How to select the seeds of Polygonum multiflorum? What are the methods of raising seedlings?

Polygonum multiflorum is a kind of polygonaceae, perennial root, perennial herb climbing vine plant, Polygonum multiflorum is hardy, can survive the winter in the field, is not strict with soil, but avoid waterlogging and stagnant water. It is widely distributed in our country and has strong adaptability. With the continuous development of the value of Polygonum multiflorum, more and more farmers are planting. So how to choose the seeds of Polygonum multiflorum? What are the methods of raising seedlings? Next, let's have a look with the editor.

How to select the seeds of Polygonum multiflorum?

Seeds Polygonum multiflorum, to prepare seeds, farmers can choose full seeds, moldy or incomplete seeds should be eliminated, seeds that have been stored for too long, it is best not to choose, it will affect the yield and quality of Polygonum multiflorum.

Polygonum multiflorum, as a bulk medicinal material, can be harvested after planting for three years, and the harvest time is generally at the end of spring and autumn and winter every year. When harvesting, it is necessary to pull out the bracket, cut off the vines of Polygonum multiflorum, and then dig the roots.

The freshly unearthed Polygonum multiflorum looks a bit like a big sweet potato with a reddish-brown skin and solid weight. The specifications in circulation in the general market are Shouwu, Tongshouwu and Shouwu blocks.

Second, what are the breeding methods of Polygonum multiflorum?

1. Seed breeding

The sowing date is in early April. Make a good seedbed before sowing, sow in ditches with a row spacing of 20 cm, with a depth of 3-5 cm, spread the seeds evenly in the ditch, cover the fine soil thinly, cover the seeds slightly, cover them with a layer of firewood and grass, and then drench them with water. Keep the soil moist after sowing and emerge in 10-20 days. After emergence, water once in 2-3 days. At this time, the cover grass should be removed in time, and attention should be paid to pulling out weeds while keeping the border soil wet. The seedling can be planted with a height of 10-13 cm. The amount of seed used per mu is 1-1.5 kg.

2. Cuttage seedling

Polygonum multiflorum is mainly propagated by cuttings, which is planted every spring from March to April. The branches that have been growing for two years are cut into 30cm long, cut upward into the ridge according to the branches, and then sealed with soil. Polygonum multiflorum is planted mainly by ridging, with a monopoly distance of 60 centimeters. If the temperature reaches 15 degrees after planting, seedlings can emerge in about 15 days.

3. Rhizome seedling

The tuber root of Polygonum multiflorum was collected from August to September or February to March every year, and the small root with rhizome was selected for planting, or the large root was cut into several pieces, and planted in the loose, fertile and well-drained land, the root water must be watered once after sowing and managed normally after emergence. The above propagation methods were planted according to the row spacing of 40 cm and the plant spacing of 33 cm, and 1-2 seedlings were planted in each hole.

The above is the introduction of Polygonum multiflorum. Polygonum multiflorum likes to grow in hillside forests, valley thickets and gully stone gaps, and is suitable for planting in southern Shaanxi, southern Gansu, East China, Central China, South China, Sichuan, Yunnan and Guizhou. The root tuber of Polygonum multiflorum can be used as medicine, and has the effect of nourishing blood and nourishing yin, moistening intestines and relieving bowels, dispelling wind and detoxification, and has a broad planting prospect.

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