Gynostemma pentaphyllum, also known as aesculum, is a traditional Chinese medicine. Medical research believes that: Gynostemma has a significant inhibitory effect on various cancer cells; it can prevent the treatment of infectious hepatitis, pyelitis, chronic bronchitis, but also has significant sedative, anti-inflammatory, detoxification, cough expectoration and anti-aging, anti-fatigue effects Therefore, it was listed in the top five kinds of Chinese herbal medicines to be developed in the "Spark Program" of the State Science and Technology Commission. Its cultivation techniques are as follows. Loose, fertile, moist loamy soil and convenient drainage and irrigation areas with shading are selected for site preparation; planted plots should be selected for gentle slopes, rich in humus, with good drainage and irrigation conditions, and neutral or slightly alkaline. Sandy loam. It is also possible to use a loose, fertile, well-drained flat land where artificial stalk crops are shaded for artificial cultivation. After the land is selected, deep plowing, leveling, and squeezing are carried out to apply sufficient basal fertilizer to make sorghum so as to facilitate drainage. 1. Breeding mainly depends on seed propagation, and it can also be propagated by cuttings. 1. Seeding: In early March-April, seed drilling or hole sowing should be carried out on the flat seedbed. 1 seeding: suitable for sorghum as a ridge, the required ditch deep 3 to 5 cm, ditch width 6 to 10 cm, spacing 30 to 40 cm, in order to frame rattan. Seeds in the broadcast ditch 1 to 2 cm apart; 2 live broadcast: every 16 to 20 cm open a ditch for live broadcast (required the same seeding); 3 on-demand: hole distance is 16 to 20 cm, sowing 3 to 4 seeds per hole. After sowing, the surface of the ditch and the surface of the hole cover 1 to 2 cm of fine soil. 2. Cutting propagation: Before and after the Qingming period, it is possible to select the stems and vines that grow vigorously and slightly, cut from the base of the stem at 50 to 60 cm, cut into 15 to 20 cm long stem segments, each with 2 to 3 Festival. Then, according to the spacing of 15 cm, 5 cm spacing between the insertion of seedbeds, can be used when inserting a small wooden stick or bamboo chopsticks in the hole on the bed, will be inserted into the hole half, compaction watering. If 500-300ppm indole acetic acid (1AA) solution is used, rapid dipping of the lower end of the incision, followed by cutting, can speed up hair rooting and high emergence rate. Second, field management 1, cultivator weeding and topdressing: a fertilizer applied at the seedling stage, with phosphorus and potassium fertilizer, the first time after harvest, and then apply a fertilizer; after the second harvest after the fall, apply winter fertilizer to apply organic fertilizer As well. Before the seedlings are not enclosed, they must often plough the soil and weed them; if they are short of plants, they can dilute in time and sparsely and transplant them with soil to ensure that the whole seedlings will be irrigated in time after summer and keep cool to prevent the high temperature and dryness. The plants are burned or grow slowly. 2, scaffolding: When the seedling height of 30 cm or more with a bamboo or tree branches erected into a "human" shaped stent, about 2 meters high, in order to facilitate the growth of climbing vine stems. 3, pest control: 1 powdery mildew: 50% thiophanate 1000 times, spray every 7 to 10 days 1, 2 or 3 times. 2 Leaf A: Generally occurs from June to October. Control methods: Spray 90% trichlorfon 1500 times. Snail: In the early morning, it will be caught by hand or lime powder.
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