When will Sue blossom?
The initial flowering period in Taihō is in midsummer, the peak flowering period is in Qiu Meng, and the last flowering period is in late autumn. There are 7-9 inflorescences, and the flowers stand upright on the whole leaf surface and often concentrate in the center of the basin, supporting the beautiful and elegant big flowers with the elegance of green phoenix leaves. Flowers belong to the category of narcissus petals, belonging to the type of falling shoulder flowers. The top sepal is root-horn-shaped, the lateral calyx hangs over the shoulder, and the petals cover half of the pistil column, which is skylight-shaped. The lip is a Lickitung spread. The flower diameter is 7-9 cm, the petals are white and green, and the petals, pistil and lip are lighter. The aroma is mellow and distant.
Details of vegetarian agriculture in Taihō
1,,, Temperature: The temperature in winter shall not be lower than 3, otherwise it will be frozen. When the temperature is between 20℃ and 28℃, most varieties can bloom twice a year, and one of them, named Sijilan, can't tolerate the high temperature above 32℃, and when it is frozen below 0℃, the plants turn black and die.
2. Humidity: Cymbidium hybridum likes humidity but is afraid of waterlogging, so the cultivation environment needs to be sprayed frequently to increase humidity. The ideal air relative humidity is 65~70%, so it is necessary to spray the leaves frequently in summer and autumn dry season. The minimum humidity is generally not less than 50%, otherwise the yellow leaves are dry and pointed. Ventilation should be strengthened in hot and humid weather in summer and autumn to prevent root rot and stem and leaf rot.
3. Lighting: Jianlan likes to scatter enough light and is afraid of darkness. General sunlight illumination is 8000 ~1000000lx, covering 70~80% sunlight in summer and autumn, and 30~40% sunlight in winter and spring. Shading net is used for greenhouse or glass house culture, and ordinary transparent curtain is used for home use. However, in winter and spring, when the daily temperature is below 10, it can receive sufficient sunshine, which is beneficial to accelerate germination and increase plant disease resistance.
4. Planting materials and proportion: The root system of Cymbidium hybridum is developed and strong, which requires high soil permeability. Therefore, coarse and hard granular plants are often used as plant materials, in which inorganic granular plants are pebbles (without sharp corners), perlite, ceramsite, burnt soil, phytolith (orchid stone), and broken brick particles (without sharp corners), with a particle size of 7~ 10mm, and one or two of them are combined, and organic plants are peat soil, humus soil, peat soil, etc. When mixing soil, the volume ratio of inorganic granular plants to organic plants is generally 2: 1 or 3: 2. The quality of peat soil in Germany is good, but the particle size is extremely small, and the total amount should not exceed 30% of the total volume.
Because the inorganic coarse-grained plant materials have a stable aggregate structure after filling, there are enough gaps between the large aggregates for air storage and circulation (forming capillaries), and with a certain amount of relatively stable organic matter and fertilizer, the plant materials and cultivated soil prepared in proportion can be drained, breathable and contain organic matter, which is beneficial to daily management and healthy growth of orchids, and can reduce the occurrence of diseases. This modern planting material is suitable for the physiological structure and natural habits of orchids, which is more scientific and progressive than ancient orchids, more suitable for large-scale planting, and more labor-saving and trouble-saving.
Of course, it is also possible to plant whole water moss and moss, but it is difficult to manage water and fertilizer, and a little carelessness or bad environment will cause rotten roots. You can also use yellow sand and sawdust in equal proportion, and add a proper amount of coarse river sand as plant materials.
In short, the sources of planting materials are wide and the proportions are varied. Orchids can be good planting materials as long as they are well raised. However, it is not recommended to raise orchids with ordinary planting soil and cohesive soil, which has poor air permeability and is easy to block.
There is no general planting material and proportion, so we should adhere to the principle of adapting to local conditions and find the planting material and proportion suitable for our own planting habits and environment. Generally speaking, the proportion of coarse plants should be increased in high temperature, humid and rainy climate, while the proportion of fine organic plants should be increased in low temperature and dry climate. Generally, the two kinds of climate change alternately in a year, so in late spring and autumn, the way of turning over the pot and changing the soil is generally used to deal with climate change. By adjusting the formula of planting materials, the needs of orchid growth in different seasons can be met and the occurrence of diseases can be reduced.
5. Pottery: Plain pottery pots or pottery pots with good air permeability are the top, followed by porous plastic pots, and glazed porcelain pots are the worst.
6. Ventilation: Needless to say, the basic requirements of orchid cultivation are determined by natural attributes, which are closely related to the ventilation of orchid roots and the respiration of leaves. At the same time, ventilation can inhibit the growth of bacteria, especially some anaerobic bacteria. It is best to ventilate on six sides, that is, the six sides of the flowerpot: keep ventilation at the top, bottom, left, right and front positions, without shelter, with good ventilation, less orchid diseases and strong plants.
7. Fertilizer: Orchids are plants that like thin fertilizer. Because the prepared plant raw materials contain little and incomplete fertilizer, it is necessary to apply thin fertilizer frequently. There are also many kinds of fertilizers, such as self-made organic fertilizer and commercial fertilizer. Commercial compound fertilizer is recommended for domestic orchids to reduce unnecessary troubles and prevent indoor environmental pollution and pests. In order to save trouble and labor, it is suggested to use compound granular slow-release fertilizer, which can be evenly placed under the soil about 3 cm along the basin edge, with 2~3g per basin, and some special fertilizers can be added in due course. The following are the main points of fertilization summarized by You Lan for reference:
Germination stage: after the nitrogen fertilizer is diluted in proportion, it is diluted by 8- 10 times, so that there is fertilizer every time, and phosphorus and potassium fertilizer are sprayed on the leaves 5-6 times a month. Ensure that the orchid plants get fertilizer in time after waking up, and lay a good foundation for the orchid plants to germinate. Fertilize frequently and lightly.
Spring growth period: When the lowest temperature reaches 12 degrees Celsius, the nitrogen and potassium fertilizers are diluted by half in proportion, and then the roots are irrigated once, so that the head cells of the mother reed can rapidly divide and differentiate into new buds. This period is the golden season for orchid plant growth, and timely fertilization is very important in one year's production. Don't excessive fertilization damage orchid plants, and reduce fertilization slightly in strict accordance with the instructions. Self-made cake fertilizer is best used after experimental observation, and should not be rushed. Because the content of this fertilizer is uncertain, it is easy to cause losses. Generally, it is no problem (not absolute) to dilute 500 times. With the gradual increase of temperature, the new buds expand rapidly, supplemented by phosphate fertilizer spraying. Daylighting as much as possible, fully mobilize the physiological functions of plants, quickly absorb and transform fertility, carefully observe the growth of plants after fertilization, and irrigate or turn over pots in time when fertilizer damage is found.
Spring vigorous growth period: Because we haven't applied root fertilizer in proportion for a long time, most plant materials still contain some residual fertilizer, so it is not suitable to apply fertilizer deliberately, so we can apply it by combining water according to the ratio of 1/8. Spraying foliar fertilizer 1 time for 2-3 days will not hinder the normal growth and development of orchid plants, and pure coarse materials can supplement root fertilizer 1 time.
Stagnation period. During this period, most orchid plants stopped growing because of the high temperature. Even the new seedlings grow slowly, and the parent grass is pregnant with buds at this time. Therefore, it is still necessary to spray some phosphate fertilizer to promote the flowering of the parent grass.
It grows vigorously in autumn. During this period, the new buds are basically seedlings, and a few are semi-seedlings. After autumn, they can all grow into big grass and strong seedlings. The buds bred by the parent grass are basically unearthed, and a few new and strong seedlings occasionally bloom. Where there are buds, root fertilizer should be stopped and foliar fertilizer should be halved as appropriate. Orchid plants without flowers can be irrigated with phosphorus and potassium fertilizer in proportion to ensure that the new reed head is huge that year and there is hope to blossom next year.
8. Pest control: domestic orchids have few pests, mainly sterilization and disinfection. Commonly used drugs include thiophanate-methyl and carbendazim. So as to prescribe the right medicine, especially in the high temperature and high humidity season. There is not much disinfection work every half month, mainly spraying diluted leaves according to the drug instructions.