Cultivation methods of Lycium barbarum L. for leaves

The main results are as follows: 1 soil adaptability Lycium barbarum has strong adaptability to soil and can grow in drought, sand famine and saline-alkali soil, but the growth of semi-alkaline soil with deep, loose, fertile and good drainage is the best.

(2) the propagation method of Lycium barbarum is relatively easy, such as sowing, cutting and dividing plants. seed propagation and cutting propagation are generally used in production.

2.1 seed propagation is generally sown at the end of March and the beginning of April.

2.1.1 7-10 days before sowing, soak the ripe dried fruit in 40-50 ℃ warm water for one day and night, crush the swollen fruit, separate the seeds, wash them clean, then mix the seeds with 5-10 times fine sand, add warm water to wet to accelerate germination, and germinate after 5-7 days.

2.1.2 the nursery bed is prepared to choose sandy loam or light loam with flat terrain, good drainage and irrigation and fertile soil, ploughing 20 cm, applying rotten organic fertilizer 4000 kg per mu, compound phosphate fertilizer 25 kg, raking fine and leveling, making a flat bed 1 meter wide, watering the ground 3-4 days before sowing.

2.1.3 sowing in general trench sowing, ditching according to row spacing of 15 cm, width of 5 cm, ditch depth of 2-3 cm, seed consumption of 0.5-0.7 kg per mu, covering soil and light pressure.

2.1.4 after seedling emergence, the seedlings should be irrigated in shallow water at the right time, when the height of the seedlings is about 5 cm, and when the height of the seedlings is 6-8 cm, the distance between the seedlings is about 5 cm. To timely ploughing weeding, fixed seedlings for the first topdressing, 5 kg of urea per mu. It is found that the tiger can be killed with poison bait.

2.1.5 timely transplanting can be done when the seedling height is 80 cm. Dig holes according to row spacing of 2 meters and plant spacing of 2 meters, plant 2-3 plants in each pit, and apply sufficient base fertilizer.

2.2 Cuttage propagation is generally from late March to early April.

2.2.1 before Chinese wolfberry germinates, annual branches with a diameter of about 0.4-0.6 cm are collected and stacked into cuttings of about 15 cm, each cuttings have 2-3 buds. Treated with α-naphthylacetic acid and then placed on the hotbed of 24-26 ℃ to promote roots, about 60% of the cuttings formed callus, and some of them grew white roots, which could be cut. According to the row spacing of 25 cm, the plant spacing of 15 cm cutting, the upper end of the cuttings with 1-2 buds exposed to the ground, covered with plastic film.

2.2.2 after seedling management cuttings germinate, the plastic film should be removed in time to keep the soil moist. Miao Qi can chase thin human feces and urine after that.

2.2.3 when the seedling is 50 cm high, it can be transferred into the field. The root system should be less damaged and the seedlings should not be broken when the seedlings are raised. The planting row spacing is 2 meters and the plant spacing is 1.5 meters.

3. Field management

3.1 watering and fertilizing Chinese wolfberry needs more fertilizer. In addition to applying sufficient base fertilizer during transplanting, topdressing about 15 kg of diammonium phosphate each time in April, May and late June, and spraying 0.2% urea and 0.2% potassium dihydrogen phosphate to the crown every 15-20 days before and after flowering. In late October, ring ditches can be dug at the edge of the crown of mature trees, applying 3500 kg organic fertilizer and 50 kg compound fertilizer per mu, and the young trees are about half of the adult trees. The weather should be watered in time, shallowly watered, and always keep the soil moist.

3.2 ploughing and loosening the soil should be ploughed frequently. Ploughing and weeding should be carried out after each watering and fertilization, and ploughing should be carried out after each harvest, and about 25 centimeters should be turned deep in autumn to enhance the light, increase the soil temperature and kill underground pests.

3.3 the main pests in pest control are medlar flies, aphids, wood lice, mites, ladybugs and so on. It can be sprayed with 1500 times omethoate or 3000 times fenvalerate EC.

The main diseases are powdery mildew and gum disease. Powdery mildew can be sprayed with 1500 times of 15% Fenruoning wettable powder or 2% agricultural antibiotic in the early stage of the disease, once every 7-10 days and 2-3 times in a row. The skin of the injured part can be scraped off with a knife immediately after the gum disease is found, and then brushed and sterilized with 2% copper sulfate.

(4) the Chinese wolfberry can be harvested 50-60 days after planting. First harvest the vigorous branches, leaving the rest of the young branches to continue to grow. When the new branches grow to 40-50 cm before the basal leaves age, the shoots can be harvested at the base and can be harvested in stages.