Yushu, also known as Swallow's Palm and Sedum, belongs to Sedum and Celastrus. I like a warm, dry and sunny environment. Not cold-resistant, afraid of strong light, slightly resistant to shade. The soil is fertile sandy loam with good drainage. Winter temperature is not lower than 7℃
type
Common cutting propagation. In the growing season, the full top branches with a length of 8- 10 cm are cut off, slightly dried and inserted into the sand bed, and take root about 3 weeks after insertion. You can also use single leaf cutting and dry it after cutting. Then insert it into the sand bed, take root about 4 weeks after insertion, and put it into the pot when the root is 2-3 cm long.
cultivate
Change pots and add rich soil every spring. Swallow's paw grows fast. In order to keep the plant plump, it is not advisable to have too much fertilizer and water. Water 2-3 times a week during the growing period, and strictly control watering in hot and humid July-August. Poor ventilation or excessive water shortage in midsummer can also cause leaves to turn yellow and fall off, so they should be maintained in a semi-shady place. After autumn, watering gradually decreases. When cultivating outdoors, avoid heavy rain, or there will be too much water in the roots, which will easily lead to the death of rotten roots. When changing pots every year or putting houses in autumn, attention should be paid to shaping and pruning to make the plant shape more elegant.
1. Potted plants are used for planting. Before Yushu begins to grow in early spring, it should be planted or replaced with earthen pots. Potted soil should be loose, fertile and well drained. Generally, 2 parts of humus soil or peat soil, 2 parts of garden soil, 3 parts of coarse sand and 1 part of limestone gravel are selected, or 3 parts of humus soil, garden soil, coarse sand, 1 part of bone powder and fully mixed culture soil from plant ash are selected as basin soil. Pot soil should be disinfected before use. Disinfection method: spray 400-500ml formalin solution (containing 40% formaldehyde) on one foot L cubic meter of culture soil, and cover it with plastic film for 2-4 hours after stirring. Uncovering the film and airing for 3-4 days, and then using it after the liquid medicine volatilizes; The second is to steam the culture soil in a container and heat it for disinfection. When steaming, the culture soil needs to have a certain humidity, the heating temperature is 80℃, and it is steamed for 2 hours. Steam after 7 days 1 time. It can be used after drying. Before planting, put some broken tiles and bricks at the bottom of the basin for drainage, and cut off pests and diseases and rotten roots. Wait until the dry mouth is cut. Don't water it immediately after planting, shade it or put it in a cool place. After 4-5 days, water it 1 time, and gradually increase the light. When the root system in the basin soil is full and the drainage air permeability is poor, it is necessary to change the soil, and if possible, it is best to change the basin soil 1 time a year.
2. Light and temperature The suitable temperature for Yushu growth is 20 -30℃. Spring and autumn are suitable growing periods. Shade the sun or put it in the shade when it is hot in summer to avoid direct sunlight. When the temperature exceeds 38℃, it grows slowly or enters a short dormancy. In winter, it should be placed in a greenhouse or indoor sunny place. The room temperature should be kept at 7- 10℃, and the minimum temperature should not be lower than 5℃. If it is as low as 0℃, it will freeze to death. In addition to the need for shade in hot summer, the growing season should be placed in a sunny place.
3. Water fertilization During the growth period of Yushu, water should be poured 1 time every 2-3 days, but the basin soil should not be too wet, and no water should accumulate. When the weather is hot in summer, we should strictly control watering and strengthen ventilation, otherwise it will easily cause leaves to fall. Water should be reduced in winter, and the soil in the basin should be slightly dry. Top dressing should be applied during the growth period, generally 2 ~ 3 times a month, and liquid fertilizer of decomposed pancakes should be applied. Sufficient base fertilizer should be applied before soil replacement or planting, and decomposed organic fertilizers such as chicken manure, pigeon manure, bone meal, manure and various cake fertilizers can be added to the cultivated soil as base fertilizer. In order to keep the plant plump, the fertilizer and water should not be too large to avoid excessive growth.
plant diseases and insect pests
The main diseases are carbon spot and leaf spot, and 70% thiophanate-methyl wettable powder 1000 times can be sprayed. The indoor ventilation is poor, and the stems and leaves are vulnerable to scale insects. Use 40% omethoate emulsion 1000 times solution for spray killing.
Don't be too diligent. Don't water too much, apply a thin fertilizer.
Glass jadeite is impatiens.
Latin scientific name: impatiens.
Chinese name: Impatiens
Chinese alias: glass jade
(★ Note: the Latin name of Impatiens balsamina hook. It's impatiens. Please don't confuse! )
Family and genus
Domain: Eukaryotic domain
Field: the plant kingdom in the plant kingdom
Phylum: the magnolia flower of angiosperms.
Class: Subclass Dicotyledonous Magnolia
Objective: Ericaceae Ericaceae Ericaceae.
Family: Impatiens belongs to Impatiens family.
Genus: Impatiens is Impatiens.
Species: Impatiens balsamina first species
Originated in tropical Africa, it has been widely planted all over the world.
Morphological perennial evergreen herbs. This species is characterized by flat petals, which is different from other impatiens. The plant height is 20 ~ 40 cm, and the stem is slightly juicy; Green leaves; Flowers are large, with a diameter of 4 ~ 5 cm, and can bloom all year round as long as the temperature is suitable. The colors are white, pink, magenta, rose, magenta, vermilion and multicolor.
Propagation is usually carried out by cutting or sowing. Cutting propagation can be carried out all year round, but spring and autumn are the best. Generally, the branches with the top 8- 10cm are selected, inserted in the sand bed, kept moist, and can take root in about 3 weeks, or inserted in water. Potted indoors for 4-5 months after sowing, the seedlings can take root at room temperature of 20℃ about 1 week, and the height of seedlings is about 3 cm.
Eliminate pests and diseases
Impatiens balsamina is easily infected with powdery mildew. It is best to prevent powdery mildew in advance, and the environment should have scattered light or semi-light ventilation. Spraying triadimefon 1000 times solution on leaves in spring, summer and autumn can effectively control powdery mildew. If you have the disease, you can spray it once every 7-8 days, and you can recover after 2-3 consecutive times.
Among the pests of impatiens balsamina, the most important one is mite, which is often called red spider. Starscream is a piercing and sucking pest. Once a pest is found, it can be killed by sweeping or eliminating mites.
After two or three times of enucleation, the cultivated and managed seedlings promote branching and make the plant shape more full and beautiful. I like plenty of sunshine and warm environment. Suitable for small and medium-sized pots, topdressing once every 1 ~ 2 weeks during the growing period. The overwintering temperature is above 65438 06℃, and it can bloom; Below 12℃, the leaves turn yellow and the lower part falls off. It should be placed by the window facing the sun in winter, and it can be moved to the outdoor sun for cultivation in May-65438+10.
Use potted plants for ornamental flowers, and also as flower beds. In warm areas or warm seasons, it can be placed in courtyards or flower beds.
Growth habits like warm winter, cool and ventilated environment in summer, not cold-resistant. The overwintering temperature is about 5℃, and the suitable growth temperature is 13- 16℃. It likes humus soil with good drainage, the seed life can reach 6 years, and the germination ability will not decrease in 2-3 years.
There is also a saying that glass jade will release carcinogens, and it is recommended not to put it indoors.