The latest Culture methods and points for attention of Phyllostachys pubescens

Tortoise back bamboo is also called Penglai banana, iron silk orchid, perforated forest taro and so on. It is a perennial woody vine evergreen shrub of the genus Phyllostachys pubescens in Araceae. It is commonly used in potted plants to decorate guest rooms and windowsills in Europe, America and Japan. Fujian, Guangdong, Guangxi, Yunnan and other places in China are cultivated in open fields, and Beijing, Hubei and other places are mostly planted in greenhouses. Let's take a look at the breeding methods and matters needing attention of tortoise back bamboos.

Breeding methods of Phyllostachys pubescens

1. Sowing: soak the seeds in 40 ℃ warm water for 10 hours before sowing. The sowing soil should be sterilized at high temperature. Sowing can be done on demand. After sowing, the room temperature is kept at 20: 25 ℃, the box mouth is covered with plastic film, and the humidity is kept above 80%. Generally, the seeds germinate at 20-25 days after sowing.

2. Cuttage: the best effect of cuttage propagation of Phyllostachys pubescens was from April to May in spring and from September to October in autumn. The cuttings selected the annual lateral branches with abundant stem tissue and strong growth, and the mixed substrate of coarse sand and peat or rotten leaf soil was used in the cutting. it began to take root about a month after cutting.

3. Ramet: the split propagation of Phyllostachys pubescens is generally carried out in summer and autumn. The side branch of the large bamboo is split off, with part of the aerial root, and directly planted in the barrel or bowl, not only the survival rate is high, but also the molding effect is fast.

The culture method of tortoise back bamboo

1. Soil: the turtle back bamboo prefers loose and well-drained soil. Before releasing the soil, put some hoof pieces and broken bones at the bottom of the basin as base fertilizer and fill them into the culture soil mixed with rotten leaf soil, vegetable garden soil and sand soil.

2, sunshine: tortoise back bamboo is more shady, avoid the scorching sun, like scattered light, too strong sunlight leaves will be burned, the light is too dark leaf color will fade, summer can put flowerpots in the north window, but enough sunshine in winter.

3. Temperature: tortoise back bamboo likes warmth and is not resistant to cold. The suitable temperature for growth is 15-25 ℃. When the temperature drops to 5 ℃ in winter, it should be moved into the room to keep warm. The indoor temperature can survive the winter safely when the indoor temperature is controlled between 15-20 ℃.

4. Moisture: the tortoise back bamboo likes to be wet, the basin soil is dry but not cracked, moist but not wet, and the air humidity is 60%. The foliar spray and water should be given every day in summer, but not in winter, otherwise there will be black spots or even black rot.

5. Fertilization: the tortoise back bamboo is in the vigorous growth period from April to September, applying dilute liquid fertilizer every half a month, and irrigating 28% or 37% nitrogen liquid fertilizer once in 2 weeks, so as to make the plant strong, and increase the application of phosphorus and potassium fertilizer after autumn to make the stem stout and prevent lodging.

6. Pruning: after setting, the stem node leaves grow too dense, and when the branches grow too long, pay attention to pruning the whole plant, and strive for natural beauty. If you want to make the stem vines grow tall quickly, you can trim the lower aged leaves moderately.

7. Diseases and insect pests: the diseases and pests of tortoise back bamboo include shell insects and gray spot disease. Shell insects can be sprayed with 1000 times of omethoate emulsion. Grey spot disease should be strengthened and sprayed with 1000 times of topiramate or 0.5% Bordeaux solution.

8. Change the basin: the tortoise back bamboo grows rapidly, and the pot needs to be changed once a year to provide sufficient space for plant growth. The basin change is carried out every year from March to April. When changing the basin, remove some of the old soil and withered roots, and replace it with a larger basin.

Matters needing attention of tortoise carrying bamboo

The main results are as follows: 1. During the growth period, the plant grows rapidly and the cultivation space should be spacious, otherwise it will affect the extension of the stem and leaf and can not show the beauty of the leaf shape.

2. The planting soil of Phyllostachys pubescens requires slightly acidic loam with loose fertility, large water absorption and good water retention, and rotten leaf soil or peat soil is often the best.

3. The suitable temperature for the growth of Phyllostachys pubescens is 20-25 ℃, and the temperature at night in winter is not lower than 10 ℃ at seedling stage. Mature plants can tolerate 5 ℃ in a short time, but it is prone to freezing injury.

4. Phyllostachys pubescens needs to spray water frequently in summer to maintain high air humidity and keep its leaves clean to facilitate photosynthesis.

5. The juice of Phyllostachys pubescens is poisonous and can irritate and corrode the skin. If you eat the immature fruit, it will cause burns to the mouth and tongue.

What about the yellow bamboo leaves on tortoise back?

1. Soil problems

[reason] the looseness of the soil is not enough or the soil is not changed on time, and the soil is consolidated, which leads to the root can not be ventilated normally, which is not conducive to the smooth progress of respiration, resulting in it can not grow well.

[methods] to change the composition of the soil, 2 parts of ripe loess, 1 part of chicken manure and 1 part of honeycomb coal ash can be organically mixed, which can keep the fertilizer needed under the condition of keeping loose and breathable.

2. Ventilation problem

[cause] caused by poor ventilation.

[methods] keep the indoor ventilation condition smooth all the time, and it can also be adjusted by watching indoors during the day and moving to the outside at night.

3. Fertilization

[reason] the lack of iron needed for chlorophyll in soil or fertilizer is not conducive to the normal synthesis of chlorophyll, which leads to the yellowing of leaves due to loss of green.

[methods] adding alum fertilizer and water can also be supplemented by spraying 0.1-0.3% ferrous sulfate solution.

4. Lighting problem

[reason] being kept in a cool place for a long time reduces photosynthesis, or after strong light exposure, resulting in leaf burns.

[methods] put in the semi-shade in summer, can illuminate sporadic astigmatism, and often put it in the sun in winter.

5. Watering problem

[reason] the control of water is one of the key points in the culture of Phyllostachys pubescens. Watering too frequently makes its roots rot, and too little is not conducive to its normal growth and stunting.

[methods] regularly irrigate an appropriate amount of water, the soil surface should be slightly dry, if the weather is too dry, you can properly spray some water on its leaves.

6. Temperature problem

[reason] the lowest temperature of Phyllostachys pubescens seedlings should be above 10 ℃ in winter. Mature plants will generally suffer frost injury and yellowing leaves when they are below 5 ℃.

[methods] it is necessary to take some appropriate measures to keep warm in winter, such as putting them in a greenhouse, never come into direct contact with or get too close to the heating source.