Lycium barbarum can be planted in Longxian County, Shaanxi Province. Originated in northern China: northern Hebei, Inner Mongolia, northwestern Shanxi, northwestern Shaanxi, Gansu, Ningxia, Qinghai and Xinjiang. Causal medicinal cultivation has been introduced and cultivated in many provinces and regions in central and southern China, especially in Qinghai, Ningxia and Tianjin. Modern European and Mediterranean countries are generally cultivated and become wild.

1. Seed propagation

Excellent varieties can be selected, and mature fruits with large fruits, bright colors and no pests and diseases can be picked in summer.

Soak in warm water at 30-60℃, rub the seeds, wash and dry for later use. Before sowing, evenly block with wet sand (1:3), put it at room temperature of 20℃ to accelerate germination, and sow after 30% of the seeds turn white or soak in clear water for one day and night. Sowing can be done in spring, summer and autumn, mainly in spring. Spring sowing in late March to early April, furrow sowing with row spacing of 40cm, furrow sowing depth of 1.5-3cm, covering soil of 1-3cm. After the seedlings are unearthed, they should be watered according to the soil moisture. Seedling height 1.5-3cm, weeding 1 time, and weeding 1 time every 20-30 days. The height of seedlings is 6-9cm, and the planting should be regular. The plant spacing should be 12- 15cm, and 15,000-18,000 seedlings should be reserved per 1hm2. Combined with irrigation, topdressing should be carried out three times in May, June and July. In order to ensure the growth of seedlings, the lateral buds of seedlings should be pulled out in time when they are 40cm off the ground, and the seedlings should be cored when they grow to 60cm, so as to accelerate the growth of trunk and upper branches. When the roots grow to 0.7 cm thick, they can be transplanted from the nursery.

2. Cutting

Collect lignified annual branches with diameter greater than 0.3cm from excellent mother plants, cut into cuttings with length of 18-20cm, tie them into small bundles, put them in a pot, soak them in 100× 10-6α- naphthylacetic acid for 2-3 hours, and then cut them with plant spacing of 6-20 cm.

Tiantuan management

1 intertillage weeding was carried out in May, June and July,

65438+1late October-165438+1early October, sheep manure, manure, cake fertilizer, etc. It can be used as base fertilizer and topdressing, urea can be applied in May, and phosphorus-potassium compound can be applied in June and July. The young trees were reshaped. After planting Lycium barbarum, 3-5 stout branches were selected as main branches around the upper part of the trunk in the autumn of that year, and they were cut short at about 20 cm. When new branches appeared on the branches in the next spring, they were cut short at 20-25 cm as backbone branches. In the third and fourth years, according to the method of the second year, we will continue to use the long branches on the main branches to expand, increase and enrich the crown skeleton. After 5-6 years of plastic culture, it entered the stage of tree formation. Adult trees are pruned every spring, including dead branches, cross branches, rooting and sprouting branches. In summer, dense branches are removed, sparse branches are kept, and clustered branches, pest branches and needle-punched branches are cut off. Prune completely in autumn, arrange the crown, and choose to keep good fruiting branches.

Pruning principle: remove the old and keep the new, remove the disease and protect the health, remove the weak and protect the strong, so that the bearing branches are evenly distributed in the crown. It is required to cultivate more fruiting branches and cut off unfruitful branches.