Precautions during Camellia Hydroponics

1. Light, Camellia is a plant that loves light. Just like soil farming, you only need to avoid the summer glare. In other seasons, you need better light.

2, should be added to the water to prepare nutrient solution, in the vegetative growth period, nitrogen and potassium in the vegetative growth period, while the flower bud differentiation period is mainly phosphorus and potassium.

3, do not have to be too diligent to change the water, but each time you change the water, you must rinse the root system to remove the mucus adhering to the root system. The vase for hydroponic culture is cleaned, preferably 800 times potassium permanganate.

4, the water level should not be too deep, about 2 / 3 of the root system can enter the water. If you are changing from soil culture to hydroponic culture, do not put the root into the water. Just add the cobblestone fixed root system to the tray on the upper part of the water bottle to make the water in the bottle rise and moist, and then spray water on the roots and pebbles every day.

5, hydroponic bottles should not be too small, preferably a little deeper. Do not have too much temperature difference in the water temperature of each water change, so that it can be well planted.

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Extraction Kit Magnetics Bead Method

This standard specifies the terms and definitions, classification, technical requirements, test methods, identification, labels and instructions for use, packaging, transportation and storage of nucleic acid extraction kits (magnetic beads method) (hereinafter referred to as "kits"). This standard It is suitable for extracting and purifying human genomic nucleic acid and its fragments from various clinical samples such as serum, plasma, whole blood, cerebrospinal fluid, milk, saliva, urine, sputum, swab, tissue or paraffin-embedded tissue by magnetic bead method , Pathogen nucleic acid kit. Pathogen nucleic acid includes deoxyribonucleic acid (DNA), ribonucleic acid (RNA), etc. This standard does not apply to nucleic acid extraction reagents contained in closed systems that cannot extract nucleic acid extraction products for detection.

This kit uses magnetic beads with unique separation function and a unique buffer system to separate and purify high-quality virus from serum, plasma, lymph, cell-free body fluid, cell culture supernatant, urine or various virus preservation solutions DNA/RNA. The uniquely embedded magnetic beads have a strong affinity for nucleic acids under certain conditions, and when the conditions change, the magnetic beads release the adsorbed nucleic acids, which can achieve the purpose of rapid separation and purification of nucleic acids. The whole process is safe and convenient, and the extracted viral DNA/RNA has high yield, high purity, stable and reliable quality, and is especially suitable for automated extraction of high-throughput workstations. The nucleic acid purified by this kit can be applied to various routine operations, including RT-PCR, fluorescence quantitative PCR and other downstream experiments.

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