Breeding method of hibiscus peony
1, planting
Pots with a diameter of 15-20 cm are commonly used for potted hibiscus flowers. Humus soil (or peat soil), culture soil and coarse sand can be mixed, and horseshoe slices are used as base fertilizer at the bottom of the basin.
Hibiscus flowers over 3 years old must be replaced every year, usually in spring. After leaving the house 10 days or so, turn over the pots and change the soil, and at the same time shape and trim the old roots, dead branches, diseased branches, weak branches and over-dense branches. And various decomposed cake fertilizers, fish bone meal and fish fat are added as base fertilizers.
The defoliation and sweetness of hibiscus are mainly caused by insufficient light, improper watering or inappropriate temperature. Fusang is a strong positive plant and likes sunshine. If it is kept in a cool place for a long time, it will cause insufficient light, and at the same time, it will cause root rot, leading to deciduous leaves and buds. If watering is too little, there will be drought during pregnancy and storage, old leaves will turn yellow and fall off due to insufficient water supply, and flower buds will also fall off easily. Especially during the indoor wintering in winter, the room temperature is low and hibiscus is in a dormant state. If you water too much at this time, it is most likely to cause rotten roots and leaves. In addition, if the daytime temperature is too high, the nighttime temperature is low, the temperature difference between day and night is large or the nighttime temperature is too high, and the daytime temperature is lower than the nighttime temperature, it is easy to cause defoliation. The fallen leaves of hibiscus will affect the next year's flowering. Therefore, effective preventive measures should be taken against the causes of defoliation.
Step 2 apply fertilizer
After spring, Fusang entered the peak of growth. In order to make flowers propagate, it is necessary to strengthen fertilization, and topdressing dilute liquid fertilizer with phosphorus and potassium as the main component 1 time every week. Avoid applying thick fertilizer in flowering period, and do not apply fertilizer in dormancy period.
water
During the growing period, the basin soil is kept moist, and the stems and leaves grow rapidly. If the water supply is insufficient, the leaves will wilt, turn yellow and fall off easily. Watering on weekdays depends on the wet and dry conditions to avoid being too wet. Water it in the morning and evening in midsummer and in the afternoon in spring and autumn. In winter, due to the low temperature, water quantity should be strictly controlled, otherwise, plants are prone to freezing injury. In addition, water should be sprayed frequently during the growth period.
4. Temperature and lighting
The optimum temperature for hibiscus is 15-25℃, and from June 10 to March of the following year 13- 18℃. The temperature should not be lower than 5℃ in winter, otherwise the leaves will turn yellow and fall off. It is vulnerable to freezing damage below 0℃, but it can still grow normally at high temperature above 30℃.
Fusang is a strong positive plant, and it needs sufficient light to grow and bloom normally during the growing period. If the light is insufficient, the flower buds are easy to fall off, the flowers are small and the color is dim; However, when the sunlight is too strong, plants will burn, and shading measures should be taken.
5, pest control
Hibiscus often suffers from leaf spot, anthracnose and sooty blotch, which can be sprayed with 70% thiophanate-methyl wettable powder 1000 times solution.
Pests include aphids, red spiders, moths, etc. Spray 10% insecticide emulsion 2000.
6, plastic pruning
Hibiscus branches have strong germination ability, and only timely pruning and shaping can maintain a beautiful tree shape and promote flowering.
The specific method is: when the hibiscus seedlings grow to a height of about 20 cm, they are propped up to promote the germination of the lower axillary buds. In the process of sprouting and forming branches at the base, 3-4 new branches with consistent growth and symmetrical distribution are selected, and the rest axillary buds are erased. After leaving the room in the spring of the following year, 1 re-shearing was carried out, and each branch was kept short 10 cm. After germination, select 2 branches from each branch and cut off other branches. After that, the plants will be pruned 1 time in combination with changing pots every spring to keep the plants full and vigorous. After flowering, in order to control the tree posture is too large, it should also be appropriately cut short. For old plants, 1 pruning can be carried out every 1-2 years, that is, 2-3 buds are left at the base of each branch, and the upper part is cut off. If there is enough water and fertilizer, the newly sprouted branches will grow more vigorously, with more flowers, bigger flowers and brighter colors.
7. Reproduction
Fusang is often propagated by cutting. Select 1-2-year-old robust branches, cut them into 10- 15 cm as cuttings, insert them into coarse sand or vermiculite and perlite matrix, and cover them with plastic film to keep the matrix moist but not moist, and keep the air temperature at 18-25℃ and the relative humidity at 70%-80%.
Is hibiscus poisonous?
Fusang has high medicinal value, and its flowers, leaves and roots can be used as medicine. The leaves are sweet and dry, and have the effect of clearing away heat and toxic materials. The flowers are sweet and cool, and have the functions of clearing lung and moistening throat, resolving phlegm and relieving cough, cooling blood and detoxifying. External application can cure carbuncle, swelling and sore.
Hibiscus contains alkaloids and is toxic, but it is harmless as an ornamental plant. As long as you don't eat, you don't have to worry about poisoning.
Furong Huayu
Fresh love and implicit beauty mean exquisiteness, cleanliness and shyness.
The appearance of hibiscus flower is warm and unrestrained, but it has a unique flower heart, which is formed by connecting most small flowers and wrapping them outside the big flowers. The structure is quite detailed, just like the delicate heart under the warm appearance with subtle beauty. And it is said that indigenous girls put hibiscus flowers above their left ears to show that? Hope to have a lover? Above the right ear? I already have a lover? , as for both sides? Probably? I already have a lover, and I want another one? .
Hibiscus is also known as Zhu Jin, Honghua, Zhu Jin Peony and Fosang. It is an evergreen shrub of Malvaceae. The stem is erect and multi-branched, and the crown is far away, up to 6 meters high. Leaves alternate, broadly ovoid to narrowly ovoid, 7 ~ 10 cm long, 3 main veins, acute or acuminate apex, coarsely serrated or notched leaf margin, nearly entire base, hairless or slightly sparse dorsal veins, like mulberry leaves. Flowers are large, stalks drooping or straight, solitary in the axils of upper leaves, single and double; Single petals are funnel-shaped, usually rose-red, while double petals are not funnel-shaped and are red, yellow, pink and white. Flowering occurs all year round, and it is the most prosperous in summer and autumn.
In Guangdong, Hong Kong and other places, due to dialect reasons, Fusang? With what? The sound of mourning is easy to cause misunderstanding, so try to avoid sending hibiscus flowers when sending flowers. In Guangdong, Hong Kong and other places, due to dialect reasons, Fusang? With what? The sound of mourning is easy to cause misunderstanding, so try to avoid sending hibiscus flowers when sending flowers.
Fusang is loved by people all over the world because of its easy cultivation and long viewing period. Although few people will give each other hibiscus flowers, many people will plant hibiscus flowers themselves. Malaysia in Asia, Sudan in Africa, Fiji in Oceania and Hawaii in North America are all designated as national flowers or state flowers respectively. This shows the position of Fusang in Asia, Africa and other continents.
In addition to watching and giving people away, Fusang is full of treasures. The roots, leaves and flowers of hibiscus can be used as medicine, which has the functions of clearing away heat and toxic materials, diuresis and detumescence. Stem bark fiber is white and tough, which is a good material to make ropes and sacks instead of hemp.