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Strelitzia reginae Banks, also known as Bird of Paradise, is a perennial herb of Strelitzia, a native of South Africa. For the market tight cut rare flowers, flower branches are high-grade cut flowers. My garden is one of the first introduced units in China. Strelitzia can be sowed, ramets, tissue culture breeding. Due to lack of provenances (requiring artificial pollination and seeding), long seedling growth (usually requiring more than three years of flowering), and poor seedling quality, seedlings have very different quality. Therefore, birth reproduction is not ideal. Tissue culture propagation method can only use buds as explants, often because the oxidation of browning of the explants is difficult to succeed, and the tissue culture seedlings are prone to mutation, and it is difficult to produce them. The South African literature also introduced the ramets method as the best breeding method. In recent years, we have adopted the ramets method to breed Strelitzia so that the scale of production has steadily expanded. The existing flowering clumps 1/2h square meters, with an annual output of more than 20,000 cut flowers. Now we will introduce the technology of ramets propagation as follows: 1. Mother plants should be selected as mother plants with vigorous tillering, leafless, and disease-free adult plants. The mother plants used for cultivating the ramets in whole plants are generally selected to have more than 4 plants with more than 4 shoots and total leaf number of not less than 16 years. After the ramets were used for potting, there were more plants with rooted tillers. Second, the planting time is planted in the greenhouse, the time is 5-11 months. The optimum time is 5-6 months. Daejeon seedlings are used for potted plants. The suitable time is also from May to June. Third, the ramets method (a) do not retain the ramets of the mother strain method that is the whole plant to dig ramets. This method is applicable to the need to plant seedlings when there is a need for dense seedlings. After several years of cultivation, Strelitzia reginae grows due to over-tight interactions, reduces the amount of flowers produced, and is unventilated and susceptible to pests and diseases. At this point, a part of the plants can be bred as the parent strains, and the difference should be retained or the difference should be retained. Our experience is that we should dig deep into excellent margins and stay poor before strengthening our management. Dig the whole plant from the soil (as much root system as possible), carefully remove the old soil by carefully removing the old soil, and after the gap between the root system and buds and buds can be clearly distinguished, ensure that each small cluster is based on the size of the plant. The seedlings had 2-3 shoots under the premise of reasonable choice of cutting entrance, using a knife to split the mother plant into 2-3 bundles from the gaps in the rhizomes. Minimize root damage to facilitate plant growth. The incision should be adhered to grass ash and dried in a ventilated place for 3-5h. The roots that are too long can be cut short and the incisions can be planted with grass ash. In the process of ramets, it should be noted that the roots of new plants should not be less than 3, and the total number of leaves should not be less than 8-10, and generally 2-3 shoots are required. If too few roots or too few lateral shoots, several strains can be planted together. (2) If the parent strain is planted in the parent strain, if the growth is too prosperous and there is no need for seedlings, the mother plant may not be dug, and the plants on the side of the mother plant may be split into several bundles with a knife in the ground (the method is the same as above). This has less influence on the growth and flowering of the original mother plant. For potting, only a few well-grown lateral plants should be planted from the mother plant. Plants that are potted and lush can be mixed with a pot for propagation. Fourth, the cultivation and management of ramets and seedlings (1) Planting Strelitzia reticulata requires fertile, slightly permeable drainage with slightly acidic sandy loam. Single row planting density is generally 60-80cm wide, 20-30cm high, and 100-120cm. You can also plant 100-120cm wide and double rows. The planting groove is 60cm wide and 50cm deep. Applying basal fertilizer, each 180 square meters of shed is applied with 600kg of fermented soybean cake fertilizer, 40kg of superphosphate, and 1kg of carbofuran combined with cultivator into the soil. Cross-planting in the shape of the selected row spacing. In order to germinate lateral shoots of Strelitzia renifolia in favor of ramets, it should be properly planted in shallow depth. The root shape of Strelitzia reginae should be stretched, and the root system should not be exposed out of bed soil. Overburden soil layering and pouring enough water. After the planting, the sewers should be started in time to ensure that no water is accumulated. The lower leaves of the planting seedlings must be cut in half, the flowering branches should be removed to reduce nutrient consumption, and the survival rate of the seedlings should be increased. (b) Fertilizer Water Management One day after the first week of planting and planting, pour water once and then dry it. If withering phenomenon occurs after planting, water should always be sprayed to the foliage and the surrounding ground in order to increase the humidity of the environment and allow the plants to recover as quickly as possible. Conditional nozzles can be installed to spray water. Fall ramets, watering can not be too much after survival. One month after planting, thin liquid fertilizer (mainly human urine or nitrogen fertilizer) may be applied 1-2 times. Then enter the conventional fertilizer management. (3) Lighting and temperature management After the seedlings are planted, appropriate shading should be applied to the shade nets to prevent the sun from burning too much and damage the leaves. After the restoration of growth, the shade net was removed and managed under full illumination. Fall ramets, should pay attention to insulation. From January to March, a large shed should be pulled, covering 1-2 layers of plastic film. The temperature will increase at noon in March next year, and the greenhouse will be removed in May-May. Potted plants can be managed in greenhouses or greenhouses in winter. (4) Diseases and Insect Pest Control Bleeding is prone to occur in places with poor drainage, and drainage can be prevented. If root rot occurs during the rainy season, it is necessary to spray pesticides in time. The severely ill plants must remove and disinfect the original planting holes. Insect pests mainly include beetles, scale insects, and snails, which can be controlled with the corresponding agents. To sum up, the use of bred division Strelitzia reticulata only pay attention to the treatment of ramets, control of temperature and light, strengthen fertilizer management, prevention and control of pests and diseases, large ramets planted and transplanted in the spring of the year when the fall and winter Some excellent plants with good management will sprout buds; the autumn transplants in the autumn may also bloom in May-June.
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1. Avoid dangerous environment
2. Don`t fall from high state.
3. Keep children away, All visitors should be kept a safe distance from working area.
4. If the insulation is damaged and the wire plug is broken, pls take off the power quickly.
5. Don`t use machine without the protection cover.
6. Don`t overreach. Keep proper footing and balance at all times.
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