Salvia miltiorrhiza L. Salvia is a perennial herb root medicinal plant. With blood circulation, menstruation and pain relief, Zhen Shen soothe the nerves, a new health function. Indications irregular menstruation, postpartum siltation, pleural or limb congestion blood, swollen sore and so on. For the treatment of coronary heart disease, chronic hepatitis, early cirrhosis and other diseases have a good effect. (a) the election. Danshenxi is moist and suitable for cultivation of deep, fertile and well-drained near-neutral soils. Avoid water accumulation. (b) Breeding. Salvia miltiorrhiza can be divided into three methods: root-reproduction, stem cuttings, and seed propagation, of which roots produce the highest yield. 1. Reproduction by roots. When harvesting from October to November, choose a healthy and disease-free Salvia miltiorrhiza Bunge. Don't dig it up in the same place. When planting Salvia miltiorrhiza before and after the second year of “seizure,†follow the rooting and planting. Before planting, we must deep-dip and apply enough base fertilizer to make an 80-cm-wide high ridge. Dig holes 25 to 3030 to 40 centimeters apart, and 4-5 centimeters deep, cut the selected roots. Into the root section of 5 cm, soaked in No. 5 ABT rooting powder 410? 6 solution for 30 minutes, while picking up and planting, each planting upright and planting 1?? 2 segments, do not obliquely and seedling, after the cover soil 4 - 5 cm, then compact the surrounding soil. 2. Seed breeding. In early July, in a well-made 100 cm wide and 10 cm high sorghum surface, 10 cm intervals are to be opened in a shallow ditch, and the equivalent amount of fine sand should be sprinkled evenly in the ditch. The cover soil is 0.3-0.6 cm. Make a photo, spread a layer of fine sand. About 10 days to emerge, pay attention to watering during drought, do a good job in field management. In the first half of April of the next year, transplanting can be carried out. The excavated plants and seedlings are cut off to the top of the tail and buds, and a 10-13 cm deep ditch is planted on the surface of the plant. Plants are planted at a plant height of 13-15 cm. A hole, bud head up, cover the bud cover, cover the solid, about 10 days to the whole seedlings. (c) Field management. We should do a good job of cultivating and weeding, timely forced fertilization, cutting and repairing inflorescences, and prevention and control of pests and diseases, so as to create favorable conditions for the growth and development of Salvia miltiorrhiza. 1 Loose soil weeding: Salvia miltiorrhiza grows slowly in the early stage, and weeding and weeding should be carried out in time. Usually, we apply 2-3 times of topdressing before mulching, and remove weeds immediately after mulching. 2 Timely top dressing: 50 kg of ammonium sulfate can be used in the middle of June. Shallow trenches are applied to the sides of the plants, then covered with soil. 3 Inflorescence cutting: Salvia miltiorrhiza without leaving any seeds will be removed to ensure that the nutrients are concentrated in the roots. 4 Prevention of pests and diseases: The main pests and diseases of Salvia miltiorrhiza are root rot, silver-winged moth, and ground tiger. After the onset of root rot, the roots turned black and rotted, the stems and leaves of the leaves wilted, and the disease was prone to occur in the hot and humid seasons of June and August. Control can be timely drainage, avoid continuous cropping, can be used 50% carbendazim 1000 times watering. The larvae of Spodoptera littoralis harmed the leaves of Salvia miltiorrhiza most frequently occurred in summer and autumn. The black-light traps were used to trap and kill adult worms, and 90% trichlorfon 800 times were sprayed on larvae during a period of 7 days for 2-3 consecutive times. Ground tigers harm young shoots and can be captured manually or with 3% malathion powder 1:10 mixed soil and sprinkled between the rows for poisoning.
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