Propagation method of coptis chinensis

Coptis chinensis' propagation

Reproduce with seeds. Seed basal embryo post ripening type. After the seeds are ripe and harvested in early May, choose a cool and flat hillside and build a shade shed with branches. The rainwater can naturally pour into the shed. Dig a 20cm deep pit and store the seeds and wet sand in the pit. After low temperature in the morning, evening and autumn,

The embryo develops and forms gradually. From October to November, after the seeds are cracked, they are sown in the high border, 22.5 ~ 37.5kg seeds are sown every 1hm2, and covered with cow and horse dung. In late February of the next year, a low shed was built on the border for shade, and the seedlings appeared in early March. The fallen leaves on the border were picked up and the weeds were removed. In the seedling stage, quick acting nitrogen fertilizer should be applied to accelerate the seedling from May to June, and fine broken cow and horse dung and fire ash humus soil should be sprinkled from October to November to facilitate overwintering.

The traditional planting technology adopts canopy shading. In winter, trees are cut down to build a 1.2m high shade shed, with a shading degree of about 70%, and a 1.6m wide and high border (box) is made in the shed. When the seedlings in the nursery have grown 4 ~ 6 true leaves in March of the third year after sowing, they shall be transplanted with a row spacing of 10cm × 10cm, 3 ~ 5cm deep, 750000 ~ 900000 seedlings per 1hm2. Maize intercropping and forest planting techniques are used. In winter, shrubs such as hemp and mulberry and trees such as pine and fir are planted at intervals with a row plant spacing of 1.6m square on the border surface. At the end of early spring and February, corn seedlings were cultivated in plastic low shed as nutrient bowl.

When the seedling height is about 30cm, the maize seedlings are transplanted in the direction of leaf to leaf with the plant spacing of 30cm on both sides of the high border ditch. Coptis chinensis is planted between rows after the ridge of maize leaves is closed in June and July. After the corn harvest in winter, weave a low shed with corn stalks to shade Coptis chinensis. Corn will be replanted the next year. After about 4 ~ 5 years, the shrubs have become forests, which can shade Coptis chinensis, and corn will not be planted.

After the harvest of Coptis chinensis, prepare the land in the forest, apply enough base fertilizer, and then plant Coptis chinensis; After planting Coptis chinensis in shrub forest for 2 ~ 3 seasons, trees have become forests, shrubs can be cut down and Coptis chinensis can be planted under the tree forest. Planting Coptis chinensis with corn and afforestation shading technology not only does not affect the yield of Coptis chinensis, but also saves labor, materials and investment. The storage of living trees is twice as fast as that of trees without Coptis chinensis.