First, the flowerpot should be appropriately large, and several holes should be punched in the lower part of the flowerpot, mainly to enhance the water permeability and air permeability of the flowerpot.
Second, water should be appropriate, and the number of watering depends on the degree of dryness and wetness of the soil. In central China, the growing season is from the beginning of April to the end of 10 every year. During this period, water outdoor once every 15 to 20 days, and water indoor once every 20 to 25 days.
Excessive watering of Taxus chinensis will lead to the death of root rot (most of the death causes of indoor bonsai cultivation are caused by excessive watering).
Especially when it rains heavily in summer, the extra rainwater should be discharged outdoors in time to prevent yew from being soaked in water for a long time.
1-3-year-old yew seedlings need black net to shade and dredge channels for drainage.
Third, it is necessary to shade properly in summer. It is not necessary to keep warm at MINUS 20 degrees Celsius in winter, but it is not suitable for watering during hibernation (65438+ from the beginning of February of that year to the end of February of the following year). Growers are weeding and maintaining.
4. Taxus chinensis should not be applied with chemical fertilizer, and some farmyard manure and cake fertilizer (such as cottonseed cake, peanut cake and hemp cake) should be applied appropriately according to the situation. Fertilization should be applied as far as possible along the basin wall, not near the roots of Taxus chinensis.
Five, after two years of bonsai planting, the saplings gradually grow up and the roots are more developed. The original flowerpot can't meet the needs of growth, so it must be cultivated in large pots. When transplanting, it is best to break the old pot without destroying the original soil ball, slowly move it into a new pot and water it to take root.
If conditions permit, the seedlings of Taxus chinensis can be transplanted to the field to grow, and its growth rate will be faster. Growers are cleaning ditches and digging dragons.
How to raise yew 2 After winter, the growth of yew basically stagnated and its water absorption capacity was greatly reduced. It is not advisable to water too much. If yew is in the greenhouse, it will help to keep the soil dry in winter. When the basin soil is found to be too dry, it should be watered after sunny morning 10 or before 3 pm, and the watering amount should not be too large. The water temperature should be similar to the outside temperature, and the temperature difference should not be too big. If the temperature difference is too large, it will stimulate Taxus chinensis, which will lead to defoliation, root rot and even death.
Indoor flowers should be watered twice a week and watered thoroughly every time. Don't be too wet, it will lead to rotten roots. However, if it is dry indoors, it is necessary to spray mist on the leaves, clean them and keep them moist.
Ventilation of Taxus bonsai in winter
In winter, yew should be placed in a well-ventilated place with strong light indoors, and the ventilation time should be from 9: 00 am to 3: 00 pm. When it is sunny at noon in winter, open the window for ventilation.
Fertilization of Taxus chinensis bonsai in winter
In winter, the growth of Taxus chinensis is stagnant, so it doesn't need too much nutrients and fertilization. Only when the temperature is higher than℃ can the fertilizer be easily absorbed.
Winter pruning of Taxus bonsai
Winter is the dormant period of Taxus chinensis and the main pruning period. Pruning and modeling the old plants, removing litter and reducing nutrient consumption are beneficial to the safe overwintering of Taxus bonsai.
Cold-proof and Warm-keeping of Taxus bonsai
If there are too many bonsai, you can put them in the greenhouse for the winter, and less bonsai can be put directly indoors for the winter. Be careful not to put bonsai in air conditioning vents, heating vents and geothermal places. The northern area can be properly covered with double-layer plastic film for thermal insulation.
Notes on Taxus bonsai:
(1) Taxus chinensis needs light because of its small size, but it should not be placed in strong light for too long. Generally, it can be dried for about two hours every morning 10 or after 5 o'clock in summer and autumn. Usually receives scattered sunlight. Otherwise, the tip of the blade will be browned due to strong light burning, and indoor ventilation should be maintained to avoid unhealthy growth phenomena such as withering and sagging caused by too dry indoor air.
(2) If the tender leaves of the new bonsai are dark yellow and dull, the top of the new shoot will wither, which is usually caused by excessive watering, so that some roots rot and the ability to absorb water and fertilizer is weakened. If the symptoms are mild, the watering amount should be controlled, and the topsoil on the surface of the basin should be lightly loosened with a hard and blunt object to make the basin soil breathable. Moving to the place where dew can be received every night and moving to the shade at 8 am is beneficial to the healthy growth of roots. If the leaves are yellow and curly in a short time, it means that the root rot is serious. Because root rot is checked immediately, (normal fibrous roots are all white in shape), if it exceeds half, it is generally hopeless.
(3) Old leaves have yellow leaves from bottom to top, but new leaves generally grow normally, which is generally caused by no one-time watering and lack of water at the roots. Sometimes the top leaves are dry and curly, and the dry leaves will fall off as soon as they touch, but the old leaves grow normally, which is generally caused by water shortage at the roots, so it is necessary to water them once. When watering, you must first compact the cracks along the basin with objects to prevent water from leaking quickly from the cracks. The illusion of flood will make the roots of trees die because of long-term lack of water. Move outdoors at night to receive more rain and dew, and receive two hours of sunshine in the morning and evening to restore the growth of yew.
(4) Taxus chinensis is suitable for weak acid soil. If irrigated with alkaline water for a long time, the leaves will turn from green to yellow, or even fall off. Because of adding acidic nutrients or spraying leaves or potted soil with two thousandths of ferrous sulfate solution, it is once every ten days for three times in a row. It can make leaves turn yellow and green due to alkali.
(5) Every March and April, yew will sprout a large number of buds, which will consume a lot of nutrients. At this time, you can remove the inward growing buds to prevent the leaves from turning yellow or falling off, because the branches are too dense and not ventilated. For transverse branches and inner branches, thinning branches can improve ventilation and light transmission, and can save excessive consumption of water and nutrients. It is best not to spray liquid fertilizer on the leaves when the buds are just sprouting, nor to pour thick fertilizer on the roots.
(6) If urea is used as topdressing nitrogen fertilizer, the concentration is generally one thousandth; If potassium dihydrogen phosphate is used as topdressing phosphate fertilizer, the concentration is one thousandth to two thousandths, and the topdressing interval is seven to ten days.
How to raise yew 3. Selection of flowerpots
The flowerpot should be a little larger, and the lower part of the flowerpot should be perforated more, mainly to enhance the water permeability and air permeability of the flowerpot.
Second, the choice of soil
Loam is the best soil for potted plants, which has water retention, fertilizer retention and air permeability, and is beneficial to the growth of Taxus chinensis. Although clay retains water and fertilizer, it is airtight, which is not conducive to the growth and development of Taxus root system. Although sandy soil is breathable, it has poor fertilizer and water conservation, which is not conducive to the growth of Taxus chinensis. Of course, peat soil (plant ash), perlite and other substrates mixed with loam can also be selected for cultivation.
Third, the requirement of moisture.
Water should be appropriate, and the number of watering depends on the degree of soil dryness and wetness. The water content of potted soil should be 30%-40%, just spray some water on the leaves to keep them moist. Excessive watering of Taxus chinensis will lead to the death of root rot (most of the death causes of indoor bonsai cultivation are caused by excessive watering). Especially when it rains heavily in summer, the extra rainwater should be discharged outdoors in time to prevent yew from being soaked in water for a long time. Potted soil contains too little water, which is not conducive to the normal growth of Taxus chinensis. The growth period is from the beginning of April to the end of 10 every year. During this period, outdoor plants are watered every 15 to 20 days, and indoor plants are watered every 20 to 25 days.
Fourth, the requirements for lighting
Taxus chinensis likes shade and is drought-tolerant, so it is not suitable for full sunlight. It should be shaded properly in summer, especially in July and August every year, chlorophyll in leaves is destroyed, leading to the death of young trees. It is not necessary to keep warm at MINUS 20 degrees Celsius in winter, but it is not suitable to water during hibernation (65438+ from the beginning of February of that year to the end of February of the following year). The best illumination time of Taxus chinensis is 7:00- 1 1:00 every morning, and the illumination time is about 4 hours, which is shorter in summer and longer in autumn and spring. However, insufficient light also affects the photosynthesis and growth of Taxus chinensis.
Verb (abbreviation of verb) soil fertility
Taxus chinensis is suitable for growing in fertile, loose and moist soil with good drainage and high organic matter content, especially when the organic matter content is above 3%. Therefore, the bonsai soil must be fertilized, and the amount of fertilization is 0.2 kg per plant of organic fertilizer and 0.02 kg of compound fertilizer. Some farmyard manure and cake manure (such as cottonseed cake, peanut cake and sesame cake) can also be applied appropriately according to the situation, and fertilization should be applied as far as possible along the basin wall, not near the roots of Taxus chinensis.
Transplantation of intransitive verbs in bonsai
After two years of bonsai planting, the saplings gradually grow up and the roots are more developed. The original flowerpots can't meet the needs of growth and must be cultivated in large pots. When transplanting and changing pots, the dormant period of Taxus chinensis is generally selected, and bonsai transplanting and changing pots is carried out on cloudy days. The survival rate of transplanting is high at this time. In the process of transplanting, it is necessary to maintain the integrity of the young root system and the water content of the root hair. When planting, the root system should be closely combined with the soil. It is best to break the old pot without destroying the original soil ball, slowly move it into a new pot, and water it to root. If conditions permit, the seedlings of Taxus chinensis can be transplanted to the field to grow, and its growth rate will be faster.
Seven, pest control
In rainy season, root rot, stem rot and root rot will occur in young yew trees. 70% Dixon's 50-800 times; In the hot and dry season, some young trees will suffer from leaf blight and red selenium disease, which can be controlled by spraying 1% bordeaux mixture.
Eight, bonsai dress up
Taxus chinensis grows vigorously, is resistant to pruning and can be shaped at will. Can be trimmed into umbrella, tower, circle and other shapes by hand. At the same time, in order to keep the crown of Taxus chinensis beautiful, the terminal buds and some lateral buds can be removed moderately. The key is to do what you like, but yew is more delicate than other flowers and trees, so you should be careful, patient and persistent, so you will have unexpected gains.
How to raise Taxus 4 tools/raw materials
Taxus China
Steps/methods
1
It is not suitable to apply chemical fertilizer to Taxus chinensis. Try to apply some Tian She fertilizer and cake fertilizer (such as cottonseed cake, peanut cake and sesame cake) along the basin wall, and don't get close to the roots of Taxus chinensis.
2
Proper shading is needed in hot weather, and it is not necessary to keep warm at minus 20 degrees Celsius in winter, but it is not suitable for watering during hibernation (65438+early February to the end of February of the following year).
three
Water should be appropriate, and the number of watering depends on the degree of soil dryness and wetness. In central China, the growing season is from the beginning of April to the end of 10 every year. In this era, water is poured once every 0/5 to 20 days outdoors and once every 20 to 25 days indoors. Excessive watering of Taxus chinensis will lead to root rot and extinction (most of the reasons for the extinction of indoor potted plants are caused by excessive watering). Especially when it rains heavily in hot weather, it is necessary to remove the excess rain from the outdoor in real time during verbal attacks to prevent yew from being soaked in water for a long time.
four
The choice of flowerpots should be larger, and the bottom of the pots should be perforated more, mainly to strengthen the water permeability and air permeability of potted Taxus yunnanensis.
five
After two years of bonsai planting, the saplings gradually grow up and the roots are doubly rich. The original flowerpot can't meet the needs of growth, so it must be cultivated in large pots. When transplanting, it is best to smash the old pot, do not destroy the original soil ball, and gradually move into a new pot and water the roots. If there is a premise, the seedlings of Taxus chinensis can be transplanted to the field to grow, and its growth rate will be faster.
end
Matters needing attention
Five problems should be paid attention to in indoor cultivation of Taxus chinensis: starting with all the details such as illumination, moisture, fertilization and pest control, so as to achieve special maintenance. Taxus chinensis is a shade-loving and drought-tolerant plant, so it should be kept indoors. Proper shade should be provided in hot weather. It should not be placed in a room with western photos, nor should it be placed in an air conditioning outlet or heated.