1. Precautions when choosing anthurium potted flowers Anthurium is a kind of mid-to-high-end viewing potted flowers that everyone likes to see. When buying anthurium potted flowers, it is recommended to go to the flower wholesale market to buy them. On the one hand, the quantity is abundant and the choice is large, at least it can be "one out of a hundred"; on the other hand, the price is relatively moderate.
1. Blade requirements. In general, choose plants that are compact, evenly distributed, and do not have partial crowns. The flowers should be higher than the leaves, and the layers should be distinct. The blades must not be mechanically wounded or damaged.
2. Flower openness. The number of flowers per plant needs to be more than 5, of which 3 to 4 are opening, and 1 to 2 buds are better. The buds should not be mechanically injured or damaged. When selecting, it is better to choose a single plant with bright color of buddha buds and white flesh at the top and yellowing at the top.
3. Variety type. It is better to choose the most popular "Trenza" in the past two years. The leaves of this species are firm, evenly distributed, and well-developed protective tissues. The buddha buds are huge, the flowers are brightly colored, and the flowers and leaves are distinct.
2. Combination Potted Technology Essentials After the combination cultivation of Anthurium andraeanum, unexpected sensory effects can be obtained, which will give people a refreshing feeling. When combining potted plants, it is recommended that three plants be planted together. The pots are selected according to personal preference.
1. Requirements for cultivation substrates. Since Anthurium andraeanum is a typical fleshy root system, it has extremely high requirements for the permeability of the cultivation substrate. The proper choice of substrate is the basis for determining the growth of anthurium and the length of the viewing period during domestic raising. Therefore, for the filling substrate required for co-cultivation, it is recommended to choose the special cultivation peat soil of Danish Toppin or Germany Kleisman brand, and avoid using peat soil, humus soil or garden. Soil and other substrates with poor permeability, water retention and fertility retention.
2. Properly fix the flower stems. By artificially fixing the flower stems, all flower stems in the combined potted plant can be distributed, well-arranged, and layered, which can improve the appearance quality and receive unexpected ornamental effects. The fixed arrow used can be purchased for the fixed butterfly orchid sword, and the length should be 60-80cm.
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The generic name of VTM Virus Sampling Tube is a single-use virus sampling tube, which is generally used for the detection and sampling of infectious pathogenic microorganisms in disease control departments and clinical departments. It is suitable for detection and sampling of influenza viruses (including general influenza, highly pathogenic viruses, H1N1 influenza virus, etc.), hand, foot and mouth virus, new coronavirus, measles and rubella and other types of viruses. VTM virus sampling tube can also be used for detection and sampling of Mycoplasma, Chlamydia and Ureaplasma urealyticum.
The virus and related samples in the VTM virus sampling tube should be stored and transported within 48 hours in a refrigerated state (2-8°C). Viruses and related samples can be stored for a long time in -80℃ environment or liquid nitrogen environment. The virus can maintain the activity of the virus in a lower temperature range, reduce the speed of virus decomposition, and improve the positive rate of virus isolation.
The VTM virus sampling tube is generally equipped with a disposable flocking swab. From the appearance point of view, the flocking swab is white and soft. Using this soft brush during the sampling process will make the user feel no foreign body, and it is suitable for different Partial sampling person. Moreover, the flocking swab is designed with a breaking point that conforms to the length of the sampling tube and the natural orifice of the human body, which is not only convenient for sampling but also convenient for transportation of the specimen.
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