The breeding methods and precautions of Panax notoginseng

1. Maintenance methods

1. Temperature: It has relatively high requirements for maintenance temperature. It grows best when the temperature is above 20 degrees. It is more suitable for breeding in the south, such as Yunnan, Sichuan and other places.

2. Watering: It will take until March or April for the seedlings to emerge after sowing. After emergence, the water consumption is relatively high. Water the plants until water starts to flow from the ground. The watering interval is one week. If the soil is relatively moist, water it once every two weeks.

3. Fertilization: The budding and flowering stages are the two periods when the plants consume the most nutrients, which is from June to September each year. During this period, topdressing is needed. The fertilizer for topdressing is mainly farmyard manure. In addition to farmyard manure, you can also use compound fertilizers with more comprehensive fertilizer effects. It should be noted that every time you apply fertilizer, the fertilizer should not come into direct contact with the plant, as fertilizer damage may easily occur. The frequency of fertilization is twice a month.

4. Light: It is a sun-loving plant, but newly planted plants are not suitable for strong light. They should be mainly exposed to diffuse light. Perennial plants can be placed in a place with sufficient light for maintenance, but they still need shade in summer. They can be maintained under the shade of trees to prevent the branches and leaves from being sunburned.

2. Breeding techniques

1. Reproduction: It can be propagated by sowing. Select seeds from plants that are three years old or older, and sow them as soon as they are harvested around October each year. After sowing, cover them with a layer of soil mixed with fertilizer, and then cover them with a layer of turf. This will promote seed germination, and seedlings will emerge in about one to two weeks.

2. Pruning: During the growth process, dry and rotten branches and leaves will appear and need to be pruned in time.

3. Problem Diagnosis

1. Pests: It has good resistance to insects and is generally not infected. If it is unfortunately infected, it needs to be sprayed with insecticide for treatment.

2. Pathology: It lives in a high temperature and high humidity environment and is more susceptible to diseases. Common diseases include damping-off and anthracnose. Once discovered, the diseased leaves should be trimmed off in time, ventilation should be increased, and it should be sprayed with omethoate once a week for treatment.

IV. Other issues

1. Edibility: It cannot be eaten directly, but it can be used as medicine.

2. Toxicity: It is non-toxic, but pregnant women should use it with caution. Therefore, if you are pregnant, you must consult a doctor before using Panax notoginseng.