Methods of sowing and propagation of lotus flower

The propagation of lotus flower is generally adopted by sowing method, which is carried out at the end of August and the beginning of September when the weather is cool. If it is too early and hot, it is easy to catch quenching disease, and if it is too late, the plant will be small, which will affect the flowering of the next spring. The seeds of Baobao flower are small, about 25000 seeds per gram, and the optimum temperature for germination is 18-21 ℃. Pot sowing in the room from August to September, early sowing is easy to fall seedlings because of high temperature, and too late sowing affects flowering.

The soil for pot sowing should be sterilized at high temperature. when sowing, the soil should be pressed, the seeds should be gently sowed and pressed flat, and the bottom of the pot should be covered with glass or film after sowing. Put it in a semi-shaded place and germinate 7-10 days after sowing. After the emergence of cotyledons, timely interseedling or transfer seedlings, and pay attention to ventilation and maintain humidity. The room temperature is controlled at 16-18 ℃.

It is appropriate to sow seeds with a mixture of sterilized rotten leaf soil and fine sand, cover with a layer of fine sand after sowing, cover the seeds with soaking water, cover the basin with glass, place in shade, keep about 20 ℃, about half a month, remove the glass 3-5 days after emergence, place ventilation and light, and time seedlings, the temperature drops to 15 ℃, the basin soil must not be too dry or too wet, pay attention to increase air humidity. When 2-3 true leaves are grown, they are planted in a small pot, and when there are 8 leaves in November-December, a single plant can be planted in a large pot. The room temperature is 8 ℃-12 ℃, and it can blossom from February to April of the following year.

20 days after sowing and seedling emergence, when the seedling height is 2.5 cm, move the seedling once with soil. 30 days after seedling transfer, the seedling was planted in a pot of 10 cm to 15 cm when the seedling height was 5 cm. The best room temperature is 10-12 ℃. If you promote cultivation, add light for 6-8 hours a day, you can blossom early. Pay attention to ventilation and shading during the growing period to prevent the occurrence of insect pests and burn leaves. Fertilize once a month.

Nitrogen fertilizer should not be excessive, otherwise it is easy to cause excessive growth and serious shrinkage of stems and leaves. When the flower branches were extracted, the phosphorus and potassium fertilizer was applied for 1 or 2 times. At the same time, the lateral buds between leaf axils should be removed in time, otherwise too many lateral flower branches will not only affect the development of main flower branches, but also cause abnormal plant shape and lack of commercial value. In large-scale production, when the main buds begin to change from basal leaves to high growth, 0.2%~0.3%CCC can be used to control plant overgrowth and depress plant shape by spraying foliar surface 1 or 2 times.

Time: 2019-06-11 Click: