The latest course on planting techniques and methods of Rubia cordifolia

Rhizoma Rubiae, alias blood sorrow, blood, windmill grass, is a kind of Chinese herbal medicine plant that can be taken both internally and externally. it mainly has the effect of cooling blood to stop bleeding and removing blood stasis, and is mainly used to make hemostatic drugs. Mainly distributed in Northeast China, North China, Sichuan and Xizang, now the market is mainly wild resources, the following editor brings its planting technology, let's have a look.

1. Soil preparation and fertilization

Qiancao likes cool and humid environment, has strong cold resistance, is afraid of stagnant water, and requires loose, fertile, sandy loam rich in organic matter. It is not suitable to plant in areas where the soil is too barren or easy to accumulate water. Before planting, clean up the residual weeds, and then apply 3000 kg of soil fertilizer and 50-80 kg of nitrogen, phosphorus and potassium fertilizer per mu to facilitate drainage.

2. Reproduction

The previous crop can be propagated through seeds and cuttings, in which sowing can be divided into spring sowing and autumn sowing, spring sowing time before and after Ching Ming Festival, autumn sowing before freezing. When sowing, open a shallow ditch on the border surface, sow the seeds into the ditch, then cover the soil and water, preserve soil moisture, ditch distance 30cm, sowing 3 kg per mu. The stems and vines with strong growth, good development and no diseases and insect pests were selected by cutting, cut into cuttings according to every 2-3 nodes, inserted into the soil according to the row spacing of 10 × 5cm, and then watered, preserved soil moisture and shaded.

3. Field management

No matter sowing or cutting, it takes one year to transplant. When transplanting, the seedlings will be planted on the border surface with a row spacing of 50 × 30cm, watering to preserve soil moisture and promote survival. After the emergence of Rubia officinalis, attention should be paid to weeding and weeding in order to avoid weeds grabbing nutrients, ploughing and loosening the soil can make the root system grow smoothly, but also pay attention to water, timely watering in drought, drainage and waterlogging prevention in cloudy and rainy days, so as to avoid rotting roots. But when the seedlings grow to 30cm, they should set up pillars so that they can climb.

4. Pest control

The main planting diseases of Rubiae are root rot, brown spot and powdery mildew, and the main insect pests are aphids. Root rot mainly occurs at high temperature in summer, when it shrinks branches and leaves, leaves yellowing and shedding, root rot dies, and can be controlled by limewater or acetaminophen. Brown spot mainly occurs in July, which mainly harms leaves and may occur together with root rot, and Bordeaux solution or Diysen zinc can be used to control powdery mildew. Aphids can be sprayed with dichlorvos or insecticides.

The above is the planting technology of Rubia officinalis. I hope it can help you. If you want to know more about the planting of medicinal materials, please follow us.