Silk flower, also known as the beauty of the moon, Qionghua. Cactaceae, county flower genus, perennial evergreen succulent plants in tropical forests native to the Americas. Flowering from June to October, the number of flowering is as high as 5 to 6 times. The flower is white, large and long, and the aroma is overflowing. Most of the flowers are open at night, and after a few hours, they are thanked. Therefore, there is a saying that "the flower is in a flash", and the flat stem of the silk flower itself is also very ornamental, and it is an excellent flower for family potting.
First, potting soil: 昙花喜 is rich in humus, well-drained, loose, fertile slightly acidic sandy soil. The proportion of potting soil is generally: humus soil; garden soil; sand = 4:4:2. After the soil is well prepared, it is best to sterilize in the sun.
Second, watering: 昙 flowers like moist soil and high air humidity, afraid of water. When the temperature is low at the end of autumn, winter and early spring, the flowers are in a semi-dormant state. The watering should be strictly controlled so that the bauxite is in a dry to dry state, and it can be watered after drying. After the temperature rises in spring, the flowers begin to resume growth, and the amount of water can be gradually increased to keep the soil moist. When growing vigorously, in addition to watering, water should be sprayed around the plants to increase the humidity of the air and at the same time enhance ventilation.
Third, fertilization: 昙花 prefers fertilizer, and there are more requirements for fertilizer. It is better to use decomposed organic fertilizer, add a small amount of bone powder or superphosphate, add it when preparing the soil, mix well with the potting soil, and apply 1/20 of the potting soil in the morning. After the new stem grows in spring, the topdressing is started. Generally, the liquid fertilizer is chased for 1 month in one month. After the flower bud, the potassium dihydrogen phosphate 1000 times solution is applied once. If the leaves are yellow during the growth period, 500 times of ferrous sulfate solution should be applied once, and the fertilizer should be stopped immediately at the end of autumn.
4. Pests and diseases: When gray mold occurs in this flower, 70% methyl thiophanate 800 times solution or 70% mancozeb solution can be sprayed 1-2 times in the early stage of the disease. When the red spider is found to be harmful, it can be killed once by 1000 times of dicofol and intensified ventilation to ensure a certain air temperature, which can reduce the occurrence.
V. Breeding: It is cultivated with flaky sticks, which can be cut in the greenhouse all year round, but it is best to cut in April to May. The cuttings should be selected from the slabs of the old and strong slabs (every tender and perishable). Cut into 10cm ~ 15cm, dry for 2 ~ 3 days, after the incision is dry, cut into the substrate or sand, the insertion depth is 1/3 of the cuttings, not too deep), if the soil is wet, not watering, and later control the soil It is in a wet and dry state. Rooting begins in about three weeks, and can be planted in pots when the roots are 4 cm to 5 cm long.
Sixth, change the basin: the young plants of the scented flower are changed once a year, the formed plants are generally changed once every 2 to 3 years, and the basin is changed when the temperature is above 12 °C in spring, or in September, the watering should be stopped immediately before changing the basin. After the potting soil is dry, remove the pot, take it lightly when removing the pot, avoid touching the plant, remove all the soil from the root after removing the pot, pruning the roots, rotten roots, and roots, planting the dry wound for 1 day, planting, planting In the semi-shade, do not water for a while, watering it slightly after 2 to 3 days, keeping the soil in the basin.
A few questions to note:
1. Plants that are more than three years old should be tied or set up, otherwise they will easily fall.
2. During flowering, it is necessary to maintain sufficient light, and the potting soil is dry and watered, and phosphorus and potassium fertilizers are added once every two months.
3. During sleep, never apply fertilizer and keep the soil dry.
4. The flowers are not cold-resistant. At the end of autumn, the flowers should be moved into a closed balcony or room with light to prevent frostbite. The indoor temperature should be kept above 3 °C in winter.
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