Polygonum multiflorum is a perennial twining vine of the Polygonaceae family. It likes warm and humid climate. Avoid dryness and stagnant water. It is advisable to choose a sandy loam with deep upper layer, loose and fertile, good drainage, and rich humus. Clay is not suitable for planting. The roots are thin and long., The end becomes a hypertrophic root, and the appearance is reddish brown to dark brown. "The function of raw Shouwu to detoxify containing malaria, moisten the intestines and laxatives, eliminate carbuncle; make Shouwu function to replenish essence and blood, black hair, strengthen bones, liver and kidney.
[Cultivation techniques] Use seeds and cuttingsReproduction. SeedReproduction: Live broadcast mainly, seedlings can also be transplanted. Sowing from early March to early April, row spacing of 30-35cm, after applying human and livestock manure water, the seeds are evenly sown in the ditch, covered with soil 3cm. Seedlings with height of 5cm,Plant spacing is about 30cm. Cutting propagation: From early March to early April, select stems and vines that grow vigorously, robust and disease-free plants, and cut cuttings about 25cm in length, each with 2 to 3 nodes. Row spacing 30 to 35cm,The plant spacing is about 30cm, the hole depth is about 2cm, and each hole is placed 2 to 3, and should not be inserted upside down. Cover the soil tightly and apply human and animal manure.
[Field Management] Keep the field moist during sowing and cutting. Weeding should be paid attention to during the growth period, and human and animal manure water should be applied once in May. The height of the seedlings should be about 30cm, and bamboo poles or branches should be inserted for the tangled growth of stems and vines. DecemberWhen falling the seedlings, combine to remove dead vines, apply decomposed compost or soil mixed fertilizer once, and cultivate soil in the rhizosphere.
【Pests and diseasesControl Leaf spot disease can be sprayed 1:1:120 Bordeaux mixture at the initial stage of the disease, spray once a week for 2 to 3 times in a row. There is also aphid damage.