Jade flower breeding and breeding methods : The hosta flower is mainly propagated by ramets, and can be carried out in spring from April to May or from autumn to November. Each 3-5 years, the ramets are divided into two sections, each of which has 2-3 buds, which are planted separately. It is not necessary to water the plants after planting to avoid rotten roots. The seeds are ripe for autumn, dried after harvesting, sowed in the next 2-3 months, and flowered 2-3 years later. It is suitable for fertile, well-drained sandy loam. Potted jade flowers should be moved to the shade or north balcony after the summer to prevent direct sunlight. In the other growing season, it is placed in the semi-light area. After the late autumn, it is placed in the sunny place for cultivation, which is beneficial to its growth and flowering. The hosta flower is moist and fertile. When the plant is planted, the fermented manure should be applied as the base fertilizer, and the water should be poured after planting. Nitrogen-potassium-complexed liquid fertilizer is applied once every two to three weeks after the spring leaves. During the bud stage, the liquid fertilizer mainly based on phosphorus and potassium fertilizer was applied, and the fertilization was suspended at the flowering stage. Watering should be done in time after each fertilization to keep the soil moist, which can promote the green leaves. In the growing season, you should pay attention to frequent watering and loosening in order to keep the soil loose and well ventilated. After mid-November in North China and other places, the upper part of the ground flower of the hosta will wither and enter the winter dormancy. At this time, the above ground part should be cut off, the antifreeze water should be poured, and the fine sand should be covered near the rhizosphere to prevent the root from being frozen. Potted plants should be watered according to the actual dry and wet conditions of the potting soil, so as to keep the soil moist. Starting from the germination of the new shoots, the nitrogen-phosphorus combined thin liquid fertilizer is applied once every 2 to 3 weeks. After the summer, the fertilizer is mainly composed of phosphorus and potassium-containing fertilizers, which is beneficial to the flower bud differentiation and maintaining the pure color. Fertilization should be stopped during flowering. After the fall, continue to apply liquid fertilizer until the ground part is withered, so that the roots are rich in nutrients, which not only increases the cold resistance, but also helps the growth in the coming year. The potted jade can be moved indoors after the frost is lowered. The room temperature can be maintained at 2 °C ~ 3 °C, and it can be safely overwintered. If you are breeding in large quantities, you can build a large pergola to shade it before you can keep the seedlings safely growing. Hosta is an excellent shade-tolerant plant that can be viewed from both leaves and flowers. It should be noted when planting: 1. Planting site selection. Because of the jade and yin, it should be planted under the woods, on the north side of the building, or in a shelter from direct sunlight, and should not be planted in the sunny place. 2. Moisture. Yuxi hi is not tolerant to drought, pay attention to watering during growth, but not excessive water. 3. Fertilizer. In the germination period, it is necessary to apply fertilizers based on nitrogen fertilizer; in the bud stage, phosphate fertilizer-based liquid fertilizer should be applied. 4. Pest control. In the summer, the hazards of snails and cockroaches should be prevented. Pay attention to spraying the relevant medicines in time.
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