Ginseng fruit breeding seedlings in two ways: First, seed reproduction, that is, sexual reproduction; Second, cutting propagation, that is, asexual reproduction.
I. Seed breeding seedlings
1. Soil preparation and fertilization: Before planting, carry out land reorganization, hoeing, applying base fertilizer, and disinfecting to keep the soil moist. Sprinkle a layer of fine sand on the surface.
2. Seed selection: It requires good color, uniform size, full grain, dry and no mildew.
3, seed treatment: can be soaked in warm water, drug seed dressing, etc., in order to achieve early emergence, seedling Qi, seedlings strong purpose. Soaked seed, package
In a gauze bag, provide appropriate temperature, moisture, and air for germination.
4, sowing methods: broadcast, drill and on demand. Because of the small seeds of ginseng fruit, sowing methods are often used. Sowing should be uniform, the average species distance 57
Or 77 (centimeters).
5. Management after sowing: Sprinkle a layer of fine sand on the surface to cover the seeds. If the temperature is below 12°C, cover the film to keep the soil temperature and soil.
Soil humidity. If the nursery pods are dry, they should be sprayed with water to facilitate germination and should not be sprayed with large water. After the seedlings are unearthed, the mulching film needs to be removed. To avoid the scorching sun
Exposure can cover the shade net. During the nursery period, it is usually sprayed once every 10 days with low-concentration nitrogen fertilizer, and at the same time, field management is strengthened to prevent and control pests and diseases.
Ensure that the seedlings grow robustly.
Second, cutting propagation seedlings
Cutting propagation of seedlings is a simple method commonly used for ginseng fruit. That is, take the ginseng stems, cut into cuttings (cuts), and insert them into the soil.
It germinates under suitable environmental conditions and grows into robust plants.
1. Selection of cuttings and stems: The fresh stems with good genetic traits and high-yield strains should be selected, and no disease or defect should be found. cutting
The length of 10-14 cm is appropriate. The cuttings after cutting are inserted in the soil in time, otherwise they should be placed in a dark place or covered with a damp cloth to prevent dehydration.
2. Selection of cutting time: Although ginseng fruit can be cut in all seasons, the survival rate of spring sowing and autumn cutting is high. Cuts in the day, should be in the afternoon 4
It is carried out afterwards to increase the survival rate. The suitable temperature for cutting can be performed within the range of 15-30°C.
3, cutting method: Before cutting, in order to improve the survival rate, can use growth hormone soaking cuttings. When cutting, insert the cutting into the soil, then cover the earth pressure
Tight, so that the cuttings exposed about 4-6 cm on the ground, row spacing of about 10-15 cm, spacing of about 6 cm. After cutting, timely watering, watering visual
Physical conditions are discretionary.
4. Management after cutting: In the late spring and summer autumn cuttings, in order to prevent sun exposure, shading should be performed and fine water should be sprayed.
Remove the shading tool. If cuttings are cut in winter or when the temperature is low, in order to prevent freezing damage, they should be carried out in a greenhouse or a plastic greenhouse, and covered with small arches.
Film and straw. After the rooting of the seedlings, the decomposed human fecal urine water may be applied to promote the emergence of new roots. In the case of suitable external environmental conditions,
About 20-30 days after transplanting, colonization or seedling transplantation can be performed.
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