pedicel with 2-3 flowers, not umbrella-shaped; perianth pink, 1.8-2.5 cm long, red berries ripe.
(ii) Growth habits Huangjing is wild in damp mountain bushes and woodland grasses. It is hardy and the seedlings can overwinter in the fields, but should not grow in dry areas. The seed germination time is longer, the germination rate is 60%-70%, and the seed life is 2 years.
(III) Cultivation Technology
1. Select land, site selection wet and well-enclosed plots, soil with loose texture, water retention loam or sandy loam is appropriate. Before planting, deep-sweep 1 time, combine soil preparation with 2,000 kg of manure per acre and apply it to the soil as a basal fertilizer, and then level and level it.
2. Propagation methods (1) Rhizome propagation in late fall or late March in early spring or before or after the end of March, choose 1-2 years of robust, disease-free plant rhizomes, select the young part of the apex, cut into several sections, each section has 3-4 sections, wounds Slightly dry, planting 22-24 centimeters apart, planting 10-16 centimeters, and planting 5 centimeters deep. Apply a little pressure and water after covering the soil. Water every 3-5 days to keep the soil moist. When planting at the end of the fall, some circling fertilizer and grass should be covered after freezing to keep warm.
(2) Seed propagation After mature seeds in August, select mature and full-grown seeds and immediately perform sand treatment: 1 part of seeds and 3 parts of sand are uniformly mixed. Store in a pit 30 cm deep in the shade and keep it moist. The seeds will be screened out in the second half of March, and the seeds will be evenly spread in rows of 12-15 centimeters in the shallow ditch of the sorghum. The cover soil will be about 1.5 centimeters. After a little pressure, it will be watered and covered with a layer of grass moisturizing. Remove the cover grass before emergence. If the seedlings are 6-9 cm high, the seedlings may be transplanted in the dense planting site after 1 year. In order to meet the shading conditions required for the growth of Huang Jing, corn can be grown on the loquat.
3. In the early growth period of field management, we should often cultivating and weeding the soil. Each year, we should carry out cultivating and weeding in April, June, September and November each year. In case of drought or the need to plant in a more sunny, dry place, water in a timely manner. Each year we combine top tillage and weeding for top dressing. After the first three times of cultivating, 1500 kg of soil-fertilizer is applied per mu, 50 kg of superphosphate, 50 kg of cake fertilizer. Mix well and then spread fertilizer between rows and apply fertilizer. Huang Jing avoid water and hidding shade, should pay attention to drainage and intercropping corn.
4. Prevention of Diseases and Insect Pests (1) Black spot disease occurs more than in spring, summer and autumn, and damages the leaves. Control methods: Clear the garden at the time of harvest to eliminate the diseased body; spray 1:1:100 Bordeaux mixture in advance, once every 7 days for 3 consecutive times.
(2) Infestation of larvae with larvae damages the roots, cuts off seedlings, or eats roots from seedlings, resulting in broken seedlings or hollow roots. Control methods: Available 75% phoxim EC according to seed amount 0. l% seed dressing; or in the field period, with 90% trichlorfon 1000 times watering.
(4) Harvesting and processing are generally harvested in spring and autumn, harvested in good quality in autumn, harvested after 3-4 years of cultivation in the autumn, and the roots are excavated, the above-ground parts and fibrous roots are removed, and the soil is washed away. When the steamer is steamed until it is moist, take it out to dry or dry it, or place it in boiling water, remove and dry it or dry it.
(5) Seed-retaining techniques Huangjing can be propagated using rhizomes and seeds, but it is better to use roots and stems in production. Before or after late autumn or early March in early spring, select robust and disease-free plants to dig underground rhizomes as breeding materials. Direct planting.

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