Phalaenopsis, flowers on the other side, water lilies, orchids, osmanthus, plum blossoms, roses and dragon balls, how to raise these flowers?

Do you have a mailbox? There are many planting methods. I may not be able to plant them all, but I have to maintain them after planting them. You are so pampered that you spend a lot of money at sixes and sevens.

Planting: Phalaenopsis-there are five growth stages from bottle seedlings to flowering sales: bottle seedlings, small seedlings, medium seedlings, large seedlings and flowering period. The main points of cultivation management are as follows. First, early management. In the growth stage of bottle seedlings, the optimum growth temperature is 25℃-28℃ during the day and 18℃-20℃ at night. The optimum temperature for seedling growth is 23℃. When the temperature is higher than 35℃ or lower than 10℃, the growth stops. The temperature of fresh seedlings should be lower than 20℃, the relative humidity of air should be kept at 70-80%, and the illumination should be controlled below 1000 lux. After a transitional period, the light gradually increased to 10000 lux and finally reached 15000 lux. Fertilizer and water management plays an important role in seedling growth stage. Tissue culture seedlings should not be fertilized and watered within 3-5 days after leaving the bottle, and should be disinfected immediately. You can use carbendazim 1000 times liquid to sterilize the leaves, and spray rooting powder once every other day and three times. After a transition period of 3-5 days, apply fertilizer for the first time 1 time, and spray 10 times of Huaduoduo No.65438 (the ratio of nitrogen, phosphorus and potassium is 30: 10), depending on the water moss. Spraying Huaduoduo 1 0 (30: 10:10) 2500 times of liquid foliar fertilizer every1day. 1 week, the seedlings were fertilized for the second time according to the dry and wet conditions. The principle of fertilization at this time is high nitrogen, low phosphorus and low potassium. After 4 months of cultivation, the seedlings grow into medium seedlings, and the pots should be changed at this time. The tightness of aquatic plants is based on the tightness of muscles under the palm, which can be large or small, but the standards must be unified. The management of the middle seedling stage is basically similar to that of the seedling stage, but the light can be increased to 20 thousand lux. Alternately use Huaduoduo No.8 and 1 (the ratio of nitrogen, phosphorus and potassium is 20: 10:20 and 20:20:20 respectively) for fertilization. Pay attention to the trend and growth of new leaves in the middle stage of seedling stage, generally place them in the east-west direction and turn the leaves regularly. At this time, the principle of fertilization is low nitrogen, high phosphorus and high potassium. After 4-6 months of cultivation, the middle seedlings enter the big seedling stage. The management method is the same as that of medium seedlings, but the fertilization method is 1 (the ratio of nitrogen, phosphorus and potassium is 20:20:20). Second, late management. Flowering period is the management of late growth period. The flowering of Phalaenopsis is caused by low temperature, so besides careful management, the temperature should be controlled well. First, the temperature was kept above 20℃ for 2 months, then the night temperature was reduced to below 65438 08℃, and flower buds were formed after 45 days. After the flower bud is formed, the temperature is kept at 18-20℃ at night and at 25-28℃ during the day. It can bloom after 3-4 months, and the flowering temperature is slightly reduced, but not lower than 15℃. After the flower bud is elongated, the column must be erected, that is, before the flower stem is elongated but not lodging, the flower stem is tied to the column, leaving room for the flower stem to be elongated and thickened. Water and fertilizer management at flowering stage is particularly important. Watering should be done at 10 in the morning, so as to avoid sprinkling water directly on the flowers. After watering, ventilate with an exhaust fan to keep the air in the shed fresh and make the residual moisture dissipate as soon as possible. At this time, the best fertilization scheme is Huaduoduo 2 (the ratio of nitrogen, phosphorus and potassium is 10:30:20) 1000 times, depending on the situation of Phalaenopsis. Phalaenopsis is prone to soft rot and gray spot disease. Soft rot is highly contagious. Once found, isolate the diseased plants immediately. The diseased strain can be controlled by manganese zinc sulfate or good organisms. Usually 15 days sterilization 1 time.

Flowers on the other side-can be planted in the open air, potted in greenhouse, framed or hydroponic.

The potted plants on the other side prefer scattered light to strong light, so the light should not be too strong. Flowers on the other side usually have no requirements for soil. But after all, it is a southern flower, so the soil should be acidic, sandy and breathable. There are long things on the ground all year round, with leaves but no flowers and flowers without leaves. Lycoris radiata has strong adaptability, bulbs are dormant, and potted plants are needed in the north. Lycoris planted at the end of May should also be able to blossom. Suitable time for cultivation in the north: spring (April-May) is suitable for planting. Most varieties like warm climate, the highest temperature is less than 30℃, and the average temperature in ten days is 24℃, which is suitable for the growth of Lycoris radiata. After sowing 10, the roots grew vigorously and the leaves broke out one after another. The average daily temperature in winter is above 8℃, and the lowest temperature is 65438 0℃, which does not affect the growth of Lycoris radiata.

During cultivation, the bulbs around the main ball are peeled off and propagated. Trim the stubble of the cue ball, sun it for two days, and then plant it when the wound is dry. When covering the soil, the top of the ball should be exposed to the soil surface. Potted plants are big balls (more than 7 cm in diameter) that can bloom after growing for 3 years. They can be a ball in the pot or 3-4 balls in the cauldron. It should be planted shallowly so that 1/3- 1/2 of the ball lives on the soil surface. Water the flowerpot 1 time to make the soil slightly wet. Don't water until the new leaves grow. Apply liquid fertilizer 1 time every half month. When the leaves thicken and mature in autumn, you can stop watering them. After germination, turn over the pot or change the pot soil in February-March. The culture soil can be made by mixing 2 parts of peat, 2 parts of garden soil and 1 part of perlite with a small amount of base fertilizer. Water less in the dormant period in summer, and often keep the basin moist in spring and autumn. In the growing season, topdressing 1 time pancake fertilizer every half month. Lycoris radiata likes semi-shade, avoiding direct sunlight in summer, keeping semi-shade in spring and autumn, strictly controlling watering and stopping fertilization during wintering. Fourth, post-flowering treatment and pest control Lycoris radiata should be cut off after flowering to reduce the loss of nutrients. The management of Lycoris radiata is extensive, and the common diseases are anthracnose and bacterial soft rot. Before planting, soak bulbs in 0.3% copper sulfate solution for 30 minutes, rinse with water, and dry before planting. Spraying 50% carbendazim wettable powder with 500 times solution every half month. At the initial stage of the disease, 50% diphenhydramine was sprayed with 2500 times solution. Cultivation environment requirements: the planting depth should not be too deep, and it is better to just bury the top of the bulb in the soil. For sandy soil with good drainage, loose cultivated soil and acid soil, appropriate base fertilizer should be applied when planting, and irrigation should be given after planting; Irrigation should be done frequently during the vegetative growth period to keep the soil moist, but no water should be accumulated to prevent bulbs from rotting. Adequate water supply must be provided from 20 days before flowering to flowering to achieve neat and consistent flowering and easy to maintain flowers. Common pests 1 and Nocturnal Spodoptera litura mainly damage leaves, flower buds and fruits, eat mesophyll, eat flowers and seeds, and generally do harm from late spring to 1 1 month. Using 5% Regent suspending agent 2500 times, Wanling 1000 times can control it. 2. Lycoris radiata is a plant invaded by its larvae. Usually, its leaves are hollow and it can directly eat the inside of the bulb. A large number of green or brown fecal particles usually remain in the affected area. Always pay attention to the back of the leaves, whether there are neatly arranged eggs. If found, please remove it immediately. In terms of prevention and control, winter pupae can be dug up by turning over the land in winter or early spring to reduce the population base; When it happens, spraying 1500 times or 800 times phoxim EC, and spraying it when the larvae come out in the morning and evening, has a good control effect. 3. Thrips are red all over the body, mainly absorbing nutrients at the hairy leaves of bulbs, which makes the leaves lose their green color, especially when the fruits are ripe. It can be controlled by alternately spraying 25% imidacloprid 3000 times solution and 70% mirex 6000- 10000 times solution. 4. After grubs are found, drugs such as phoxim or trichlorfon should be used in time for control.

Water lilies-can be planted in flowerpots or ponds. For pond planting, the water in the pond should be drained in early spring. After applying base fertilizer, new pond mud should be added and then irrigated. Irrigation should be carried out in several times. With the growth of new leaves, the water depth of flowering period can be kept at 70 ~ 80 cm. In winter, more water should be injected, and the water depth should be kept above 1 10cm, which can make the rhizome overwinter safely. The flowerpot selected for potted plants should have an inner diameter of at least 40cm× 60cm and a depth of at least 40cm× 60cm. Before and after the vernal equinox every year, it is necessary to turn over the pots and change the mud, and add rotten bean cake residue or fertilizer rich in phosphorus and potassium such as bone meal and hoof pieces to the bottom of the pot as the base fertilizer. The lower part of the rhizome should be padded with fertile river mud with a thickness of at least 30cm, covered with soil until the terminal buds can't reach, and then put into a pool or sink to keep the water depth at 40-50 cm. In hot season, the water layer should be kept clean, and the water should be changed for a long time to prevent the growth of algae from affecting the viewing. After flowering, the stubble should be removed in time and topdressing should be done as appropriate. Indoor potted plants should be moved into cold rooms or the bottom of deep water in winter. Sufficient light should be given during the growth period, and it is not advisable to keep it in the shade for a long time.

Pot plants around the vernal equinox every year, put rotten bean cakes or bone meal, hoof pieces and other fertilizers at the bottom of the pot, and put fertile river mud above 30 cm. Then plant the roots with buds in the river mud, cover them with soil without terminal buds, add sand and pebbles one centimeter thick, and then add water to the basin or jar. Change water in time in hot season to avoid algae. Tropical water lilies must be planted upright. The covering sand shall not exceed the terminal bud.

The pond was planted in early spring and the water drained. After applying base fertilizer, add new pond mud and water enough for planting. In winter, the irrigation depth should be kept above 1. 1 m, which can make the rhizome overwinter safely. Water lily is a kind of water surface greening material with flowers and leaves, which can decorate fountains, courtyards and so on. It brings coolness to people in hot summer and has the function of purifying water in sewage treatment. At present, it has been popularized in many places and is a rare beautification and purification plant. Pay attention to the planting angle of rhizome. Tropical water lilies should be placed vertically, and cold-resistant water lilies should be placed horizontally (except meridian)

Orchid-Orchid bonsai photo album (18 photos) Orchids should be separated, not too piecemeal, with at least 3-5 seedlings in each cluster. It is best to put annual plants, biennial plants plants and triennial plants in the same cluster. Tile the bottom of the basin, and then gradually fill it with bricks, tiles or shells, in which the larger gaps are filled with mud particles or bean stones, which are generally about 1/2~ 1/3 of the height in the basin. The rest of the clear height is about 10~ 15 cm, which is reserved as a culture soil layer. Its specific height depends on the kind of orchid, the length of orchid root and the height of flowerpot. Don't fill the bedding too tightly, leave some holes. Practice has proved that some new roots can grow well in the pores of the cushion. Planting on the cushion, first fill in 2~3 cm of culture soil, then slightly compact it by hand, and then put the orchid upright on it. Depending on the size of plants and flowerpots, several plants, 2 clusters, 3 clusters or more can be planted in a flowerpot. Three clumps should be planted as tripods. Four clusters can be planted in a square shape, and five clusters should be arranged in a plum blossom shape. The roots should be stretched naturally and the leaves should be brushed in all directions. Slowly put the orchid root into the basin, let the orchid root stretch naturally, and try not to rub the inner wall of the basin. After the orchid plant enters the pot, the posture of the orchid plant is gradually fixed. -A bunch of potted plants should tilt the old pseudobulb to one side to allow room for new buds to develop. There are several clusters of plants in a pot, and each cluster of old pseudobulb should be relatively concentrated in the middle of the pot, so that there is enough space for new roots and buds to develop outward. When planting with filling soil, hold the leaves with one hand and add nutrient soil with the other hand, hold the base of the orchid plant and lift it slightly to stretch the root system and shake the orchid pot at the same time. Let the culture soil go deep into the rhizosphere; Continue to add soil, shake the orchid basin and adjust the position and height of the orchid plant. Press along the edge of the basin with your hands, but don't hurt your roots too much. Continue to add soil until the soil on the surface of the basin is 2~3 cm higher than the mouth of the basin, slightly like steamed bread. Culture soil should cover the roots of all orchids up to the base of pseudobulb and the depth of the fill. Traditionally, it is considered that the orchid should be shallow and deep, but the leaf base on the pseudobulb should not be buried. When new orchids grow in Shan Ye, there are obvious signs on the plants, which can be used as standards. The size of the flowerpot should also be commensurate with the size and number of orchids in the plant. It should not be big and small, nor should it be small and big. Generally speaking, the number of plants is based on the principle that the flowerpot is just full in 2~3 years. The size of plants is commensurate with the height of the basin. It is not only conducive to growth, but also meets the requirements of viewing. After paving, a layer of pebbles or moss can be paved on the surface of the pot soil, preferably high-quality moss under the forest, which is beautiful and can adjust the moisture, and can also protect the leaves from muddy water pollution, and the new buds will not infect the germs in the soil and rot the heart; In addition, it can also slow down the erosion of the basin soil by rain and keep the basin soil loose. After watering and planting is completed, water should be poured for the first time, and the basin soil must be soaked thoroughly, and the water drops should be small to avoid impulsiveness. If you put it in a basin, you must not soak it for too long. Once the soil in the basin is soaked, remove the basin immediately and then put it in the shade for maintenance. With the continuous development of orchid tissue culture technology and aseptic seeding technology, the phenomenon of orchid in vitro flowering has attracted more and more attention. This phenomenon has attracted the attention of breeders, mainly because the artificial hybrid new varieties that used to need conventional cultivation for many years can now artificially promote flowering in test tubes through 1~2 culture cycles, so that individuals with good traits can be selected purposefully according to the flowering situation and relatively poor individuals can be eliminated, thus shortening the whole breeding cycle, greatly reducing the workload of cultivating a large number of non-flowering varieties and making the breeding work more targeted. Because we have long been engaged in the development and research of several conventionally cultivated orchids, the orchids mentioned below all refer to these orchids, including cymbidium, cymbidium, spring sword, lotus petals, cymbidium and cymbidium. According to the current observation results, the ways of orchid flowering in vitro can be roughly divided into three types. The first is that the axillary buds of orchid seedlings develop into flower buds, which is the same as that of orchids in conventional cultivation, except that conventional cultivation is a cluster of seedlings, and only one seedling blooms in test tubes. This situation is more common in Cymbidium hybridum, but it is rare in Chunlan Chunjian and other varieties. The second is that the terminal bud of orchid grows from Dendrobium to flower bud, which is similar to the arrow in the grass (arrow in the grass), and the flower grows from the center of orchid. This situation is found in all orchid varieties, especially Chunlan. The third is that the flower buds are directly differentiated from the top of protocorm, which is completely controlled by the hormone level in the culture medium, and the flowering is rapid and orderly, with high differentiation frequency, which is the main method to induce flowering at present. The basic characteristics of orchids in test tubes will not change, for example, vegetarian varieties will never produce colorful flowers. All fragrant varieties, flowers in test tubes are also fragrant, and the fragrance is as rich as potted orchids, which may be unexpected by many people. Due to the temperature and other environmental conditions in the test tube, the flowering period is usually only a few days, unlike potted orchids. At low temperature, the flowering period can be greatly prolonged. The proportion of abnormal flowers in test tubes of orchids is high, and some varieties can reach 10~20%. Generally speaking, these deformed flowers are usually caused by physiological reasons and external culture conditions, such as hormone levels, inorganic salts and other physical and chemical factors, rather than genetic changes, so the appearance of these deformed flowers is meaningless in genetic breeding. We followed and observed many exotic flower strains, hoping to select new fine varieties from them. As a result, most of them developed normally and blossomed, and few of them were really stable. A very useful phenomenon for orchid breeders is that in most cases, the flowers in test tubes can develop normally and have normal pollination and fruiting ability. We observed the development process of microspores under the microscope and found that the process of meiosis and the formation of pollen grains were basically normal. Especially for flowers that bloom in the form of axillary buds, the fruits produced after pollination are easy to develop normally until the seeds are mature. The seeds produced in these test tubes have certain germination ability, although the germination rate is lower than that of potted orchids, it is enough for breeders. With the continuous improvement of technical level, people's ability to control the flowering of test-tube orchids is getting stronger and stronger, which will undoubtedly have a positive and far-reaching impact on orchid hybrid breeding. Because the main appreciation point of orchids is floral art, it is difficult to judge an unknown variety from its leaves before flowering, so breeders should not only choose suitable excellent parents to cross and cultivate seedlings, but also plant these seedlings in the greenhouse, whether good or bad, and wait for several years until flowering, and select excellent individual plants from them. The workload of this process is very heavy. Even if excellent plants are obtained, unfortunately, the number of each plant is very small, usually only a few seedlings, which can not meet the market demand at all. It is necessary to take this excellent single plant as explant and carry out tissue culture from scratch. From the beginning of hybridization to the final supply of commercial seedlings to the market, this process goes through two tissue culture cycles, and the two culture cycles from bottle seedlings to flowering usually take more than ten years. With the improvement of in vitro flowering technology, we can screen out excellent strains in vitro without going through the culture process. Once selected, we can directly carry out rapid propagation without the induction process of protocorms, and the whole propagation cycle is nearly doubled. Another convenience brought by the flowering of test-tube orchids is that orchids in bottles can be hybridized, which is a brand-new application research field. In some breeding work, it is necessary to cross, backcross and self-cross repeatedly to achieve the purpose of breeding and select excellent new varieties. For example, if Suxin variety crosses plum blossom petal variety, the first generation is usually plum blossom petal but definitely not Suxin, which requires the first generation to backcross with Suxin's parents once, or the first generation to self-cross once, and then choose Suxin plum flower petal from the second generation. Using conventional methods, this process will definitely take more than ten years. Now there is a method to promote orchid flowering in vitro, which can make offspring bloom in vitro, self-pollinate or cross-pollinate in vitro and cultivate seeds. Sow these seeds directly on the culture medium without disinfection to obtain the second generation, and then induce flowering, so that the required varieties can be selected from the second generation. Compared with conventional methods, this method can save at least two culture cycles from bottle seedling to flowering. In addition, because the flowering in the test tube is not limited by seasons, it can be induced at any time, which provides great convenience for the hybridization of orchid varieties that bloom in different seasons or those that do not meet the flowering time. In other words, orchids that bloom in test tubes provide a stable source of pollen for cross breeding. According to this idea, we got rid of the limitation of flowering season and the number of provenances to a great extent (some varieties with a small number may have to wait for many years to see a flower, or there may be no suitable other parent materials to bloom at the same time), and successfully achieved the hybridization between orchid varieties that bloom in different seasons. At present, the research work on orchids is still in its infancy, and there are still many unsatisfactory places. Not every variety can induce flowering, not every variety can achieve the required flowering rate, and there is no ready-made program for all varieties to blossom. Each variety needs a lot of experiments and exploration. But these are basically technical problems. It is believed that with the progress of technology and more people of insight participating in the research and development in this field, these problems will be gradually solved.

Plum blossoms-in gardens, green spaces, courtyards and scenic spots, they can be planted alone, in clusters, in groups, etc. It can also be planted naturally in front of houses, on slopes, between rocks and on roadsides. If evergreen trees or dark buildings are used as the background, the beauty of plum blossoms can be set off. Such as pine, bamboo and plum, with pine as the background, bamboo as the guest scene and plum as the main scene. In ancient times, it was emphasized that "plum blossoms around the house" and "going upstairs to see plum blossoms" were all for the best viewing effect. In addition, plum blossoms can be arranged into Meiling, Mei Feng, Meiyuan, Meixi, Meijing and Meiwu. Plum blossom is pure and elegant, and it is an important ornamental flower in winter and spring. It can be planted in pieces, and can also be used as bonsai and cut flowers to beautify the environment such as the courtyard. Plums can be eaten raw to quench thirst, and can also be made into candied fruit such as preserved plum and dried plum, plum sauce and sauce. Fruit as medicine has antipyretic, antitussive, anthelmintic and dysentery relieving effects; Flowers and roots can be used as medicine, promoting blood circulation and detoxification, benefiting lung and resolving phlegm. In addition, fruits and bark can also be used to make dyes; The trunk is an important material for handicraft carving because of its excellent material and delicate texture.

form

The plant height is about 5- 10 meter, and the trunk is brownish purple with multiple longitudinal edges. Branchlets are green. Leaf blade broadly ovate to ovate, margin serrate. Each flower 1 ~ 2 double plum blossoms. The file extension of encoded image stored in jpeg file exchange format.

Flowers, sessile or short-stalked, the original species is pale pink or white, and the cultivated varieties are purple, red, spotted to yellowish, and bloom in early spring. Plum blossoms can be divided into departments, classes and types. Such as real plum, apricot, cherry plum, etc. Classification under the system, classification under the hierarchy. Plum blossoms are small deciduous trees, with grayish brown trunks, slender green hairless branchlets, oval or round leaves, fine teeth on the leaf margin, and flower buds planted in the axils of long branches, with 65,438+0 ~ 2 flowers per node, fragrant, 5 petals, white to pink, double petals. Plum blossom is a small deciduous tree with a height of 10 m, often spiny branches and irregular crown. Branches are brownish purple, with multiple longitudinal lines, and branchlets are green or with green as the background color, without hair. Drupe is nearly spherical, grooved, about 1 ~ 3 cm in diameter, densely pubescent, acid green, yellow or yellow-green when the fruit matures from April to June, and some varieties are red-green. Acid, edible, can be used to make dried plums, plum sauce, preserved plums, sour plum soup, plum wine and so on. , and can also be used as medicine. Mei Huajiu is very popular in Japan and South Korea. It tastes sweet and has the effect of smoothing qi, so it is an excellent fruit wine. Plum is a very popular food in China. Plums are made by pickling plums with sugar, salt and licorice and then drying them in the sun. Plums can also be used to make bitter or sweet and other foods. Plum blossom can be divided into true plum, apricot plum, cherry plum, etc., with 1 ~ 2 flowers per node, sessile or short stalk, diameter of 1 ~ 3 cm, bell-shaped calyx tube, pubescent and oval lobes; Petals, the original species is pale pink or white, and the cultivated varieties are purple, red, mottled to light yellow; Stamens are numerous, pistils are free, ovaries are densely pilose, rarely 2-5 (centrifugal skin) or none, ovaries are superior and styles are long. There are more than 300 varieties of plum blossoms. Plum varieties suitable for viewing include Dahongmei, Taigemei, Zhao, Green Sepals and Longyoumei. Most ornamental plum blossoms are white, pink, red, purple and light green. 65438+February in Southwest China to 65438+1October in the following year, February-March in Central China and March-April in North China. 4~7 days from initial flowering to full flowering, and the last flowering 15~20 days. Plum blossom is a long-lived flower, even if it is potted at home, it can often last for more than ten years. There is a plum blossom planted in Jin Dynasty in Huangmei County, Hubei Province, which is still fragrant. Although plum blossoms have low requirements for soil, it is best to have loose and fertile soil and good drainage. Seedlings can be cultivated in garden soil or humus soil. Plum blossoms are sensitive to moisture. Although they like moisture, they are afraid of waterlogging. If the basin soil is too wet for a long time, it will lead to deciduous and yellow leaves. Plum blossoms don't like big fat, so they only need to apply a small amount of thin fat water during the growth period. Plum blossoms can withstand the temperature of-15 degrees. Prunus mume is mainly propagated by grafting, and sowing, layering and cutting can also be used. Rootstocks are mainly li miao or apricot and peach. Plum blossom is usually not easy to get sick, but there are also some diseases, such as perforation, anthracnose, powdery mildew, dead branch gummosis, dry rot gummosis and so on. Aphids often harm plum blossoms. However, dimethoate is not suitable for killing insects, which will cause phytotoxicity to plum blossoms and lead to defoliation. In addition, there is a kind of plum blossom bonsai called plum blossom pile.

Rose-1. Planting is mainly in the ground, and there are also a few potted plants. In the Yellow River basin and its south area, it can be planted in the open air and overwinter in the open air. In the cold northern region, potted plants should be used indoors for wintering, or ditches should be dug and pots buried for wintering. After defoliation in autumn, it can be planted before germination in spring. It should be planted in a place with high terrain, abundant sunshine and no stagnant water, and the depth is off the ground 15 cm. When potted, humus soil, garden soil and river sand are mixed to cultivate soil, and a proper amount of decomposed manure or cake fertilizer and compound fertilizer are added into the well. After planting, water 1 time, put the seedlings in the shade for a few days and then move them to the sun for culture. 2. Sunshine with sufficient light and temperature can promote good growth. Ground planting and potted plants should be placed in sunny places and receive more than 4 hours of direct sunlight every day. Can not be placed in a place with insufficient indoor light for a long time. Enter the room in winter and put it in a sunny place. The suitable growth temperature is 12-28℃, and it can withstand the low temperature of -20℃. It is safe to overwinter in Zhengzhou. 3. Water and fertilize before planting, apply proper amount of organic fertilizer in the tree hole, and then water after planting. The requirement of water and fertilizer for ground-planted roses is not strict, and generally it can be fertilized three times. First, apply fertilizer before flowering, and put it into furrow before spring buds shade. It is best to add decomposed manure and humus. The second is to apply fertilizer after flowering, and apply decomposed cake fertilizer residue after flowering to supplement the nutrients consumed by flowering. Third, fertilizing for the winter, and applying human manure after defoliation to ensure the safe wintering of roses. Potted roses can be applied with dilute fertilizer water in cattle for a long time, 10- 15 days 1 time. Roses are drought tolerant. Generally, plants are not watered at ordinary times, and they are watered for 20-30 days in hot summer or spring drought 1 time. Potted plants are watered for two days 1 time, and hot summer or spring drought 1 time. 4. Generally, pruning is not needed for plastic pruning. Old plants can prune dense branches, dead branches and insect branches. Roses bloom, if they fail, pick them and then bloom, otherwise they will only bloom 1 time. 5. Generally, the natural flowering period is better to control the flowering period.

Dragon ball is an ornamental plant cultivated in Hypericum perforatum, and its products are cut branches with fruits. Commercial varieties used in flower industry mainly come from two species. They have big fruits and rich colors, including red, orange and brown.

The plant height of the Fire Dragon Stadium is 1~ 1.3 meters. Large-scale planting requires rain-proof facilities and drip irrigation technology. The soil drainage is required to be good, and the suitable range of EC value is1.2 ~1.5; The soil should be disinfected with chemicals to prevent the occurrence and harm of root-knot nematode disease. Cutting seedlings are used for production and planting, the planting density is 15~20 plants per square meter, and the width of planting bed is 1 meter. Plant spacing is 30cm, plant spacing is 20cm, and there are 2 drip irrigation belts per border. The optimum production temperature is 15~25℃. When the plant grows to 30~40 cm, leave four nodes for topping. It takes 3 to 4 months from pruning to flowering, up to 7 months. 30~40 cm stubble is left at the lower part during harvesting. About 30~50 branches can be harvested per square meter. Attention should be paid to the hazards of rust, nematodes, whiteflies, aphids, thrips and Noctuidae in production.

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