Pressure vines cover the main vines in the direction of creeping, dig 30 cm deep ditch, put the vines into the ditch, cultivate the semi-trenchy soil, and then water the ditch, fill the ditch with water until the water penetrates, cover it with straw bags or mats. , so that the vines sprout in the earth and the Soviet Union. After 15 days, new roots can be grown from the half dead roots, and the resurrected branches can be gently raised and placed on shelves.
Covering and covering the soil According to the above method and requirements, the main vine is buried in the ditch, and the soil around the neck of the frozen plant (2 meters before the frame and 1.5 meters behind the frame) is dug deep 40 to 50 cm, and the dead root is cut off. Keep half dead roots, then spread 10 cm thick humus soil, irrigated with water, and then cover the soil to allow it to resume growth.
Shrink the vines to the lightly frozen plants. When they are germinating, cut the long vines for a period of time so as to concentrate the nutrients and restore growth. Shrinking and cutting positions should be followed by timely application of adequate amount of fertilizer, combined with loose soil, increase soil temperature and air permeability, and promote new root growth. From the top to the bottom, the dendrite gradually shrinks and shrinks. To cut off the cold-damaged shoots, loosen the tree disk, increase the decomposed organic fertilizer, and water it in proper amount. As the temperature rises, it can gradually resurrect.
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Automatic Nucleic Acid Extractor
Nucleic acid extraction instrument is an instrument that automatically completes the nucleic acid extraction of samples by applying the supporting nucleic acid extraction reagents. Widely used in disease control centers, clinical disease diagnosis, blood transfusion safety, forensic identification, environmental microbial testing, food safety testing, animal husbandry and molecular biology research and other fields.
Using magnetic beads as the carrier, using the principle that magnetic beads adsorb nucleic acid under high salt and low pH value, and separate from nucleic acid under low salt and high pH value, and then move the magnetic beads or transfer the liquid to realize the entire extraction and purification process of nucleic acid. Due to the uniqueness of its principle, it can be designed into a variety of throughputs, which can be extracted from a single tube or 8-96 samples, and its operation is simple and fast. It only takes 30-45 minutes to extract 96 samples, which greatly improves the The experimental efficiency is low and the cost is low, so it can be used in different laboratories, and it is the mainstream instrument on the market.
Features of Magnetic Bead Nucleic Acid Extractor
1. Enables automated, high-throughput operations.
2. Simple and fast operation.
3. Safety and environmental protection.
4. High purity and high yield.
5. No pollution and stable results.
6. Low cost and easy to be widely used.
7. Different types of samples can be processed simultaneously.
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