The propagation method of the latest primrose
Primrose is cultivated in all parts of our country. Because of its strong adaptability to soil, drought tolerance, vivid plant appearance and pruning-resistant growth habits, primrose is widely used as greening materials for garden lawn, courtyard ornamental and soil and water conservation. Cuttage is the main method of propagation. Striping and split propagation can also be used. Let's take a look at the breeding methods of primrose.
Cuttage propagation
Spring, summer and autumn can be carried out, cut semi-lignified branches 12-15 cm long, inserted into the sand, keep moist, about 15 days to take root.
Striping propagation
The longer branches were buried shallowly in the sandy soil without being scratched. They took root after 40-50 days and were separated and transplanted from the mother plant in the following spring.
Ramet propagation
It can be carried out when the buds sprout in spring. When transplanting in spring, part of the aboveground branches should be amputated, and the lodging soil should be brought. It can also be dried, that is, after cutting in the whole seedbed, it can be filled with water. Cutting can be carried out from mid-October to mid-November or in spring.
Water insertion propagation
1, time: can be carried out all year round, winter water container can be placed indoors to the sun, summer should pay attention to shade, to prevent the hot sun, water temperature should be maintained at 15: 20 ℃, cuttings rooting fast, high survival rate.
2. Cuttings: cuttings choose branches with strong, full growth and full bud eyes in the current year. The length of the cuttings is generally 8-12 cm, and 2-4 nodes can be left. The cuttings are cut flat at about 2 mm under the lowest node, and every 10 branches are tied into a bundle. If there are too many leaves in the upper half of the cuttings, they can be removed properly to facilitate rooting.
3. Containers: containers are large-caliber pots or shallow jars or glass jars, porcelain jars and other containers, which should be washed clean before use.
4. Method: fill the container with clean Rain Water, river water or tap water, as deep as 8cm, then arrange the bound cuttings into the water with a depth of 4cm to 6cm. Then put the container in an outdoor ventilated and half-shaded place, and the water quality must be kept fresh and clean, and the water can be changed every 3 to 5 days. Generally, tumor-like healing tissue can be produced about 20 days after insertion, and fibrous roots can grow in about 35-40 days.
5. Cultivation: when the whisker root grows to 3-5 cm, it must be planted in time, pay attention to the operation carefully, do not damage the root system. Generally, after planting, shading treatment can be carried out for about 10 days, then normal management can be carried out.
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The latest course of disease and pest control techniques and methods of primrose
Primrose is a deciduous shrub of Oleaceae Jasminum, which is light-tolerant, slightly shade-tolerant, cold-tolerant, waterlogging-resistant, requires a warm and humid climate, loose, fertile and well-drained sandy soil, grows exuberantly in acid soil, poor growth in alkaline soil, strong root germination and branches.
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The growth habits of the latest primrose
Primrose and plum blossoms, daffodils and camellias are collectively known as the four friends in the snow. They are one of the common flowers in China and have always been loved by people. They are dignified and beautiful in color, extraordinary in temperament, not afraid of cold and majesty, and have strong adaptability. They have always been loved by people.
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