How to raise the latest potted plant Zhu Dinghong?

Zhu Dinghong, also known as Zhu Dinghong, solitary flower, Huazhong, etc., is a perennial herb of the genus Amaryllidaceae. European and American horticulturists specially produce it into canned flowers for the convenience of florists in Europe and the United States. it is suitable for potted plants to decorate rooms, living rooms, aisles and corridors, can also be cultivated in the courtyard or planted in flower beds, and can also be used as fresh cut flowers. let's take a look at how to raise potted Zhu Dinghong.

Growth habits of Zhu Dinghong

Zhu Dinghong is native to Brazil and likes warm and humid climate. the suitable temperature for growth is 18-25 ℃. If the soil moisture is high in winter and the temperature is more than 25 ℃, the stems and leaves will grow vigorously and hinder dormancy, which will directly affect the normal flowering in the following year. Light also has a certain effect on the growth and flowering of Zhu Dinghong, the sun should not be too strong, should be maintained under the greenhouse, avoid strong light for a long time in summer, and sufficient sunshine should be needed for cultivation in winter. Like the sandy loam rich in humus and good drainage, the pH is 5.5-6.5, do not accumulate water.

Breeding method of Zhu Dinghong

1. Sowing: Zhu Dinghong is usually picked and sowed, and the germination rate is high. The sowing soil is a mixture of 2 parts of peat soil and 1 part of river sand. The seeds are larger and should be sowed on demand, the distance between them is 2 ~ 3 cm, the suitable temperature for germination is 15 ~ 20 ℃, the seedlings emerge at 10 ~ 15 days, and the seedlings are divided into two true leaves. It takes 2 to 3 years from sowing to flowering.

2. Sub-ball: Zhu Dinghong mostly uses the artificial ball-cutting method to propagate a large number of daughter balls, that is, the mother bulb is longitudinally cut into several parts, and then divided into two halves in the middle, so that part of the bulb disc is attached to the lower end of the bulb as the root part, and then cut into the cutting bed mixed with peat soil and sand, properly watered, after 6 weeks, 1 or 2 small balls can occur between the scales and take root in the lower part.

3. Cutting: Zhu Dinghong can cut the cue ball longitudinally into several pieces, then cut its scales, and insert them obliquely in vermiculite or sand. It was planted when 2 true leaves were grown. When planting false bulbs, the pot soil is too easy, which will delay flowering or reduce the number of flowers. The mixed soil of 5 parts of sandy loam, 2 parts of peat soil and 1 part of sand can be used.

How to raise potted Zhu Dinghong?

1. Soil: the planting soil of Zhu Dinghong requires loose and fertile sandy loam, and the pH is 5.5-6.5. the basin soil can be mixed with 2 parts of mature stable fertilizer soil, 6 parts of rotten leaf soil and 2 parts of sandy soil.

2. Watering: Zhu Dinghong needs to keep the plant moist and water thoroughly. But avoid too much water, poor drainage. General indoor air humidity is OK.

3, sunshine: Zhu Dinghong likes the sun, can have the right amount of direct sunlight, not for too long. It should be placed in front of a window with bright light, good ventilation and no bright light.

4. Temperature: Zhu Dinghong likes warmth and is not resistant to cold. Summer should be cool, the temperature should be 18-22 ℃, winter dormancy requires a cold and dry environment, the temperature should not be lower than 5 ℃.

5. Fertilization: Zhu Dinghong likes fertilizer and begins to apply topdressing when the leaves grow to 5-6 cm long. generally, rotten cake fertilizer is applied every half a month, and once every 20 days after flowering.

6. Pruning: Zhu Dinghong grows fast and its leaves are long and dense. when changing pots and soil, the fallen leaves, withered roots, diseases and insect pests should be cut off, leaving exuberant leaves.

Points for attention of Zhu Dinghong

1. Zhu Dinghong is growing fast and its leaves are long and dense. When changing pots and soil, we should cut off the damaged leaves, bitter roots, diseases and insects, and leave exuberant leaves.

2. Zhu Dinghong should cut off the pedicel in time after blooming, because this stage after anthesis is mainly to raise the bulb to fully absorb nutrients, make the bulb enlarge and produce new bulbs, and to cut off the pedicel is to concentrate nutrients on the bulb.

3. In addition to the appropriate reduction of watering water, the post-flowering management of Zhu Dinghong should also pay attention to the basin soil not to accumulate water so as not to rot the bulb. It is still necessary to apply cake fertilizer and water at an interval of about 20 days to promote the enlargement of the bulb and the germination of new bulbs. it is not until after November that the bulb is moved into the greenhouse to stop fertilizing, control watering and keep the bulb from drying up.

4. Zhu Dinghong should strictly control watering when dormant, and the amount of watering should be controlled to keep the bulb from withering. You can pour vaguely permeable water into the basin at the end of December or in early January to awaken the dormant Zhu Dinghong, and apply a thin calcium phosphate water again a week later, keeping the temperature at about 16 degrees Celsius to promote germination and blossom early.