Cutting of Carnation in Winter and Spring
Carnation is an annual or perennial tufted herbaceous flower of Carnation family. Its propagation can be carried out by sowing, cutting, striping, tissue culture and other methods, generally using cutting propagation, in winter and spring.
Generally speaking, the cutting of carnation can be carried out from December to April of the following year, especially from January to February, when the lateral buds used for cuttings grow healthily and have the best quality; at the same time, cutting during this period can control the flowering of plants in the second year New Year's Day and the Spring Festival. The survival rate of cutting in March is also higher, but the growth after that is not as good as that from January to February, which can be carried out at this time as a need for replanting. For cutting carnation, culture soil should be prepared first. Generally, garden soil should be mixed with 30% to 40% rice chaff ash or sandy soil, mixed evenly, and placed in pots or wooden boxes.
The cuttings should be carried out in the greenhouse, and the cuttings should be selected from the mother plants with strong growth, neat flowering and thick nodes and short branches. The "break picking method" should be adopted when picking cuttings, that is, taking the trunk of the main branch in one hand and selecting the buds in the other as the buds of the cuttings, peeling off the old leaves and buds at the same time, making the base complete and with node marks, soaking the cuttings in water or spraying water in the peeling place, so that they can absorb enough water and leave them for cutting.
The depth of cuttage should be from 1 to 2 of the length of cuttings. Pour water after insertion and keep the temperature from 10 ℃ to 15 ℃. At the beginning of the insertion, it is generally necessary to shade the sun in a sunny day to avoid strong light, which can be shaded for about 2 weeks. Cuttings can take root in about 30 to 45 days, and generally can be transplanted after one month of seedling survival.
If the cuttings are cut after March, the selected cuttings can be slightly longer. Due to the gradual increase in temperature, large temperature difference between day and night, and high humidity, it is necessary to set up a frame to shade the sun for about 3 weeks, and pay attention to ventilation to prevent seedlings from suffering from diseases and insect pests.
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Planting techniques of Carnation
Carnation is suitable to grow in a relatively dry and ventilated environment. Therefore, it is necessary to reduce the number of irrigation and room temperature in rainy and hot seasons. Carnation is a light-loving plant, so it is necessary to choose a place with plenty of sunshine and ventilation. At the same time, the root system of carnation is shallow, which is suitable for growth in loose, fertile and rich humus. A moist sandy loam with good drainage. If the soil is sticky and heavy, sawdust should be mixed with topsoil. The suitable pH value of soil is pH6.0~7.5. [propagation methods] Cuttage, sowing and tissue culture are commonly used.
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How does the domestic geranium reproduce?
The most practical way to raise flowers in family is to use cuttings in pots. Cuttage time 4-5 months or 8-9 months is appropriate, should be determined according to the local temperature (18-20℃) growth season specific cutting time; culture soil to loose ventilation drainage, the best choice of sand, pearlite, rotting soil each a mixture, or coarse river sand, ripe soil or expanded pearlite, are required by the sun exposure and other methods of disinfection after application. Cuttings can be combined with spring and autumn pruning, choose a year without pests and diseases to develop healthy young shoots for cuttings, about 8 cm long, in the
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