Culture methods of Prunus mandshurica

1. Soil

Pu Baobao flowers have no special requirements for the soil, as long as the drainage is good, fertile, preferably rich in humus, can continue to provide nutrition for the flowers.

2. Moisture

Pu bag flower seedling stage, should be less watering, so that the pot soil dry to promote flower root growth; when the flowers grow large and full pot, increase the intensity of watering, but to control the amount, so that the basin soil can be moist.

3. Temperature and light

Prunus mandshurica is different from ordinary plants in that it is sown in autumn and blossoms in spring, so winter is the early growth stage of Prunus mandshurica. If the temperature is kept at about 10 ℃, it can grow normally and keep sufficient light; if the indoor temperature is lower than 8 ℃, it grows slowly and should provide sufficient light; if the temperature is higher than 20 ℃, it should be shaded.

4. Fertilization

Increase the amount of fertilizer when the pot is full of flowers and leaves, but apply thin fertilizer frequently, and stop fertilizing when the growth period is slow.

5. Pest control

After sowing and sprouting, pay attention to the prevention and control of crushing disease, spray in time, and keep the basin soil dry.

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Culture methods of Prunus mandshurica

Sowing method

Prunus bungeanum is generally mainly sown and propagated, with a small amount of cutting, and the sowing is more than at the end of August and the beginning of September, when the climate is getting cooler. The culture soil was made of 6 parts of rotten leaf soil and 4 parts of river sand, sowed directly in "shallow basin" or "seedling shallow" without covering the soil, fed water with "basin bottom immersion method", covered with glass or plastic sheet after sowing, maintained for 13 minutes and 15 ℃, and emerged after a week.

Remove glass and plastic sheeting in time after emergence to facilitate ventilation and prevent falls. Gradually see the light, so that the seedlings grow and thrive, the room temperature is maintained below 20 ℃. Divide the pots when the seedlings grow 2 true leaves.

Ventilation and shading

Balsam flower likes to be cool and cool, and the suitable temperature for growth is about 10 ℃. For example, the stems and leaves develop luxuriantly during the growing period, and the excessive humidity of the basin soil coupled with muggy heat will make the stem of the plant rotten leaves. In order to reduce the temperature, shading measures are often taken at noon to create a ventilated and cool environment. Especially after flowering in spring to the maturity of seeds from May to June, it is necessary to do a good job of ventilation and shade at noon, which is conducive to seed development and maturity.

Watering and fertilizing

Pu Baobao flowers like a warm and humid environment, but avoid too much wet pot soil and too much watering when flowering, generally watering when the basin soil is dry, if in the greenhouse, it is better to spray water regularly to increase air humidity. Watering can not directly flush the plant, such as water accumulates on leaves and buds, which is easy to cause rot. In the pre-flowering growing season, rotten cooked cake fertilizer and water were applied every 10 days (diluted 10 times), and phosphorus-based fertilizer was added at the early flowering stage. fertilizer and water should not pollute the leaves to avoid rotting heart and leaves.

Matters needing attention in the Culture of Baobao Flower

Soil requirements are strict.

Pu Baobao flower has relatively strict requirements on the soil, and the soil is not suitable for raising it well. The sandy soil rich in humus with loose, good permeability and smooth drainage should be selected. In addition, a small amount of bone meal or base fertilizer should be added to the soil, and the soil should be disinfected before use.

Shading is very important.

Proper lighting can promote blooming, but it can also lead to early falling flowers. Pay attention to indoor maintenance, shade before October, do not need shade from October to March of the following year, and avoid direct light after flowering.

The method of family culture of Baobao flower 1. Sowing time

The seeds of Baobao flower are small, about 25000 seeds per gram, and the optimum temperature for germination is 18-21 ℃. Therefore, when the weather turns cool after high temperature, that is, from late August to early September, early sowing temperature is high, seedlings are prone to quenching disease and rot disease, too late sowing will affect flowering.

2. Sowing method

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, because the seeds are small, the sowing should not be too dense, the covering of soil should not be too thick (even not covered with soil), the bottom of the pot should be covered with glass or film, put in a semi-shaded place, the room temperature should be maintained at about 20 ℃, and germinate 7 days after sowing. When the seedlings grow to 2-3 leaves, interplant or move the seedlings in time, and pay attention to ventilation and maintain humidity. The room temperature is controlled at about 15 ℃.

3. Methods of transplanting seedlings

When the seedling has 2-3 true leaves, it can be transplanted, and when it grows 4-6 true leaves, it can be put on the pot. 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 ℃.

The culture soil was mixed with 2 parts of rotten leaf soil, 1 part of barnyard manure, 1 part of sand and 6 parts of garden soil, and the pH value was 6.5.