1, potting:
Small seedlings on the pot, first in the bottom of the pot into the 1 ~ 2cm thick broken tiles or ceramic grains as a water filtration layer, and then sprinkle a layer of fully rotted organic fertilizer as a base fertilizer, the thickness of about 1 ~ 2cm, and then covered with a layer of soil, can be a more fertile mix of decomposed leaves, peat, sand, soil pH should be maintained between pH5 5 ~ 6.5, and then put into the plant. Soil, acidity and alkalinity should be maintained between pH 5.5 to 6.5, and then put into the plant, to separate the fertilizer from the root system to avoid burning roots. After potting, water thoroughly once, and put in a slightly shaded environment for a week.
2, watering:
Watering should vary with the season. Winter is the growing season, but because of the low temperature, watering should not be more, as long as the potting soil can be kept moist, generally 4 to 5 days of watering 1 time. Summer temperatures are high, although the shade, the potting soil is still easy to dry, generally 1 to 2 days of watering once. Summer can often spray water to the foliage, not only to prevent summer cooling, but also to make the plant grow well. Spring and fall watering once every 2 to 3 days.
3, fertilization:
Fertilizer mainly in the pre-flowering September to October and after flowering in April to June. Every 10 days to apply 1 time rotted human feces and cake fertilizer water. Spring fertilizer to promote more branches and leaves, mainly nitrogen fertilizer; summer should not be fertilized, otherwise it is easy to cause rot; autumn fertilizer mainly phosphorus fertilizer, can make the flower bud differentiation. Stop watering before fertilization, so that the potting soil with dry, the effect is better. Never use strong chemical fertilizer.
4, temperature:
Crabapple orchid growth temperature of 15 ~ 25 ℃. Summer need shade and rain, best placed in a well-ventilated windowsill or under the eaves of the porch. After the fall can be transferred to the indoor sunny place to cultivate. Maintain the temperature at 15 ℃ in winter is better, below 5 ℃ when the growth is poor, and may even suffer frost damage. In the clear daytime, it should be allowed to receive sunlight. On cold nights, a large plastic bag can be used to cover the plant to prevent frost damage.
5, light:
Crabapple orchid is a short-day plants, in the light of 8 to 10 hours a day, February to March can be flowering.
6, diseases and insects:
We should pay attention to ventilation and light, create a relatively dry environment, if necessary, you can use pharmaceutical control, such as the use of metribuzin 800 times liquid or can be killed 1000 times liquid, every 7 to 10 days to spray 1 time. If found in the shellfish every 7 days or so spraying 1 time kill permethrin 4000 ~ 5000 times liquid can be.
The propagation methods of crabapple orchids include cuttings, grafting and seeding, among which grafting is the main one. The following is a brief introduction to the three methods of propagation:
1, cuttings propagation:
Select robust, fat stem nodes, cut off 1 to 2 sections, put in the shade for 2 to 3 days, to be slightly dry cuts and then inserted into the sand bed, the substrate for the ratio of 4:1 peat and sand, the insertion of the bed temperature of 15 to 20 ℃. Insertion bed humidity should not be too large, so as not to cut too wet rot. Inserted 2 to 3 weeks after the beginning of rooting, 4 weeks after the pot can be planted.
2, grafting reproduction:
Often in May to June and September to October, the rootstock with the amount of sky ruler, tiger prickly, need to be cultivated in large pots of selection of pear fruit cactus. Scion to choose the current year's robust stem nodes, to 2 ~ 3 stem nodes is appropriate, the lower end of the cut into a duckbill shape, and the rootstock wedge joint, with a long cactus thorns or sterilized toothpicks inserted into the fixed. Generally a rootstock can be connected to 3 scions, grafted in the semi-shade maintenance, to maintain high air humidity. Such as grafting within 10 days after the scion is still fresh and hard, that is, has been healed into a living, need to be carefully cared for, 1 month after grafting into a living plant can be transferred to normal management.
3, seed propagation:
Crabapple orchids need artificial pollination to fruit. Often used indoor pots, germination temperature of 22 ~ 24 ℃, sowing substrate with peat, leafy soil, sandy soil mixture, high temperature disinfection is required before sowing. Crab claw orchid seed sowing, pot mouth covered with glass, in order to maintain the humidity of the potting soil. Germination occurs 5 to 9 days after sowing. Seedlings grow slowly and should be carefully managed.
Precautions for breeding crabapple orchids
1, crabapple orchids have a period of dormancy after flowering, at this time you should keep the potting soil a little dry, after the dormancy, the top of the stem node grows new shoots, then you can normal watering management.
2, crabapple orchid avoid sun exposure, because the sun will burn the plant, cause the stem and leaves yellow and fall off or even death. Therefore, summer must be shaded.
3, crabapple orchid like semi-shade, spring should be placed in the indoor sunny place or balcony culture, pay attention to proper ventilation.